Questions Asked on
September 20, 2010

  1. Business

    Thomas Kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. Thomas’s fastest moving inventory item has a demand of 6000 units per year. The cost of each unit is $100.00, and the

    asked by Jackson
  2. physics

    The two angled ropes used to support the crate in the figure below an withstand a maximum tension of 1300 N before they break. The left angle is 30dregres, and the right angle is 45degrees. What is the largest mass the ropes can support? m=?

    asked by andrea
  3. Chemistry

    The heat of fusion of water is 6.01 kJ/mol. The heat capacity of liquid water is 75.3 J/mol • K. The conversion of 50.0 g of ice at 0.00°C to liquid water at 22.0°C requires how much kJ of heat? Can someone explain how to do this, I tried but keep

    asked by Anonymous
  4. Grade 9 science: ecology

    What chemical process(es) do producers and consumers share? What chemical process(es) do they not share?

    asked by Rebecca.
  5. chemistry

    A sugar crystal contains approximately 1.7×10^17 sucrose (C12H22O11) molecules What is its mass in mg?

    asked by Mely
  6. Chemistry

    A KCl solution containing 42g of KCl per 100.0 g of water is cooled from 60 C to 0 C . What will happen during cooling?

    asked by Johannie
  7. 10th grade

    Evaluate u + xy, for u = 18, x = 10, and y = 8. a. 188 b. 224 c. 98 d. 36

    asked by Denis
  8. math

    Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle mesures , and perimeter of the image compare to those of the original? a. 200% b.150% c.50% d.75%

    asked by sabrina
  9. Chemistry

    A KCl solution containing 42g of KCl per 100.0 g of water is cooled from 60 C to 0 C . What will happen during cooling?

    asked by Johannie
  10. Science

    When a net torque is applied to a rigid object it always produces a 1. constant acceleration 2. rotational equilibrium 3. constant angular velocity 4. constant angular momentum 5. change in angular velocity

    asked by Franco Krause
  11. college physics

    A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.2 cm from the center of the disk, what are the revolutions per minute (rpms) of the disk? Can someone please help me solve this problem

    asked by Amber
  12. icp

    Charge q is 1 unit of distance away from the source charge S. Charge p is six times further away. The force exerted between S and q is _____ the force exerted between S and p.

    asked by j
  13. Chemistry

    A KCl solution containing 42g of KCl per 100.0 g of water is cooled from 60 C to 0 C . What will happen during cooling?

    asked by Johannie
  14. Physics

    A soft drink can contains about 0.20 kg of liquid at 5 oC. Drinking this liquid can actually consume some of the fat in the body, since energy is needed to warm the water to body temperature (37 oC). How many kcal should the drink have so that it is in

    asked by Eric
  15. physics

    An old-fashioned single-play vinyl record rotates on a turntable at 46.0 rpm. What are (a) the angular velocity in rad/s and (b) the period of the motion?

    asked by madiha
  16. Physics

    A horizontal force of 100 N pushes a 12kg block up a frictionless incline that makes an angle 25degrees with the horizontal. What is the normal force that the incline exerts on the block and what is the acceleration of the block? I found part (a) which is

    asked by Anonymous
  17. energy conversion

    A 5hp 230volt shunt motor takes 18 amp when operating at full load. The Shunt-field resistance is 115ohms and the armature resistance is 0.25 ohm. calculate the value of the starter resistor if the armature current is limited to 1.5 times the rated value

    asked by baskuuugin
  18. Chemistry

    When ammonium chloride is dissolved in water, the solution becomes colder. What can you say about the relative magnitudes of the lattice energy of ammonium chloride and its heat of hydration? Why does the solution form? What drives the process?

    asked by Samantha
  19. Physics

    Without glasses, your uncle Albert can see things clearly only if they are between 25.1 cm and 190 cm from his eyes. What power eyeglass lens will correct your uncle's myopia? Assume the lenses will sit 1.70 cm from his eyes. Give answer in diopters. Do

    asked by Rudi
  20. Physics

    Baseball player A bunts the ball by hitting it in such a way that it acquires an initial velocity of 1.3 m/s parallel to the ground. Upon contact with the bat, the ball is 1 m above the ground. Payer B wishes to duplicate this bunt, in so far as he also

    asked by Jerry
  21. chemistry

    what is the mass of 1.22x10^23 molcules of carbon dioxide(co2) and silicon dioxide(Sio2)?

    asked by Katie
  22. college

    A baseball pitcher throws a baseball with a speed of 38 . In throwing the baseball, the pitcher accelerates the ball through a displacement of about 3.5 , from behind the body to the point where it is released Estimate the average acceleration of the ball

    asked by Anonymous
  23. chemistry

    What mass of protons would be required to just neutralize the charge of 2.7 g of electrons?

    asked by blahh
  24. chemistry

    Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. nitroglycerin (used medically as a vasodilator to treat heart conditions): C 15.87% H 2.22% N 18.50% O 63.41%. Express your answer

    asked by Mely
  25. CHEM

    H2Te CH3CHO CH3CN H2Se polar or nonpolar? Also, anyone know any sites that show pics of the shape of molecules?

    asked by RICHY
  26. algebra

    1. Solve 3x – 19 = 2 Ax = -17 Bx = -17/3 Cx = 7 Dx = -51 Ex = 20 Fx = 18 2. Solve 4x + 12x = 62 + 4(11) Ax = 7 Bx = 5 Cx = 35 Dx = 64 Ex = 11 Fx = 7/2 3. Solve 8x – 7 = x + 10 Ano solution Bx = 1/3 Cx = 1/10 Dx = 3/7 Ex = 17/7 Fx = 17/9 4. Solve 4(5x

    asked by whitney
  27. English: Quotes

    What if there's a quote inside a quote would I use this " ...'...'" and also what if I wanted to add something in my own words in between the quote would I end the quote then write my thought and then start a new quote OR would I use [...] in between the

    asked by Amy~
  28. 6th grade history

    What advantages in warfare did the Hyksos use to defeat the Egyptians? From my readings this is my answer-- The advances in warfare were that they came in horse-drawn chariots and fought with bronze and iron weapons. Is this correct?

    asked by Reed
  29. computers

    I require an algorithm that will receive two integer items from a terminal operator, and display to the screen their sum, difference, product and quotient How to do that?

    asked by sunita
  30. Calc

    The monthly cost of driving a car depends on the number of miles driven. Lynn found that in May it cost her $380 to drive 480 mi. and in June it cost her $460 to drive 800 mi. a) Express the montly cost C as a function of the distance driven d, assuming

    asked by Chelsea
  31. Calc

    Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their domains. f(x)= square root of x, g(x)= cube root of 1-x These are my answers, but I am not sure about them and I only figured out one domain... that is the part that really confuses me.

    asked by Chelsea
  32. chemistry

    Calculate the mass, in kg, of each sample.9.62×1026 cadmium atoms. -5.72×1027 nickel atoms. -9.14×1027 manganese atoms. -9.02×1029 lithium atoms.

    asked by isoka
  33. Physics

    What will be the equilibrium temperature when a 245 g block of copper at 285 oC is placed in a 145 g aluminum calorimeter cup containing 825 g of water at 12.0 oC?

    asked by Eric
  34. chem

    what substance is oxidized in following reaction 4 HCl+MnO2 and Cl2+2H2O+MnCl2

    asked by daisy
  35. Marketing

    · Write a 1,050- to 1,400-word paper in which you identify the environmental factors that affect global and domestic marketing decisions. Address the following as they relate to the organization’s marketing decisions o Analyze the influence of global

    asked by Chef
  36. Chemistry

    Why is the expansion of air into a region of low pressure an endothermic proccess?

    asked by Lew
  37. physics

    A cannon sends a projectile towards a target a distance 1250 m away. The initial velocity makes an angle 40◦ with the horizontal. The target is hit. The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the initial veloc- ity? Answer in

    asked by Wendia
  38. Chemistry

    The pressure of 6.0 L of an ideal gas in a flexible container is decreased to one-eighth of its original pressure, and its absolute temperature is decreased to one-seventh of the original. What is the final volume of the gas?

    asked by Rachel
  39. physics

    Two crates, of mass m1 = 80 kg and m2 = 115 kg, are in contact and at rest on a horizontal surface. A 620 N force is exerted on the 80 kg crate. The coefficient of kinetic friction is 0.15.(a) Calculate the acceleration of the system.(b) Calculate the

    asked by DJS
  40. Chemistry

    How many grams of iron are there in a sample of Fe3O4 which weighs 8.338 g?

    asked by Diggs
  41. chemistry

    Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. vanillin (responsible for the taste and smell of vanilla): C 63.15% H 5.30% O 31.55%.

    asked by Mely
  42. physics

    A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 320 km/h in a semicircular arc with a radius of 190 m. 1.) Determine the tangential acceleration of the car when it is halfway through the turn, assuming constant

    asked by rick
  43. Physics

    The drawing shows a large cube (mass = 27 kg) being accelerated across a horizontal frictionless surface by a horizontal force vector P . A small cube (mass = 4.0 kg) is in contact with the front surface of the large cube and will slide downward unless

    asked by Sarah
  44. chemistry

    Water (2690 ) is heated until it just begins to boil. If the water absorbs 5.29×105 of heat in the process, what was the initial temperature of the water?express answer in Celsius.

    asked by Kyle
  45. physics

    2 identical cars capable of accelerating at 3.00m/s^2 are racing on a straight track with running starts. car A has an initial speed of 2.50m/s and car B has an initial speed of 5.00m/s. what is the seperation of the 2 cars after 10seconds? which car is

    asked by Anonymous
  46. Physics

    A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm behind this lens is a concave lens with a focal length f2 = -13.9 cm. The object to be photographed is 4.06 m in front of the

    asked by Rudi
  47. Calc

    Recent studies indicate that the average surface temp. of the earth has been rising steadily. Some scientists have modeled the temp. by the linear function T= 0.02t + 8.50, where T is temp. in degrees Celsius and t represents years since 1900. What do the

    asked by Chelsea
  48. science

    animals need what to get rid of body waste?

    asked by trey
  49. Chemistry -repost thank you in advance

    I have a bottle of 95% ethanol purchased from the manufacturer. Normally, when it is not stated, does it mean 95% w/w ethanol? I need to prepare 100ml of 40% v/v ethanol solution from 95% ethanol. Please show me the calculation steps. Thanks.

    asked by annie
  50. Chemistry

    How many calories are required at 0 degrees Celsius to melt an ice cube with a mass of 25 g? Explain in detail. I don't understand.

    asked by Evaldo
  51. 9th grade

    Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers

    asked by Ross
  52. college physics

    A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its center. It is rotating counterclockwise with a speed of 2.5 m/s. Can someone please help me solve this equation step by step?

    asked by Amber
  53. phsic

    A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring.

    asked by penny
  54. physics

    A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car's stopping distance for dry pavement (µ = 0.85)?

    asked by Tom
  55. chemistry

    An unknown substance has a mass of 17.3 . When the substance absorbs 1.557×102 of heat, the temperature of the substance is raised from 25.0 to 45.0 . What is the most likely identity of the substance?

    asked by Kyle
  56. Physics

    Ball is thrown horizontally off a cliff with an initial speed of 20m/s. a) how long does it take the ball to hit the ground 20m below. b)how long would it take to hit the ground if it was dropped from the cliff? c) how long would it take to hit the ground

    asked by Koby
  57. math

    Three different pairs of numbers that add together to get 1

    asked by Lisa
  58. Math

    Solve this linear programming problem using the simplex method: Maximize P = 21x + 12y + 24z subject to these constraints: 3x + 2y + 3z ≤ 864 15x + 6z ≤ 1296 9x + 8y + 18z ≤ 4608 x ≥ 0, y ≥ 0, z ≥ 0 Maximum value for P = ?. This value of P

    asked by John
  59. chemistry

    You mix 2.0 mL of 0.50 M Cu(NO3)2 with 5.0 mL of 0.50 M KI, and collect and dry the CuI precipitate. Calculate the following: a) Moles of Cu(NO3)2 used b) Moles of KI used c) Moles of CuI precipitate expected from Cu(NO3)2 d) Moles of CuI precipitate

    asked by Rose
  60. physics

    A hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. She hears the echo 1.7 s after shouting. Estimate the length of the lake.

    asked by storm
  61. physic

    Wheel A of radius ra = 6.1 cm is coupled by belt B to wheel C of radius rc = 33.3 cm. Wheel A increases its angular speed from rest at time t = 0 s at a uniform rate of 7.1 rad/s2. At what time will wheel C reach a rotational speed of 119.3 rev/min,

    asked by venuya
  62. math

    Write a real world problem that you can solve by writing an equation . The answer to the problem must be 6

    asked by marcus
  63. chemistry

    a. How many atoms of hydrogen are in 25.0 g of ammonia (NH3)? Use the format 6.02E+23 for 6.02 x 10^23 b. How many atoms of nitrogen are in the same amount of ammonia I know to find the number of atoms in a gram of a sample you must multiply by 6.02*10^23.

    asked by kellie
  64. physic

    Wheel A of radius ra = 6.1 cm is coupled by belt B to wheel C of radius rc = 33.3 cm. Wheel A increases its angular speed from rest at time t = 0 s at a uniform rate of 7.1 rad/s2. At what time will wheel C reach a rotational speed of 119.3 rev/min,

    asked by 12isabelle
  65. physic

    A bicycle with 55.20 cm diameter wheels is traveling at 23.60 km/hr. At what angular speed do the wheels turn? answer is 23.8 but still not sure how to find the time How long do they take to turn once around?

    asked by venuya
  66. geometry

    D is between C and E. CE = 6x, CD =4x+8, and DE=27. Find CE.

    asked by bella
  67. chemistry

    A 0.4272-g sample of a potassium hydroxide – lithium hydroxide mixture requires 26.94mL of 0.3385M for its titration to the equivalence point. What is the mass percent lithium hydroxide in this mixture?

    asked by Heather
  68. science

    a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?

    asked by yuku
  69. physics

    Compute the order of magnitude of the mass of (a) a bathtub filled with water, and (b) a bathtub filled with pennies. In your solution list the quantities you estimate and the value you estimate for each.

    asked by aaron
  70. 12th grade Math - word problems

    #1.) The population of bacteria after t hours is given by P(t) = 500/(1+83.33e^-0.162t) a.) What is the initial population? b.) When will the amount of bacteria in the population be 12? #2.) Which investment yields the greater amount after 4 years? a.)

    asked by Jamie
  71. stats

    Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of

    asked by Jenn
  72. chemistry

    what is the mass of 1 mole of carbon dioxide (CO2), and silicon dioxide (SIO2)?

    asked by Katie
  73. math

    You select 10 cards randomly from a deck of 52 cards. What is the probability that all of the cards selected are face cards (i.e. jacks, queens, or kings)?

    asked by Hanna
  74. 5th grade

    Can you please correct this sentense: kelsey said i want to go to aunt joys for thanksgiving

    asked by Gita
  75. chemistry

    We add excess NaCl solution (58.44 g/mol) to 64 mL of a solution of silver nitrate (AgNO3 169.88 g/mol), to form insoluble solid AgCl. When it has been dried and weighed, the mass of AgCl (143.32 g/mol) is found to be 1.91 grams. What is the molarity of

    asked by Jake
  76. geometry

    If m

    asked by Melissa
  77. Physics

    In moving a 35.0 kg desk from one side of a classroom to the other, a professor finds that a horizontal force of 300 N is necessary to set the desk in motion, and a force of 185 N is necessary to keep it in motion at a constant speed. (a) What is the

    asked by George
  78. Math

    John wants to build a corral next to his barn.He has 300 feet of fencing to enclose three sides of his rectangular yard. a. What is the largest area that can be enclosed? b. What dimensions will result in the largest yard?

    asked by Roger
  79. Physics

    A 15 g lead bullet is tested by firing it into a fixed block of wood with a mass of 1.05 kg. The block and the embedded bullet together absorb all the heat generated. After thermal equilibrium has been reached, the system has a change in temperature

    asked by Eric
  80. geometry

    find the measure of an anGle if five times the measure of its complement is 24 derees less than twice the measure of its supplement. What is the equation? What is the measure?

    asked by Dre
  81. statistics

    Suppose that the proportions of blood phenotypes in a particular population are a follows: A = .42 B = .10 AB = .04 O = .44 Assuming that the phenotypes of two randomly selected indiviuals are independent of one another, what is the probablility that both

    asked by Dre
  82. Physics

    #1. Ten Christmas lights are connected in series and plugged into a 120 V wall outlet. Each light is identical and can be thought of as a resistor. a) What should the value of this resistance be if the total string is to dissipate 50 W? b) How much power

    asked by Sam
  83. nath

    the graph shows the annual heart attack rate per 10,000 men as a function of blood cholesterol level . Use the graph to approximate the annual heart attack rate per 10,000 men for those whose blood cholesterol level is 250mg/dl.

    asked by Anonymous
  84. Math

    Solve this problem using the simplex method. A company manufactures checker sets and chess sets. Suppose each day the company has available 1200 boards (which can be used for both games) and 80,000 units of wood for making pieces. Each checker set uses 20

    asked by John
  85. Physics

    Two boats are heading away from shore. Boat 1 heads due north at a speed of 3.7 m/s relative to the shore. Relative to boat 1, boat 2 is moving 35° north of east at a speed of 1.3 m/s. A passenger on boat 2 walks due east across the deck at a speed of 1.2

    asked by Randal
  86. physics

    The fastest major league pitcher throws a ball at 40.0. If he throws the ball horizontally, how far does it drop vertically on the 17.7 trip to home plate?

    asked by kt
  87. Algebra

    John wants to build a corral next to his barn. He has 300 feet of fencing to enclose three sides of his rectangular yard. a. What is the largest area that can be enclosed? b. What dimensions will result in the largest yard?

    asked by Roger
  88. Physics

    What is the period of the minute hand of a clock?

    asked by Amy
  89. Physics

    A chain composed of four identical links is suspended by a rope and does not move. What are the forces on each chain? (include where they come from)

    asked by Richard
  90. physics !!

    A jogger travels a route that has two parts. The first is a displacement A of 2.95 km due south, and the second involves a displacement B that points due east. If the resultant displacement A+B has magnitude 4.13 km, what is the magnitude of B? Im not sure

    asked by Em
  91. 11th grade

    A flowerpot falls from a window sill 38.8 m above the sidewalk. What is the velocity of the flowerpot when it strikes the ground? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s. How much time does a passerby on the side- walk below have

    asked by Taylor
  92. physics

    A rock climber throws a small first aid kit to another climber who is higher up the mountain. The initial velocity of the kit is 21 m/s at an angle of 58° above the horizontal. At the instant when the kit is caught, it is traveling horizontally, so its

    asked by Emily
  93. 9th grade

    Simplify the expression. 3 [ (15 - 3)^2 / 4] a. 36 b. 108 c. 18 d. 9

    asked by Dina
  94. science

    a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?

    asked by yuku
  95. Chemistry

    The Specific Gravity of kerosene is 0.786/ What is the volume occupied by 7.75kg of kerosene?

    asked by Natalie
  96. Physics

    #1. Ten Christmas lights are connected in series and plugged into a 120 V wall outlet. Each light is identical and can be thought of as a resistor. a) What should the value of this resistance be if the total string is to dissipate 50 W? b) How much power

    asked by Bartholomew
  97. Marketing

    Which of the following statements best describes the modern view of marketing?

    asked by Anonymous
  98. poetry

    Could you tell me how to go about analyzing or theme or poem "A Kite Is a Victim" by Leonard Cohen What are juxtapositions ?

    asked by Kelsey
  99. Math ( Surveying )

    Need help with this problem! Thanks in advance. The ground clearance of an overhead electrical cable must be determined. Surveyor B is positioned directly under the cable (surveyor B can make a position check by sighting past the string of a plumb bob,

    asked by Dale
  100. Chemistry

    The Specific Gravity of kerosene is 0.786. What is the volume occupied by 7.75kg of kerosene? Is it 7.75/0.786?

    asked by Natalie
  101. english

    How can I fix this sentence? If I knew that the caring journal would be due on September 27, I would try to finish it on the fourth week.

    asked by flame
  102. chemistry

    draw a lewis structure for a resonance form of ClO2- showing the lowest possible formal charges and give the oxidation numbers of the atoms

    asked by Missy
  103. Physics

    A cable is lifting a construction worker and a crate, as the drawing shows. The weights of the worker and crate are 961 and 1540 N, respectively. The acceleration of the cable is 0.620 m/s2, upward. (a) What is the tension in the cable below the worker?

    asked by Sarah
  104. History

    Could someone explain what social, economic, and political issues are? Social- would be among the people? Economic- Political- issues that have to do w/ gov?

    asked by Amy~
  105. Clothing and textiles

    What does Disposing Fullness means?

    asked by Shawna
  106. Physics

    A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the

    asked by Eric
  107. physics

    A bicycle with 55.20 cm diameter wheels is traveling at 23.60 km/hr. At what angular speed do the wheels turn? How long do they take to turn once around?

    asked by venuya
  108. math

    Adam is 3 times as old as Cynthia and Fred is 16 years younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's and Fred's age. Find their present age. I have a answer already but I still not get it,please help me out with answer

    asked by Thanh
  109. chemistry

    f 89 of heat are added to a pure gold coin with a mass of 15 , what is its temperature change? Specific heat capacity of gold is 0.128 .

    asked by Kyle
  110. math

    Assume that there are 13 frozen dinners: 5 pasta, 4 chicken, and 4 seafood dinners. The student selects 5 of them. What is the probability that at least 2 of the dinners selected are pasta dinners?

    asked by Jordan
  111. READING

    GRUMBLE-EXPLOTE-LANGUAGES-MUMBLED-STREAK-STUBBORN-DARTED Jack was so upset he could not stand still. He____________ from room to room looking for his spanish textbook.

    asked by LUZ
  112. Physics

    A student sees a flowerpot pass his 2m high window on the fourth floor in 0.093 seconds. The distance between floors is 4.0m. From which floor did the pot fall?

    asked by Kris
  113. physics

    While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 275 m east, 215 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

    asked by vicky
  114. math

    how is the limit of x^2/(1-cos^2(x)) as x goes to 0 is 1. I know how to show this using l'hopital rule. But can you show this using the rule that limit of (1-cosx)/x=1 as x goes to 0 and limit of sinx/x=1 as x goes to 0

    asked by flame
  115. medicine

    The concentration of Lasix is 5%. How many milligrams are in 0.5ml?

    asked by Jessica
  116. 11th grade

    When the shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 3.8 m/s2 as it slows from 8.8 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s.

    asked by Taylor
  117. math

    solve the equation 9(x-4)+x=10(x-4)+4

    asked by Anonymous
  118. science

    Which would be most appropriate to measure the mass of my pet panda in? a. kilograms b. centigrams c. Gigagrams d. milligrams its kilograms??????

    asked by Ross
  119. Statistics

    The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68. 1. Display the data in a stem-and-leaf plot. 2. Find the mean. 3. Find the median. 4. Find the mode. 5. Find the range.

    asked by Shawna
  120. Chemistry

    What is the molecular, ionic and net ionic formula for Acetic acid and sodium nitrate Molecular: Ionic: Net Ionic:

    asked by Melissa
  121. physics

    Consider the position of a ball thrown down with an initial speed of 18 m/s. What will be its position after 2.8 s? Let the initial position be 0. The acceleration of gravity is 9.8 m/s2. Answer in units of m

    asked by Anonymous
  122. physics

    A fully loaded 737 aircraft takes off at 250km/h.If its acceleration is a steady 3.3 , how long a runway is required? How much time does it take the plane to reach takeoff?

    asked by kt
  123. Physics

    As part a of the drawing shows, two blocks are connected by a rope that passes over a set of pulleys. One block has a weight of m1 = 562 N, and the other has a weight of m2 = 758 N. The rope and the pulleys are massless and there is no friction. (a) What

    asked by Sarah Lothrop
  124. Math

    a disc jockey must play 14 commercial spots during 1 hour of a radio show.Each commercial is either 30 seconds or 60 seconds long. If the total commercial time during 1 hour is 11 min, how many 30-second commercials were played that hour. How many

    asked by Anonymous
  125. Math

    one day a store sold 21 sweatshirts. White ones cost $10.95 and yellow ones costs $13.50. In all $275.85 worth of sweatshirts were sold. How many of each color were sold How many white sweatshirts were sold? How many yellow sweatshirts were sold?

    asked by Anonymous
  126. macroeconomics

    what happens to the net public debt if the federal government operates next year with a : budget deficit, balanced budget, budget surplus

    asked by aimee
  127. statistics

    A coin is weighted in such a way that a tail is twice as likely to occur as a head. If the coin is tossed twice, what is the probability of obtaining two tails?

    asked by Lori
  128. math

    find the linear function f(x)=mx +b, whose graph has the given slope and y-intercept slope is -13/9 and y-intercept is (0.-6) the linear function is f(x)=

    asked by Anonymous
  129. chemistry

    Calculate the amount of heat required to raise the temperature of a 25 sample of water from 7 to 25.

    asked by Anonymous
  130. Chemistry

    The Specific Gravity of kerosene is 0.786. What is the volume occupied by 7.75kg of kerosene? Is it 7.75/0.786?

    asked by Natalie
  131. Chemistry

    I like to write and name chemical formulas, but some formulas just confused me really bad, so I would like help getting back on track. I don't understand this. NiPO4: I know that Ni = Nickel, and PO4 = Phosphate, but how come there isn't the -3 charge on

    asked by Anonymous
  132. Physics

    A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i. If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j), at what time t does the particle first cross the x axis? Answer in units of s. part 2. At what time t is the particle moving

    asked by Christian
  133. physics

    A 5.10 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.450. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator

    asked by Dawn
  134. Accounting

    It is stand accounting procedures, or GAAP, to make an adjusting entry to remove the current year’s principle from the long-term liabilities. This entry reduces the long-term liabilities and increases the current liabilities. You are the bookkeeper for

    asked by Brian
  135. chemistry-mostly for bobpursley- I have a question

    ok i made a post with this question earlier: A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus? u responded with this formula: 6*massproton+6*masscarbon=n*masselectron look up the

    asked by Sarah
  136. medicine

    A cat on IV fluids must receive 30ml/hr of saline. The drip set provides 60gtt/ml. How many gtt/sec should the drip be?

    asked by Jessica
  137. 8th grade

    calculate each power of 10 what pattern do you see in part (a) explain hoe your pattern can show that 10 to the pwoer of 0=1

    asked by unknown
  138. Physics

    A simple camera telephoto lens consists of two lenses. The objective lens has a focal length f1 = +41.7 cm. Precisely 36.1 cm behind this lens is a concave lens with a focal length f2 = -13.9 cm. The object to be photographed is 4.06 m in front of the

    asked by Rudi
  139. Math(Please help)

    Find the real solutions of each equation. 1) 1 / (x+6)^2 = 1 / (x+6) + 12 2) 8x^2/3 - 39x^1/3 - 5 = 0 I have no idea how to do these. Please help!!! Thank you!

    asked by Hannah
  140. marketing

    is the process of naming broad product-markets and then segmenting these broad product-markets in order to select target markets and develop suitable marketing mixes. A. Mass marketing B. Market segmentation C. Diversification D. Market positioning

    asked by Anonymous
  141. Calculus

    Determine how much time, to the nearest tenth of a year, is required for an investment to triple in value if interest is earned at the rate of 3.5% compounded continuously. (use A=Pe^rt

    asked by Jessica
  142. 10th grade

    analyze the responses to the spread of buddhism in china

    asked by Anonymous
  143. Math

    A basketball player hits 90% of his shots. What is the probability tat he makes the next 3 shots?

    asked by Anonymous
  144. algebra 2

    compare each pair of numbers. Use < or > o.45,0.405

    asked by Anonymous
  145. english

    How do i make this a stronger thesis statement? There are many circumstances that effect the actions of fictional characters.

    asked by mikaliah
  146. math

    Pretend the program in Senegal had been reducing infant mortality at a rate of 11 % per year. How long would it take for infant mortality to be reduced by 35 %? How do I go about solving this problem?

    asked by Kayla
  147. statistics

    P(A)=.37, P(B)=.19, P(A and B)=.13. What is the probability that A doesn't occur or B does?

    asked by Lori
  148. Physics

    A monkey is chained to a stake in the ground. The stake is 2.81 m from a vertical pole, and the chain is 3.61 m long. How high can the monkey climb up the pole?

    asked by Anonymous
  149. Chemistry

    This is not a homework question, I'm just asking this casually. Is the metal Silver a good conductor of electricity?

    asked by Anonymous
  150. Science

    How many neutrons in actinium?

    asked by BrXce
  151. 12th grade physics

    Helium is monatomic with a relative atomic mass of 4. calculate (i) the density of helium gas at a temperature of 0 degrees Celsius and a pressure of 101kPa and (ii) the rms speed of the helium atoms under these conditions

    asked by Enya
  152. geometry

    If three time the supplement of an < is subtracted from seven times the comp. of the

    asked by Amy
  153. math

    Maximize P = 4x + 20y subject to these constraints: 2x + 15y ≤ 700 5x + 10y ≤ 1150 5x + 5y ≤ 1000 4x + 15y ≤ 980 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, and u4 represent the slack

    asked by John
  154. physics

    two notes wich have frequency ratio 2:1 are said to be separated by an octave.A frequency wich is separated by an octave from middle C(256Hz) is?

    asked by kabelo
  155. world history

    Compare and contrast China and India ca. 1400. What are some important political differences? Why do you think those differences might matter in the way world history develops in the period from 1500 to 1800?

    asked by paul
  156. world history

    Why does Marks begin with China? What was happening there in the 1400s that matters to the course of world history?

    asked by paul
  157. mgmt 303

    some people have claimed that the increasing technological sophistication required by many of today's corporations has led to a return to job specialization.

    asked by larry
  158. SCIENCE!!

    a. Find the speed required to throw a ball straight up and have it return 6 seconds later. Neglect air resistance. b. How high does the ball go? Please Help!! Thanks!! :)

    asked by Smiley
  159. English

    How could I compare the passage from "from Dust Tracks on a Road" and "from The Autobiography"? Please give an idea.

    asked by bindiya farswani
  160. Calculus

    The manager of a weekend flea market knows from past experience that if he charges x dollars for a rental space at the market, then the number y of spaces he can rent is given by the equation y= 200-4x. Is this correct? Slope represents the relationship

    asked by CM
  161. geography (grade 6)

    PLEASE HELP!! i posted the question yesterday, they were unable to help me !please help me ! what is the recent environment issue that affected a canadian business that sellls its products internationally.

    asked by Ryan
  162. 10th grade

    A rational number is ____ a real number. a. always b. never c. sometimes its always ???????

    asked by David
  163. Math

    Which pattern do you see in the multiples of 9? and Which pattern do you see in the multiples of 1?

    asked by Mia
  164. physics

    A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 17 m/s. If the brick is in flight for 2.5 s, how tall is the building?

    asked by tiffany
  165. math 8

    what is the meaning of order if y=x is to the order of 1 then what is the order for y=sin x ANSWER: is that also the order of one please explain.

    asked by zeda
  166. science

    what is the definition of a compound machine?

    asked by steven
  167. math

    Fill in the correct math operations only once (+, -, *, /) 8_2_1_3_4=5

    asked by kody
  168. ethics

    What is virtue and how do we acquire it? this is according to aristotle

    asked by justin
  169. math

    Maximize P = 4x + 20y subject to these constraints: 2x + 15y ≤ 700 5x + 10y ≤ 1150 5x + 5y ≤ 1000 4x + 15y ≤ 980 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, and u4 represent the slack

    asked by Anonymous
  170. Chemistry - v/v versus w/w

    Thanks a lot:) So just to confirm: normally for any chemical bought from manufacturer, if it is not stated, the % usually means v/v? Seems like for conc sulphuric acid, when it is stated 97% sulphuric acid, it means 97% w/w sulphuric acid? Thank you very

    asked by annie
  171. Physics

    A 6.0 kg block,starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the incline its speed is vf. At what distance from the top of the incline is the speed of the block .5 vf

    asked by Ali
  172. Physics

    Part a of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 92.5 N. Part b shows the same bucket of water being pulled up from the well at a constant velocity. What is the tension in the rope in part b?

    asked by Sarah
  173. english

    what is the complete verb phrase? and helping verb? Who has been doing research on early polar flights? Is it has research? I can not include any of the words that may separate the parts of the verb phrase

    asked by hunter
  174. algebra 2

    7-x/3=5

    asked by Anonymous
  175. English

    What is the difference between hearing and listening?

    asked by Jim
  176. algebra 2

    2(5-3x)

    asked by Anonymous
  177. chemistry

    Which of the following statements about protons are false? (Select all that apply.) 1)Protons have twice the mass of neutrons. 2)Protons have a much greater mass than electrons. 3)Protons have about the same mass as neutrons. 4)Some atoms do not have any

    asked by Sarah
  178. Physics

    A brass lid screws tightly onto a glass jar at 20 oC. To help open the jar, it can be placed into a bath of hot water. After this treatment, the temperature of the lid and the jar are both 60 oC. The inside diameter of the lid is 8.0 cm at 20 oC. Find the

    asked by Eric
  179. college physics

    A 5.10 kg box is sliding across the horizontal floor of an elevator. The coefficient of kinetic friction between the box and the floor is 0.450. Determine the kinetic frictional force that acts on the box for each of the following cases. (a) The elevator

    asked by Denise
  180. physics

    A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?

    asked by Angela
  181. macroeconomics

    match each of the rationales for finacial intermediation listed below with at least one of the following: insurance company, pension fund, savings bank. a. adverse selection b. moral hazard c. lower managment cost generated by larger scale

    asked by aimee
  182. chemistry problem

    A carbon nucleus has six protons and six neutrons. How many electrons would it take to equal the mass of a carbon nucleus? ok. i think theres some type of formula or some trick to figure this one out but i don't know what it is. If you guys know how to

    asked by Sarah
  183. physics

    How much force must a weight lifter apply to a 97 kg barbell to accelerate it upward from rest a distance of 85cm in 3.0 secs? Step by step instructions if possible please. I really need help.

    asked by Anonymous
  184. geometry

    the measure of angle xyz is 140degree what is the value of x (2x+6)degree

    asked by thomas
  185. Chemistry

    What is the difference between a group and a period in the periodic table? A: The difference between a group and a period in the periodic table is that a group is each column/family with similar properties and a period is each row going up from charges 1+.

    asked by Anonymous
  186. Math

    BW made c cookies to divide evenly amoung O,TS,SB,and RD and BW himself. Write an algebraic expression that represents the number of cookies each person will receive. I have no clue...sorry those were intitals the problem characters had long names.

    asked by Kelly
  187. algebra

    write an equation through (2,-1) are parallel to the line y=1/2x+1

    asked by ...
  188. algebra

    -2(x-2)=2[x-4(x-2)+x]

    asked by Jennie
  189. college

    what will be the final temperature if a 5.00-g block of aluminum at 37.0 celsius gives off 25.0 J of heat to its surroundings?

    asked by notsure
  190. chemistry

    How many grams of NH3 will have the same number of molecules as 15.0 grams of C6H6?

    asked by Perry
  191. Chemistry problem

    I refer to my earlier post on v/v versus w/w. I would be very grateful for any advice provided. For 95% ethanol purchased from manufacturer, we normally take it as 95%v/v. For 98% sulphuric acid, it seems like it is normally 98% w/w. I have also seen a

    asked by annie
  192. physics

    A beam of negligible mass of length 3 m is suspended by a string attached to a wall such that the angle between beam and string is 30 degree, and the beam is held horizontal with a sky weight. Find the tension in the string? Find the compression force on

    asked by kat
  193. calculus

    Using a graphing utility, graph and approximate the zeros and their multiplicity. A.x=0,multiplicity 2;x=7,multiplicity 3 B. x=0,multiplicity 2; x=7,multiplicity 1; x=-7, multiplicity 2 C. x=0,multiplicity 3;x=0,multiplicity 2 D.x=0,multiplicity 3;x=-7,

    asked by CC
  194. ECONOMICS

    When does price remain below the equilibrium ? When does price remain above the equilibrium ? What is economics cost and law of increasing cost ?

    asked by RIMA
  195. algebra

    -5+10y=neg30 what is the anser?

    asked by t.j
  196. algebra

    Solve the given equation for n. 12(n+9)=3(36+4n)

    asked by Anonymous
  197. math

    Is this a star polygon, a polygon, or other, how many sides does it have? {9/3}

    asked by Zach
  198. Linear Programming

    Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

    asked by JP
  199. SCIENCE!!

    a. When a ball is thrown straight up, by how much does the speed decrease each second? b. After the ball reaches the top and begins its return back down, by how much does its speed increase each second? c. Compare the times going up and coming down. Please

    asked by Happy Face
  200. physics

    We use many chemicals in our daily lives. How can these chemicals affect you and what can you do to minimize these effects? The chemical industry is enormous in the industrialized world. How has society benefitted from advances in the chemical industry?

    asked by Anonymous
  201. physics

    a pendulum of length L=9.8m hangs in equilibrium and is then given velocity v=0.2m/s at its lowest point.What is the magnitude of the subsequent oscillation?

    asked by kabelo
  202. Science

    What are 2 processess that change earth slowly? The ___1____, which includes the__2____ and part of the _____3_____, is divided into plates that carry all of the Earth's lands and oceans. These plates float on a ___4____ layer of rock in the upper mantle

    asked by Mia
  203. Physics - Inelastic Collisions

    The speed of a pitched baseball is 46.0m/s. You want to know how fast is your school's star baseball pitcher could throw. You make a pendulum with a rope and a small box lined with a thick layer of soft clay, so that the baseball would stick to the inside

    asked by Shaila
  204. math

    solve the equation and check -(9x-4)-(2x-6)+7=-8(x-9)-(6x+2)+4

    asked by Anonymous
  205. 12th grade maths

    how to work out the percentage of a triangle that is shaded by a circle?? (circle is at a tangent to all 3 sided if that helps) thanks

    asked by daz
  206. math

    Maribel's city imposes a tax that is 40% of the state tax she pays. Her taxable income is $198.50 per week. Her state imposes tax at a rate of 5%. How much state and local tax is withheld from her weekly pay?

    asked by tynequa
  207. SCIENCE!!

    a. Find the speed required to throw a ball straight up and have it return 6 seconds later. Neglect air resistance. b. How high does the ball go? Please Help!! Thanks!! :)

    asked by Happy Face
  208. Math

    My question says: Find the exact alue of x for which (4^x)*(5^[4x+3])=(10^[2x+3]) I can't seem to come to a solution. We're reviewing last year's lessons, so change of base and logarithmic expressions are what we're going over right now. Here's what I've

    asked by Anonymous
  209. earth science

    Earthquakes and valcanoes change Earths surface quickly. Can you name at least two processes that canchange earhts surface slowly?

    asked by Mia
  210. US History: WWI

    Why would this poster "Joan of Arc Saved France: Women of America, Save Your Country/Buy War Savings Stamps," if a propaganda poster? I don't understand. It's not misleading information.

    asked by Amy~
  211. Math

    Beyounce has a stack of $1 bills,Kelly has some $5 bills, and Michelle has more than $10 bills. Each person has the same amount of money. What is the least amount each one has?

    asked by Shakira
  212. Math

    Use the simplex method to find the maximum value of P = 3x + 3y subject to these constraints: 3x + 2y ≤ 360 x - y ≤ 60 y ≤ 120 x ≥ 0, y ≥ 0 What is the maximum value of P? What is the corner point which maximizes the profit? x = ? y = ?

    asked by John
  213. math

    x=(-5.15-5.89i)+(30/(-5.15-5.89i)) i is the square root of (-1) the answer sholud equal 10.3 x=10.3 but could you show me how , i am having problem to figure it out. thank you.

    asked by layth
  214. Astrology / Physics

    How do we calculate the radial velocity after the recession velocity is known?

    asked by Alan
  215. History

    what are some similarities and differences between these three mediums: propaganda, advertising and bias? What tricks do you feel are frequently used in propaganda? Why?

    asked by Rebecca
  216. US History

    Could Patriotism and propaganda posters be considered two different effects of US in WWI? At first I thought sure, but than the posters did cause patriotism so...

    asked by Amy~
  217. economics

    Help please You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the

    asked by chris
  218. math

    The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.

    asked by Jan
  219. Biology

    Covalent bonds between nucleotides in DNA are found between: A) a phosphate group and a nitrogenous base. B) a sugar and a nitrogenous base. C) nitrogenous bases. D) phosphate groups. E) a sugar and a phosphate group. Thank you.

    asked by Bee
  220. 11th grade

    A box is sliding up an incline that makes an angle of 16.0° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.30m/s.

    asked by shan lalani
  221. SCIENCE!!

    a. When a ball is thrown straight up, by how much does the speed decrease each second? b. After the ball reaches the top and begins its return back down, by how much does its speed increase each second? c. Compare the times going up and coming down. Please

    asked by Smiley
  222. statistics

    P(A)=.37, P(B)=.19, P(A and B)=.13. What is the probability that A doesn't occur or B does?

    asked by Lori
  223. 5th grade

    What is subject and verb of this sentence...The rest of story was never told.

    asked by Lisa
  224. physics

    consider a simple harmonic oscillation with m=0.5kg,k=10N/m and amplitude A=3cm,if the oscillation is released from rest at x=A when the clock is set to t=0,determine the position of the oscillation at t=2s

    asked by kabelo
  225. science

    a nickel is about 2 millimeters thick,or 2/1,000 of a metter. how many nanometers is?

    asked by lala
  226. History

    When US entered WWI, what century would that be? 20th century?

    asked by Amy~
  227. ECONOMICS

    AS PRICE INCREASES WHY WOULD QUANTITY DEMAND ALSO INCREASE ? SHOULDNT QUANTITY DEMAND INCREASE WHEN PRICE DECREASES ?

    asked by RIMA
  228. poetry

    What is the theme presented in the poem: "You are reading this too fast," by Ken Norris?

    asked by Robert
  229. science

    we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together

    asked by ana
  230. college physics

    A swimmer is heading straight for the other shore of a river with a velocity of vs=0.7 m/s relative to the water, but is carried away by the current, which has a velocity of vr=0.3 m/s. It takes her 20.3 s to get across. How far downstream does she end up?

    asked by Kelly
  231. sorting

    sorting the same set in different ways

    asked by vanessa
  232. math

    Adam is 3 times as old as Cynthia and Fred is 16 years younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's and Fred's age. Find their present age.

    asked by Thanh
  233. math

    x.y=30 and x+y=10.3, I end up with x=(21.83+60.66i)/(-5.15-5.89i). i is the square root of (-1). could you please show me how this equation will = 10.3 I am having problem to figure it out. thank you.

    asked by layth
  234. Math

    Maximize P = 16x + 80y subject to these constraints: 2x + 20y ≤ 430 4x + 70y ≤ 1400 8x + 30y ≤ 980 10x + 10y ≤ 1000 4x + 30y ≤ 700 x ≥ 0, y ≥ 0 Maximum value for P = ?. This value of P occurs when x = ? and y = ? If u1, u2, u3, u4, and u5

    asked by John
  235. english

    What is the theme of the poem A Kite is a Victim. What are juxtapositions in this poem

    asked by Kelsey
  236. SCIENCE!!!!!!!!!!

    a. Find the speed required to throw a ball straight up and have it return 6 seconds later. Neglect air resistance. b. How high does the ball go? Please Help!! Thanks!! :)

    asked by Smiley
  237. MATH:-)¤

    Jay-Z's office contains 12 file cabinets. Three cabinets have 4 drawers,all the other cabinets have 5 drawers. Jay-Z's assisant is typing new labels for each file cabinet drawer. How many labels will she need?

    asked by Asia
  238. LOCAL STANDARDS AND REGULATIONS

    Mrs. Carroll and Ms. Howard decide to divide all profits and share all losses using a fixed ratio. If the ratio agreed upon is in proportion to their original investment, what would be Ms. Howard's share of a $60,000 end-of-year profit? (Hint: The original

    asked by Anonymous
  239. environment

    what is a recent environmental issue that has directly affected a Canadian business that sells its product internationally please help me!!

    asked by Ryan
  240. chemistry

    How many {\rm NO}_{2} molecules would form as products if the reaction had a percent yield of 75\%?

    asked by dj
  241. algebra 2

    to which set of numbers does each number belong 12 7/8

    asked by Anonymous
  242. Physics

    A 6.0 kg block,starting from rest, slides down a frictionless incline of length 2.0 m. When it arrives at the bottom of the incline its speed is vf. At what distance from the top of the incline is the speed of the block .5 vf

    asked by Ali
  243. english

    I'm kinda getting stumped. What are some other characteristics people kind have like their family besides physical ones?

    asked by Kenneth
  244. 7th grade Math

    Lola excercises m minutes per day 5 days a week. Write an alegrabic expression that represents how many minutes '50' excercises in two weeks. Could the answer be 50c because it feels like I'm missing something.HELP

    asked by Ciera
  245. trig

    sinL=6/7 L(alfa)=?

    asked by lejla
  246. physics

    A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's

    asked by Angela
  247. calculus

    a right circular cylinder has a volume 600cubic cm. if it costs $2 for the material needed to make the top and bottom and $3 for the material needed to make the sides, what is the radius and height of the cylinder that would cost the least?

    asked by dave
  248. Math

    (i meant to say) Will the expression 5 _ x always be less than 5? Explain.

    asked by Calasia
  249. algebra 1

    in the equation below, y is a function of x. y = 4x + 8 if the value of x isdecreased by 3, how will the value of y change?

    asked by Jamie
  250. Math

    The corners of a square lie on a circle of diameter 0.33 m. Each side of the square has length L. Find L.

    asked by Liz
  251. Math - Intersection of planes

    You are given the following two planes: x+4y-3z-12=0 x+6y-2z-22=0 a) Use the two original equations to determine two other equations that have the same solution as the original two. ANS: the original two are not parallel in anyway so can I just take

    asked by Shaila
  252. language

    what is the difference between the -s at the tropics and the -s at the end of needs

    asked by Anonymous
  253. Microbiology

    Utilization of amylase producers is “big business” can you find or think of any uses for the amylase production? [think of the high soda consumption in the U.S., what makes it so sweet?]

    asked by C
  254. History

    The U.S. Treasury department can also be known as the government? like in a more broader sense.

    asked by Amy~
  255. Calc Repost

    Express the function in the form f o g. G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't know how to finish the problem because it does not give you the information for F(x)???

    asked by Chelsea
  256. Science

    Matching: Predation, Competition. Red tailed hawks and black racer snakes prey on the same species of rodents in the same habitat. White tailed deer eat tree leaves. Match and explain why.

    asked by Michael
  257. math

    how many square decimeters make 1 square meter?

    asked by Bradyn
  258. 3rd grade

    mary's birthday is between june 13 and june 23. the date of her birthday is not an even number. the sum of the digits is 3. when is mary's birthday?

    asked by ALEXIS
  259. Biology

    In a proper lab report, is first person allowed? Or should I avoid using "I"? Thanks.

    asked by Shanleigh
  260. algebra

    if x.y=30 and x+y=10.3, what is x? i been told by my teacher to use quadratic formula , and him and i did it , we end up having , x1=-5.15-5.89i and x2=-5.15+5.89i, y1=30/(-5.15-5.89i) and y2=30/(-5.15+5.89i).and he told to go from there, but i cant get

    asked by layth
  261. physics

    What happens when the frequency of a force applied to a system matches the natural frequency of vibration of the system

    asked by kabelo
  262. Language Arts

    My daughter is writing a paper on her 3 favorite things about fall. She has chosen Halloween, Volleyball and Football. She is having a hard time with the introduction of it. Any ideas?

    asked by Tracy
  263. Social studys

    Hi i need help on a 2-3 page essay. The question its based on is" explain and describe how geographers use thier tools to interpret grographic questions" I'm in 7th grade THANKS!! :)

    asked by Gabrielle
  264. English

    Thank you for your last corrections. Here are some more sentences I'm not sure of. 1) John was a successful middle class wool dealer. In 1557 his fortunes began to decline and he ran into debts. 2) He was part owner in (?) the most prestigious public

    asked by Franco
  265. SCIENCE!!

    a. When a ball is thrown straight up, by how much does the speed decrease each second? b. After the ball reaches the top and begins its return back down, by how much does its speed increase each second? c. Compare the times going up and coming down. Please

    asked by Happy Face
  266. English

    What is the subject covered in the encyclopedia with the call number 150 ENC? Please Help :P Thanks!! :))

    asked by Smiley
  267. algabra

    what is the reduced fraction of (-25)/30

    asked by t.j
  268. Math(Please help)

    I know I posted this yesterday but I really do not understand this and I did not quite understand the comment on what to do. Find the real solutions of the equation. x = 2 sqrt6x-36

    asked by Hannah
  269. math

    Simplify the expression. 17 – 6 × 10 ¸ 2 + 12 a. 67 b. 59 c. –1 my answer -1 ?????

    asked by Ross
  270. 11th grade

    When Maggie applies the brakes of her car, the car slows uniformly from 15.4 m/s to 0 m/s in 2.41 s. How far ahead of a stop sign must she apply her brakes in order to stop at the sign? Answer in units of m.

    asked by Taylor
  271. Physics

    Absolute temperature is proportional to the average kinetic energy of the atoms. True or false?

    asked by Rissa
  272. social studies

    WHAT ORESIDENT ORDERED AMERICAN TROOPS TO SEIZE THE PORT OF VERACRUZ IN APRIL 1914?

    asked by lexi
  273. Re: social studys

    Im the girl qho just asked about my 2-3 page essay. Its based on this "explain and describe how geographers use thier tools to interpret geographic questions. Remember, i'm in 7th grade. (ms.sue) my teacher said that its based on out notes and its

    asked by Gabrielle
  274. compensation and benefits

    what can you do to build in strategic compensation into your organization.Use the designation (ABC) company or college to keep anonymity

    asked by Marcela
  275. 8th grade

    write each number as the product of prime factors. (a) 42__________________ (b) 110_________________ (c)...__________________ (d)...__________________ .... ....

    asked by raluca
  276. social study

    the definition of unifying characteristics? an example of a region in classroom, school and community?

    asked by Amy
  277. chemistry

    write the lewis structure for dinitrogen oxide. include the 2 resonance structures and formal charges where appropriate.

    asked by Missy
  278. physic

    The angular position of a point on the rim of a 45.8 cm rotating wheel is given by θ(t) = 3.6 t2 − 2.8 t +7.5, What is the instantaneous speed v of the point at time t = 6.5 s?

    asked by annie
  279. english

    What is the subject a d verb of this sentence...The rest of the story was never told.

    asked by Lisa
  280. math

    x=(21.83+60.66i)/(-5.15-5.89i) i is the square root of (-1) then x should equal 10.3 but i do not know how to figure it out please show me hoe thank you

    asked by layth
  281. calc 3

    Find the limit ( e^-3t i + tsin(1/t)j + arctan tk ) if it exists. If not say doesn’t exsist. (t→ ∞)

    asked by rachel
  282. Calculus

    Find the absolute maximum and minimum values of f(x)=(x^2)(e^(-x/2)) on the interval [-1,6]

    asked by Joe
  283. Bio

    The fiber in your diet is composed of: A) fat. B) cellulose. C) starch D) nucleic acid E) protein. Thanks!

    asked by Bee
  284. college physics

    An airport worker needs to make it across a luggage belt in order to retrieve a stuck suitcase. The belt is moving with 1.6 m/s, and the worker can run with v=1.7 m/s. If he wants to make it straight across the d=2.3 m wide belt, how long will it take for

    asked by Kelly
  285. geography

    list 5 states that are that are on the east coast

    asked by monica michel
  286. Math(Please check)

    Find the real solutions by factoring. 7x^3 = 2x^2 x^2(x+7) = x(x+2) x=0 x=-7 x=-2 Is this correct?

    asked by Hannah
  287. history

    how would the climate affect farming, trade , economy in new york? i don't know the answerr

    asked by antonella
  288. Math

    Rewrite rational exponent 3sqrt22

    asked by Sandra
  289. Chemistry

    Why does beta radaiation take place? If there is a website that can help me please post it. Thanks

    asked by Jennifer
  290. Statistics

    The amt of time cold sufferes will experience symptoms is normally distributed wiht a mean of 7.5 days and a standard deviation of 1.2 days what proportion of sufferers will experience in LESS THAN 4 days , also what proportion will experience sympotms for

    asked by Lauren
  291. pre-calculus

    2y^-3 = 4e^(-x/2)/(1+e(-x/2)) my teacher gave this problem in my chem class and i don't know what he is really asking , does any one have an idea if i have to solve for y or what's going on.. how would this be done..

    asked by Jessi
  292. business

    what is the mening of trade agreements of germany and their proximity to trade partners. please and thank you.

    asked by Lee
  293. algebra 2

    3t(t+2)-(3t+5t) for t=19

    asked by Anonymous
  294. math

    in 1920 the record for a certain race was 46.4 sec. In 1960 it was 45.6 sec. Let R(t)=the record in the race and t= the number of years since 1920. a. find a linear function that fits the data. b. Use the function in (a) to predict the record in 2003 and

    asked by Anonymous
  295. 10th grade

    3 points on a line Q,P,R (In order) if QP =2x and QR =2x+1 and PR =21 Solve for x

    asked by Sammy
  296. geometry

    radius of 3960 miles cause there 5280 feet find length in feet by circumference of earth use ~3.14

    asked by tie
  297. Chemistry

    Can some explain how I can determine if a substance has ion-dipole, dipole-dipole, ion-ion or london dispersion forces? I'm really confused and have a test soon please help!

    asked by Anonymous
  298. math

    help me find de equivalent fraction for 10/18

    asked by ale
  299. english

    what are the similarities between "A Rose for Emily" and "Blu Winds Dancing"

    asked by donna
  300. Math

    Jerimiah is thinking of a number which,when multiplied times itself gives you a product of 729. What is Jerimiah's number?

    asked by Zaylen
  301. Physics

    An electron is a subatomic particle (m = 9.11 *10^-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.31 * 10^5 m/s to a final velocity of +2.21 * 10^6 m/s while traveling a distance

    asked by Gerald
  302. University Research-level Biology

    Hello, this is an upper-level question, and I would sincerely appreciate help before Tuesday. I am reading a journal article, and there is one conclusion in it that I do not understand. It predicts a postsynaptic mechanism when EPSP amplitudes do not vary

    asked by Jane
  303. physics

    The acceleration due to gravity on planet X is one fifth that on the surface of the earth. If it takes 3.5 s for an object to fall a certain distance from rest on earth, how long would it take to fall the same distance on planet X? Answer in units of s.

    asked by Anonymous
  304. math

    determine whether the correspondence is a function . Detroit ---lions,tigers,pistons. New York---rangers, jet, yankees. Is this correpondance a function.

    asked by Anonymous
  305. Math

    Fantasia bought 15 new books to add to her collection of book 'b'. 2rite an algebraic expression that represents the total number of books in Fantasia's collection now. Will it 15b or 15+b or its other and if so may you explain:)

    asked by Kaylen
  306. Physics

    On a supermarket parking lot, a car is pulling out and bumping into an oncoming car. The car pulls out with 0.8 m/s, while the oncoming car has a speed of 1.4 m/s. The angle between the velocities is 24 degrees, as indicated in the figure. What is the

    asked by Holly J
  307. physical

    Only two horizontal forces act on a 3.0 kg body that can move over a frictionless floor. One force is 9.0 N, acting due east, and the other is 6.9 N, acting 54° north of west. What is the magnitude of the body's acceleration?

    asked by jindi
  308. Poetry Grade 9

    A rhyming poem can be "abcb" right? and it doesn't matter about syllables?

    asked by Maddison
  309. 6th grade

    why is your loyal frend

    asked by Anonymous
  310. Math

    is a number with the most digits always greater?

    asked by Jon
  311. Math

    Describe the figure or polygon produced by interpreting the symbol {8/4}

    asked by Debbie
  312. english

    Is this sentence better? Although Johnson does not know whether she is doing a right choice,I believe that she does make a good decision in contacting other doctors and nurses.

    asked by flame
  313. chemistry

    Time p.m. Mass (g) 1:00 2.5754 1:08 2.5621 1:15 2.5615 1:24 2.5609 1:31 ? How do I predict the mass at 1:31 of this solid that is weighed every 5 minutes while drying?

    asked by Morgan
  314. algebra 2

    to which set of numbers does each number belong? -79

    asked by Anonymous
  315. geometry

    If ef=2x+4,fg=4x-10,and eg=12 find the values of x,ef and fg?

    asked by Becky
  316. science weather

    would you expect to find a greater variety of climates on a hill at 11degreesN or at 65degreesN? whyyy? :)

    asked by Taylor
  317. science

    which is higher 10degrees north or 65 degrees north?

    asked by taylor
  318. 8th grade math

    my project is to complete the October calendar, using the following variables in algebric expression to represent each day in the month. Each expression must include all four variable using each variable exactly one. a=1 b=2 c=3 d=4

    asked by Tee
  319. math 115

    I need help please, Find an equation of the line having the given slope containing the give point m=5/6(5,-8) 5/6+ 40/6 is this correct and if not can you explain to me what I am doing wrong please

    asked by Sydney
  320. chemistry

    what is the minimum number of electrons that would be expected to be in the valence shell of As in AsCl

    asked by kabelo
  321. english

    how can i use appositives in a conservation with a friend

    asked by stephanie
  322. Physics - Power Law Data Analysis

    In an experiment, two variable quantities, x and y were measured. The relation between x and y is thought to be: y= 4(pi)b(x)^3 x(cm) +/- 0.02cm 0.67 0.80 0.90 0.95 y(g) +/- 0.25g 2.25 4.00 5.52 6.60 a) Draw a complete table that allows you to plot the

    asked by Shaila
  323. MATH

    a ramp rises 1.7ft vertically and 5.4ft horizontally. Express the slope as a grade

    asked by Anonymous
  324. algebra 2

    8-1/2x=3

    asked by Anonymous
  325. English Literature

    What is Beowulf doing in lines 1250-1255 when he talks about the sword as a person but really isn't trying to personify it? and why is that even important?

    asked by Alexa
  326. algebra 2

    3>2x or x-4>2

    asked by Anonymous
  327. Maths

    hoe can i derive this equation. s(v)=(4pi)^1/3(3v)^2/3 and please explain.

    asked by Joe
  328. Chemistry

    A solution containing 42 of per 100.0 of water is cooled from 60 to 0 . What will happen during cooling?

    asked by Johannie
  329. algebra 2

    |2x+8|=3x+7

    asked by Anonymous
  330. Algebra Alley(MATH)

    Triangles ABC and RST are similar triangles. Angle A=2(x+15)^0 angle S=3x^0,and angle C=x^0. What are the measures of angles B,R,and T? What kind of triangles are they?

    asked by Bionca
  331. algebra 2

    |3x-2|+4

    asked by Anonymous
  332. Pre-Algebra

    combine like terms and solve equation: m/4-6=2

    asked by Lucy
  333. science

    how can you tell the easiest way if something is a chemical change or physical change.

    asked by layth
  334. college physics

    In the drawing, the weight of the block on the table is 478 N and that of the hanging block is 195 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks. (b) Find the tension in the cord.

    asked by Denise
  335. spanish

    what does al desierto mean in spanish

    asked by Anonymous
  336. college

    After you work out at the gym on a stationary bike for 43.0 minutes, the distance guage indicated that you have traveled 14.8 miles. What was your rate in km/hr?

    asked by Sasha
  337. history

    what is it where individuals control a mother company buy buying up stocks in this_____.

    asked by nathan
  338. 11th grade

    what effect id geography have on the colonies

    asked by Anonymous
  339. Chemistry

    what is the lewis structure with lowest formal charges and label the charge of each atom in NO

    asked by Missy
  340. 6th grade English

    what is the antomns for pledge

    asked by Izeck
  341. Math 11

    for f(x)= squareroot x to h(x)= f(-3x-12) sketch thegraph.... when i did this i did h(x)= f(-3(x+4)) you know the negitve 3 isit reflection on the x ais or the y axis... thank you!!!

    asked by priya
  342. geography

    What part of a map tells the relationship of distance shown on the map to real distance on the Earth?

    asked by vj
  343. chemistry

    Solid magnesium metal reacts with chlorine gas according to the following equation: Mg + Cl2 --> MgCl2 What mass of magnesium chloride is formed in the reaction between 7 g of Mg and 13.2 g of Cl2 I got 7/24.3= .288 13.2/70.90= 1.861777 thats as far as i

    asked by kellie
  344. pre-algebra

    6y+y=42 combine and solve...show work...please help

    asked by Lucy
  345. Biology

    Why are adaptations and why are they crucial for plant and animal survival?

    asked by Rosita
  346. us history

    what early colony did the colonists receive free passage to america

    asked by shabe
  347. Biology

    Matching: Predation, Competition. Red tailed hawks and black racer snakes prey on the same species of rodents in the same habitat. White tailed deer eat tree leaves. Match and explain why.

    asked by Michael
  348. Chemistry

    Examine the drawings in fig 11. What types of particles are modelled in each drawing? a) There are 3 red cubes in this drawing. (I don't understand what they mean by particles. Do they mean label the drawings as element, compound,?)

    asked by Anonymous
  349. math

    millions of dollars $ value find the rate of change

    asked by Anonymous
  350. word search puzzle

    moving about in a clumsy, noisy way

    asked by Jay
  351. math

    i'm trying to help my neice out, and i'm a little rusty here.... R(r1+r2)=r1r2

    asked by dawn
  352. Physics

    A frog with a mass of .14kg jumps by extending its legs 13.5cm, starting from rest in a time period of 112ms. What is the acceleration of the frog while it jumps?

    asked by Meg
  353. Aberdeen

    A model rocket is launched straight upward with an initial speed of 40.0 m/s. It accelerates with a constant upward acceleration of 2.50 m/s2 until its engines stop at an altitude of 120 m.

    asked by James
  354. math

    What are 2 ways to write 67,000 1 way is sixty-seven thousand What is another way

    asked by Pattie
  355. AED 222

    Can anyone please help me on this. I am having trouble trying to figure out what to write. Use the infromation you gathered throughout the course to distinguish what you think is the greatest strength and the greatest weakness of the current special

    asked by Rayna
  356. maddison parish

    How long must a ladder be to reach the top of a 20' wall if the ladder and the wall form a 32 angle (at the top)?

    asked by James Gorgon
  357. Math

    The square root with tha dash and slant thingy is between what two consecutive intergers? Will it be 2&3 or 8&9?

    asked by Shakira
  358. Math

    Tom has some cubes that are 2 cm. on each side. How many of them will fit into a box that is a cube with each side 4 cm. long?

    asked by Dashuna
  359. Science

    What is a mineral. What are the two main groups of minerals and provide some examples of each?

    asked by Jim
  360. physics

    The angular position of a point on the rim of a 45.8 cm rotating wheel is given by θ(t) = 3.6 t2 − 2.8 t +7.5, where θ is measured in radians and t is measured in seconds. What is the instantaneous speed v of the point at time t = 6.5 s?

    asked by venuya
  361. math

    my friend asked me how to do this probelm and i could not figure it out for the live of me. its simple im pretty sure. (6-5i)/(6+5i) I tried using the conjugate method and my answer did not come out correct. can you please answer this?

    asked by Jason
  362. maths

    hi how would you calculate altitude given airspeed, rate of descent and time? thank you!

    asked by gina
  363. Physics

    Dini is riding her bike eastward at a constant 9.5 m/s when a car pulls out of a side street a short distance in front of her. Dini applies her brakes and manages to stop in 2.5 s, just in time to avoid running into the car. Calculate Dini's average

    asked by Emily
  364. 6th grade

    There are more earthquakes along the western coast of the United States than along the eastern coast. Explain

    asked by Mia
  365. Math

    I know I posted this yesterday but I really do not understand this and I did not quite understand the comment on what to do. Find the real solutions of the equation. x = 2 sqrt6x-36

    asked by Hannah
  366. english

    predicate of...the insects damage property

    asked by missy
  367. History

    what are some similarities an differences between these three mediums: propaganda, advertising and bias? What tricks do you feel are frequently used in propaganda? Why?

    asked by Rebecca
  368. Math

    Tom has some cubes that are 2 cm. on each side. How many of them will fit into a box that is a cube with each side 4 cm. long?

    asked by Dashuna
  369. physics

    A bus travels 250 km south along a straightpath with an average velocity of 84 km/h to the south. The bus stops for 26 min, then it travels 240 km south with an average velocity of 70 km/h to the south. How long does the total trip last?

    asked by Taylor
  370. spelling

    to correct-need words ending x,cks,ks

    asked by skye
  371. READING

    GRUMBLE-EXPLOTE-LANGUAGES-MUMBLED-STREAK-STUBBORN-DARTED Jack was so upset he could not stand still. He____________ from room to room looking for his spanish textbook.

    asked by LUZ
  372. chemistry

    A lithium nucleus has three protons and three neutrons. How many electrons would it take to equal the mass of a lithium nucleus?

    asked by blahh
  373. math

    What are the defining characteristics of a golden triangle?

    asked by Sarah
  374. 4th grade

    the meaning of median range

    asked by alisha
  375. science

    What are 3 items you can mix together and then they will settle into 3 different layers?

    asked by kyle
  376. geometry

    Given:

    asked by Amy
  377. science

    if a person has a mass of 75 kg what is his mass in grams

    asked by graice
  378. math

    if x.y=30 and x+y=10.3 what is x ?

    asked by layth
  379. Bio

    Covalent bonds between nucleotides in DNA are found between: A) a phosphate group and a nitrogenous base. B) a sugar and a nitrogenous base. C) nitrogenous bases. D) phosphate groups. E) a sugar and a phosphate group.

    asked by Bee
  380. Accounting

    1. Assume that Sprinturf uses a job order costing system. For the three basic cost categories of direct materials, direct labor, and overhead, identify at least two typical costs that would fall into each category for Sprinturf. 2. Assume a local high

    asked by Dezmin
  381. Pre-Calculus

    Find the values of x for which the line y=2x intersects the parabola y=(x-1)^2+1. So I set the equations equal to eachother, and solved for x using the quadratic formula. The solution I got was: x=3.41 and x=0.59. Could someone please check my work.

    asked by Jon
  382. 11th grade

    A bus travel 250km south along a straight path with the average velocity of 84km/h to the the bus stop for 26 min. Then in it travel 240km with avrage 70km/h to the south.How long long did the hold trip take? What is the average velocity of the trip?

    asked by taylor
  383. math

    a mountain path drops 296.3 ft vertically for every 4810ft horizontally. What is the grade for the path

    asked by Anonymous
  384. physics

    how would you calculate altitude given airspeed, rate of descent and time? I'm trying to find the change in altitude

    asked by polly
  385. math

    solve the given equation for n. 12(n+9)=3(36+4n)

    asked by Anonymous
  386. 6th grade english

    Add two prepositional phrases to this sentence. Can you help me find something that makes sense for the second half of the sentence. Thank You. The singer impressed her audience. The singer beside the stage impressed ________ her audience.

    asked by Jill
  387. english

    Can someone please help me come up with a introduction to my paper. Its about circumatances and how they affect the characters

    asked by mikaliah
  388. math

    given the function k described by k(x)=x+2

    asked by Anonymous
  389. Algebra

    A certain can of iced tea contains 4% of the recommended daily allowance of sodium. The recommended daily allowance is 2500 milligrams. How many milligrams of sodium are in the can of iced tea?

    asked by David
  390. math

    x=(-5.15-5.89i).(30/(-5.15-5.89i)) i is the suare root of (-1) what is x. please help me , i cant figure it out. thank you.

    asked by layth
  391. medicine

    A small bird needs 100mg/kg of antibiotic IM. The bird weighs 80g and the concentration of antibiotic is 100mg/ml. How many ml need to be given

    asked by Jessica
  392. medicine

    A 8 lb rabbit needs 300ug/kg of a 1% solution. How many ml should be given

    asked by Jessica
  393. math

    write each number as the product of prime factors. (a) 42__________________ (b) 110_________________ (c)...__________________ (d)...__________________ .... ....

    asked by raluca
  394. math

    Given the function K described by K(x)=x+2 find each following. K(0)= K(-8)= K(-12)= K(17)= K(d+4)=

    asked by Anonymous
  395. Chemistry

    I'll try to explain better, and will try to include a url. Examine the drawings in fig 11. What types of particles are modelled in each drawing? A) There are three individual cubes in that figure, they are all the same colour which is red. By individual I

    asked by Anonymous
  396. math

    rounded to the nearest ten i am 780. i am even.the sum of my digits is 17.

    asked by mitch
  397. English

    Name a database that would help you with current events. Please Help!! Thanks!!

    asked by Smiley
  398. 7th grade

    what is the definition of hemisphere i need something easy to remember

    asked by ebony padilla
  399. 9gr

    3 - 15 × 5 a. 90 b. 0 c. –72 d. 78

    asked by Den
  400. personal finance concepts

    Donna and Sherman Terrel are preparing a budget for 2010. Donna is a systems analyst with an airplane manufacturer, and Sherman is working on a master's degree in educational psychology. The Terrels do not have any children or other dependents. Donna

    asked by David
  401. trig

    find the value of x in the equation sq.rt x plus 5 = sq.rt x + 45

    asked by kay