Questions Asked on
March 13, 2013

  1. Pre-Algebra

    1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,256 ft2 b. 4,189 ft2 c. 1,089 ft2 d. 1,568 ft2 2) Find the volume of a sphere with a radius of 10 feet. Round to the nearest whole number. a. 1,257 ft3

    asked by Alexa
  2. ~*Math Probability*~

    Which expression would you use to figure out the number of ways you can arrange the letters in the word equation? (1 point) 8! 8P4 4P8 4! Five friends are having their picture taken. How many ways can the photographer arrange the friends in a row? (1

    asked by Student
  3. Algebra

    Which radical expression is in simplified form? a.11y/sq rt 3 b.sq rt 6/5y c. sq rt 17/sq rt 4 d.sq rt 25/81 I think it might be B...not positive though...?

    asked by Cassie
  4. Algebra 2

    What are the mean, variance, and standard deviation of these values? Round to the nearest 10th. 92, 97, 53, 90, 95, 98

    asked by Lea
  5. geometry

    A right triangle prism has a volume of 2 cubic inches. A second right triangle prism is similar to the first one and has a volume of 128 cubic inches. A. What is the scale factor to go from the first prism to the second? B. What is the scale factor to go

    asked by Yvonne
  6. Algebra 2

    Susan keeps track of the number of tickets sold for each play presented at the community theater. Within how many standard deviations of th mean do all the values fall? 135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85. 3 4 5 2

    asked by Lea
  7. Chemistry

    Consider a solution that contains both C6H5NH2 and C6H5NH3+. Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the following pH values. (Assume that the solution is at 25°C.) (a) pH = 4.70 (b) pH = 5.26 (c) pH = 5.42 (d) pH = 4.96

    asked by Margaret
  8. Chem 1

    The forensic technician at a crime scene has just prepared a luminol stock solution by adding 15.0g of luminol into a total volume of 75.0 \rm mL of \rm H_2O. What is the molarity of the stock solution of luminol? 1.13M Before investigating the scene, the

    asked by Chris
  9. 7th Grade Math

    Stacy has a spinner (1-4) and a number cube (1-6). After spinning and rolling the number cube, she will add the two numbers. What is the probability that the sum of the numbers from the spinner and number cube will be 3 or 4?

    asked by Cassidy
  10. Algebra

    A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the corner diagonally opposite. What is the length of this pass with the mower? Give your answer in simplified form. A.10 sq rt 20

    asked by Cassie
  11. biology

    when robert hooke observed cork through his compound microscope , all that he could see were empty chambers. why were hooke's chambers empty

    asked by idk
  12. calculus

    a) If x3 + y3 - xy2 = 5, find dy/dx. (b) Using your answer to part (a), make a table of approximate y-values of points on the curve near x = 1, y = 2. Include x = 0.96, 0.98, 1, 1.02, 1.04. (c) Find the y-value for x = 0.96 by substituting x = 0.96 in the

    asked by Anonymous
  13. Chemistry Lab

    A student who is performing this experiment pours an 8.50mL sample of saturated borax solution into a 10mL graduated cylinder after the borax has cooled to a certain temperature, T. The student rinses the sample into a small beaker using distilled water,

    asked by ConfusedStudent
  14. Physics

    A ball with a mass of 0.50 kilograms is moving at a speed of 1.8 meters/second along the positive x-axis. It collides with another ball of the same mass travelling at a speed of 2.0 meters/second toward the positive y-axis. Both balls then start moving

    asked by fredrick
  15. Physics

    What is the momentum of a 1.5 × 103 kilogram van that is moving at a velocity of 32 meters/second? A. 46.9 kilogram meters/second B. 4.7 × 103 kilogram meters/second C. 4.85 × 102 kilogram meters/second D. 4.85 × 104 kilogram meters/second

    asked by fredrick
  16. College physics

    A toroidal solenoid has a mean radius of 8.00cm and a cross-sectional area of 4.80cm^2 and is wound uniformly with 90.0 turns. A second coil with 500 turns is wound uniformly on top of the first What is the mutual inductance of these coils?

    asked by Anonymous
  17. Algebra

    what is the simplified form of 3sq rt 5c * sq rt 15c^3? A.15c^2 sq rt 3 B.6c^2 sq rt 5 c.5c^2 sq rt 3 d.12c^4sq rt 5 I think it is A...?

    asked by Cassie
  18. quick math

    A patio measures 12 feet by 14 feet. How many 8-inch-square paving stones are needed to pave the patio? A. 21 B. 252 C. 378 D. 168 my answer is B, but the right answer is C? can someone explain that to me thanks

    asked by mathlab
  19. Chemistry

    2AgNO3 + BaCl2 --> 2AgCl + Ba(NO3)2 How many grams of sliver chloride are produced from 5.0g of sliver nitrate reacting with an excess of barium chloride?

    asked by Christie
  20. Statistics

    Direct mail advertisers send solicitations (a.k.a. "junk mail") to thousands of potential customers in the hope that some will buy the company's product. The response rate is usually quite low. Suppose a company wants to test the response to a new flyer,

    asked by MeSue
  21. Physics

    Before a collision, the x-momentum of an object is 8.0 × 103 kilogram meters/second, and its y-momentum is 1.2 × 104 kilogram meters/second. What is the magnitude of its total momentum after the collision? A. 1.4 × 104 kilogram meters/second B. 2.0 ×

    asked by fredrick
  22. Math

    Sam ate 1/4 of the pizza. If the pizza has 8 slices, how many slices are left?

    asked by Kim
  23. Physics

    A mass spectrometer is used to examine the isotopes of uranium. Ions emerge from the velocity selector at a speed of 3.00 x 10^5 m/s and enter a uniform magnetic field of 0.600 T directed perpendicularly to the velocity of the ions. What is the distance

    asked by John
  24. Pre-Algebra

    For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole number. 1) Find the surface area of a sphere with a radius of 8 cm. a. 268 cm2 b. 804 cm2 c. 2,144 cm2 d. 201 cm2 2) Find the

    asked by Selena
  25. Chemistry

    Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.310−5) with 0.130 M KOH. Calculate the pH of the resulting solution after each of the following volumes of KOH has been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b)

    asked by Margaret
  26. physics

    1. A force of 720 N stretches a certain spring a distance of 15 cm. What is its force constant? If a 60-kg mass is hang on it, how far will it stretch?

    asked by 4a
  27. physics

    Pete slides a crate up a ramp at an angle of 27◦ by exerting a 242 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.4. How much work did Pete do when the crate was raised a vertical distance of 2.22 m?

    asked by Anonymous
  28. trig

    cos è = 0.9659 A = ? H = 20

    asked by ben
  29. physical science

    What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward velocity) and the one who jumped out of a plane (with a forward velocity of 40 m/s)?

    asked by cianaa
  30. Chemistry

    ou are given the following data. S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ Calculate ΔH for the reaction below. S(s) + O2(g) → SO2(g)

    asked by Jen
  31. Chemistry

    N2 + 3H2 --> 2NH3 how many grams of ammonia is produced in the reaction?

    asked by Christie
  32. Physics

    Mason lifts a box off the ground and places it in a car that is 0.50 meters high. If he applies a force of 8.0 newtons to lift this suitcase, what is the work done? A. 0 joules B. 4.0 joules C. 4.0 × 101 joules D. 4.0 × 102 joules

    asked by fredrick
  33. Art

    Art to inspire hope is called A.spiritual art. B.watercolor art. C.celebration art. D.western art. I can't decide between A and C...and I can't find it in the book anywhere. Help

    asked by Cassie
  34. Business Stats

    In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Fridays. From past data it was noted that 98% of those who went to class on Fridays pass the course, while only 20% of those who did not go to class

    asked by Jada
  35. College Physics

    A 22 μF capacitor and a 5.20 mH inductor are connected in series with an open switch. The capacitor is initially charged to 6.70 μC. What is the angular frequency of the charge oscillations in the capacitor after the switch is closed? W = _____ rad/s

    asked by Anonymous
  36. Physics 11th grade 'Heat'

    1) Nova, whose mass is 50.0 kg, stays out skiing for too long and her body temperature drops by 2.00 degree celsius . What is the amount of heat lost from Nova's body? (cHuman body= 3470 J/kg degre celcius) 2) Phoebe's insulated foam cup is filled with

    asked by Isis
  37. Physics

    A certain coaxial cable consists of a copper wire, radius a , surrounded by a concentric copper tube of inner radius c . The space between is partially filled (from b out to c ) with material of dielectric constant K. The goal of this problem is to find

    asked by P
  38. Chemistry

    For the reaction ? FeCl2 + ? Na3PO4 → ? Fe3(PO4)2 + ? NaCl what is the maximum mass of Fe3(PO4)2 that could be formed from 5.25 g of FeCl2 and 1.62 g of Na3PO4? Answer in units of g

    asked by James
  39. Chemistry

    What volumes of 0.47 M HF and 0.47 M NaF must be mixed to prepare 1.00 L of a solution buffered at pH = 3.50? HF NaF

    asked by Margaret
  40. English

    Is this a correct parallel structure....? The racehorse Boundless was not only fast but also a beauty.

    asked by Tianna
  41. macroenomics

    Suppose the minimum wage is above the equilibrium wage in the market for unskilled labour. Using a demand and supply diagram of the market for unskilled labour, show the market wage, the number of workers who are employed, and the number of workers who are

    asked by ann
  42. Math

    The faces on a fair number cube are labelled 1, 2, 3, 4, 5 and 6. Steven rolls the number cube 48 times.How many times should Steven expect to roll a 3? a)3 b)8 c)16 d)24

    asked by Tifinia
  43. math

    Natalie is buying potatoes at the grocery store. If she buys 6 potatoes that each have a mass of 375 grams, what is the total mass of the potatoes, in kilograms?

    asked by kay
  44. Physics for engineers

    A bowling ball weighing 71.3 is attached to the ceiling by a rope of length 3.73 . The ball is pulled to one side and released; it then swings back and forth as a pendulum. As the rope swings through the vertical, the speed of the bowling ball is 4.60 .

    asked by Matabase
  45. maths literacy,business studies, tourism, economic

    which career can I study with this subjects after grade12......

    asked by S`hlelwe....
  46. chemistry

    if 150 grams of water is heated from 20 degrees C to 30 degrees C, the number of joules of heat energy aborbed is?

    asked by Anonymous
  47. physics

    A 2.7-kg box is released on a horizontal surface with an initial speed of 2.9 m/s.It moves on the surface with a deceleration of 0.27 m/s^2.Calculate the kinetic friction force on the box

    asked by Naesha
  48. physics

    Assume the proton is at rest initially. The charge on the proton is 1.602×10−19 C and its mass is 1.67 × 10−27 kg. If the magnetic field is 2.85 T and the potential difference is 2.29 MV, find the magnitude of the force on the proton after the

    asked by Anonymous
  49. Soc. Studies

    What progress was made towards women's equality in the 1800s? A.Women obtained the suffrage, or right to vote, in federal elections. B.Many gains were made in the area of women's education during this period. C.Women were granted full equality with men

    asked by Cassie
  50. English

    At the fair, not only can I eat tasty food, but I can also see awesome fireworks. Parallel Structure?....

    asked by Me
  51. public health

    select two challenges associated with multicultural leadership. As a scholar-practitioner in the field of public health, think about strategies you may use to address these challenges. Consider how your public health leadership philosophy may contribute to

    asked by sheryce
  52. Chemistry

    Indicate the concentration of each ion present in the solution formed by mixing the following. Assume that the volumes are additive: 3.60 g of KCl in 76.5 mL of 0.274 M CaCl2 solution [K+] = [Cl-] =

    asked by Sam
  53. Soc. Studies

    Which of the resolutions at Seneca Falls Convention was most inspired by women’s inability to own property? A.desire for improved education in order to understand property contracts B.belief that women should have voting rights in order to change

    asked by Cassie
  54. Reading

    The line “Where water is not thirsty” is an example of which type of figurative language? (1 point) a. symbol b. metaphor c. simile d. personification I choose d because give human quality to animal, object, or idea right?

    asked by Gia
  55. Chemistry

    A buffered solution is made by adding 48.6 g C2H5NH3Cl to 1.00 L of a 0.77 M solution of C2H5NH2. Calculate the pH of the final solution. (Assume no volume change. Assume that all solutions are at 25°C.)

    asked by Margaret
  56. physics (Newton's Laws)

    If an acrobat who weighs 800 N is clinging to a vertical pole using only his hands, neither moving up nor down, can we determine the coefficient of static friction between his hands and the pole? Explain your answer. Please, help. Thank you

    asked by Kathy
  57. English

    I am both a quick worker and careful. is this a correct parallel sentence

    asked by Tianna
  58. Business

    Jenny Franklin estimates that as a result of completing her master’s degree, she will earn $7,000 a year more for the next 40 years. a. What would be the total amount of these additional earnings? b. What would be the future value of these additional

    asked by Anonymous
  59. College Chemistry

    Calculate activities of Ca2+ and F- and the solubility of fluorite (CaF2) in pure water at 25C without regard to possible hydrolysis. Assume that all activity coefficients are equal to one. Express the solubility of fluorite in terms of mol/L and g/L.

    asked by Ren
  60. physics

    If your boat weighs 1400 N, how much water will it displace when it’s floating motionless at the surface of a lake?

    asked by Anonymous
  61. Chemistry

    How much energy is required to melt and heat 25 grams of ice at 0ºC to 25ºC?

    asked by Sarcasticqueen
  62. Chemistry

    You make 1.00 L of a buffered solution (pH = 5.10) by mixing propanoic acid and potassium propanoate. You have 1.00 M solutions of each component of the buffered solution. What volume of each solution do you mix to make such a buffered solution? propanoic

    asked by Margaret
  63. Language Arts

    I have the sentence...When I get home from school,I'm going to take a nap. I am supposed to underline the subjects and verbs. I know in the first part the subject is I and the verb is get. On the second part the subject is I. I'm not sure on the verb

    asked by Brandi
  64. chemistry

    Container A holds 767 mL of ideal gas at 2.50 atm. Container B holds 144 mL of ideal gas at 4.70 atm. If the gases are allowed to mix together, what is the resulting pressure?

    asked by marie darling
  65. Physics

    What is the final equilibrium temperature when 7 g of milk at 5C is added to 117 g of coffee at 68C? Assume the specific heats of milk and coffee are the same as that of water, and neglect the specific heat of the container. Answer in units of C

    asked by Ted
  66. Physics 11

    Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration.

    asked by Samuel
  67. Stats help

    Which test should be used one samples t test, independent samples t test or dependent samples t test. What do you set the hypothesis as Five people who were convicted of speeding were ordered by the court to attend a workshop. A special device put into

    asked by Anonymous
  68. Chem Stoic

    I burned a candle for 3 minutes. It started with a mass of 38.53g (C25H52). It ended with a mass of 38.48g. What mass of water was produced in three minutes? If I burned the candle all day, what mass of the candle would react?

    asked by BRochacho
  69. Chemistry

    Calculate the molarity of a solution made by dissolving 16.0 grams of Na2CrO4 in enough water to form exactly 555 mL of solution.

    asked by Sam
  70. math

    in a triangle, the measure of the first angle is twice the measure of the second.the measure of a third triangle is 64 degrees more than athe measure of the second angle. Use the facts that the sum of the measures of the three angles of a triangle is 180

    asked by brittany
  71. Math

    The clementine had 12 sections. Noah at 3/4 of them. How many sections are left?

    asked by Kim
  72. Enhancing Children's Self-Esteem

    The most important reason why teachers and teacher aides should be strong leaders in the classroom is because it a)helps students to respect authority later inlife b)gives students a sense of security and feeling of belonging c)improves students academic

    asked by Cyndi
  73. Math

    Lisa needs to empty 18 gallons of water from a tub into jugs that hold 0.5 gallons of water - how many jugs does Lisa need

    asked by Slim
  74. Chem

    Caculate the volume of CO2 gas given off at 756 mm Hg and 23C when 150 kg of limestone(CaCO3) is heated until it decomposes according to the following reaction:CaCO3(s)=CaO(s)+CO2(g)

    asked by Kristin
  75. Math

    An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $375,000. If only natural gas is hit, the income will be $165,000. If nothing is hit, there will be no income. If the

    asked by luis
  76. science

    In an atom, electrons ____. a.are located in the nucleus b.are paired with neutrons c. travel outside the nucleus d. are always in the same place in an atom I think its d right?

    asked by Gia
  77. Applied Calculus

    A rectangular box is to have a square base and a volume of 50 ft3. The material for the base costs 32¢/ft2, the material for the sides costs 10¢/ft2, and the material for the top costs 26¢/ft2. Letting x denote the length of one side of the base, find a

    asked by Jacob
  78. Chemistry

    Calculate the pH of a solution that is 0.124 M C2H5NH2 and 0.124 M C2H5NH3Cl. (Assume that the solution is at 25°C.)

    asked by Margaret
  79. Chemistry

    Calculate the pH after 0.016 mole of NaOH is added to 1.05 L of a solution consisting of 0.138 M HONH2 and 0.127 M HONH3Cl, and calculate the pH after 0.016 mole of HCl is added to 1.05 L of the same solution of HONH2 and HONH3Cl. (Assume that all

    asked by Margaret
  80. calculus

    find the exact length of the curve y = ln(1-x^2), 0

    asked by Daniel
  81. Math

    A trainer for a professional football team keeps track of the amount of water players consume throughout practice. The trainer observes that the amount of water consumed is a liner function of the temperature on a given day. The trainer finds that when it

    asked by Help
  82. Soc. Studies

    How were the abolitionist and women's rights movements related? A.The abolitionist movement was patterned on the women's rights movement. B.The two movements competed for resources. C.The two movements had entirely opposing underlying philosophies. D.Many

    asked by Cassie
  83. Math

    The cost C in dollars of producing n yearbooks is represented by the equation C=1000+5n How much would it cost to produce 75n yearbooks?

    asked by Emily
  84. Physics

    Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) =

    asked by P
  85. writing

    how to start a paragraph using sports as a topic sentence. i need ideas please?

    asked by luz
  86. biology

    The micelle and the liposome are two structures formed by phospholipids in an aqueous environment. They are represented here in cross section. The letters A, B, C, and D represent different regions. Four different molecules are shown below. For each,

    asked by selly
  87. trig

    A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

    asked by nicole
  88. science

    Two tiny spheres carrying the same charge are 1.4 meters apart in a vacuum and experience an electrical repulsion of 9.6 N. What is their charge?

    asked by Anonymous
  89. Chemistry

    The number of moles NaOH needed to reach the equivalence point is mol, which means we must add liters of NaOH. The total volume of solution at the equivalence point will be liters. From the above information, the molarity of NaF at the equivalence point is

    asked by Elizabeth
  90. math

    The length of time that it takes for a pendulum to make one complete swing depends on the length of the pendulum. The time in seconds, T, is related to the length in meters, L, through the equation: T=2π√((L)/(9.8)) [it is all under square root] Q1:

    asked by Jonathan
  91. english

    6. Anxiety is to test as procrastination is to: A. online learning. B. time management. C. goal setting. D. reading I'm confused between B, C 7. The first step toward making a change in time management is to: A. keep your eye on the clock. B. enlist

    asked by Amy
  92. English

    Parallel Structure?....Benjamin Franklin was both a statesman and an inventor.

    asked by Me
  93. biology

    The Dopamine molecule cannot make ionic bonds. Edit the dopamine molecule so it now can make ionic bonds.

    asked by Meds
  94. English 11

    Can you guys please help me with these questions???? The story is "The Celebrated Jumping Frog of Calaveras County" by Mark Twain. It has to be turned in today 1. Explain how the character Wheeler fits the setting of this story. 2. Explain why Andrew

    asked by Anonymous
  95. Physics

    A circuit consists of 5 resistors and 3 batteries (see diagram); the connecting wires have all a negligible resistance. The values for R1 , R2 , R3 , R4 , and R5 are 14 Ω, 41 Ω, 68 Ω, 83 Ω, and 110 Ωrespectively. The batteries have a negligible

    asked by P
  96. maths

    onvert the following to scientific notation: (i) the distance to the sun, 149 500 000 000 m (ii) the wavelength of yellow sodium light, 0.000 000 5893 m (iii) the radius of an atom, 0.000 000 000 2 m

    asked by Kate
  97. physics

    A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 {\rm kg}, and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to

    asked by Gareth
  98. geometry

    If the measure of ÐDAB = 50°, and ÐDAC = 20°, what is ÐCAB?

    asked by Anonymous
  99. Calculus

    A manufacturer produces bolts of fabric with a fixed width. The quantity q of this fabric (measured in yards) that is sold is a function of the selling price p (in dollars per yard), so we can write q = f(p).Then the total revenue earned with selling price

    asked by Travis
  100. English

    Is this correct parallel structure?... When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects....

    asked by Tianna
  101. English

    Is this correct parallel structure?... When the movie Star Wars premiered in 1977, it was both surprising and a revolution in its special effects....

    asked by Tianna
  102. MATH- HELP

    If you multiply 100!*200!*300!, how many 0s are there?

    asked by K - NEED HELP
  103. Science

    Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the

    asked by Jacob
  104. maths-trignometry

    The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

    asked by anoynomous
  105. Chemistry

    What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.25 M silver nitrate with 110.0 mL of 0.20 M calcium chloride? Calculate the concentrations of each ion remaining in solution after precipitation is complete. (Enter a 0 if none

    asked by Sam
  106. geometry

    Alexa has 200 square inches of wrapping paper left. Which is the side length of a cube she could not cover with the paper?

    asked by John Rose
  107. Chemistry

    Calculate the pH of a solution formed by mixing 124.8 mL of 0.481 M KF and 130.7 mL of 0.084 M HClO3.

    asked by Margaret
  108. Chemistry

    Consider the titration of 41.5 mL of 0.213 M HCl with 0.123 M KOH. Calculate the pH of the resulting solution after the following volumes of KOH have been added. (Assume that all solutions are at 25°C.) (a) 0.0 mL (b) 10.0 mL (c) 40.0 mL (d) 80.0 mL (e)

    asked by Margaret
  109. Geometry

    A jet is cruising at 360 mph and at an elevation of 34650 feet and on course to pass directly over a golf course. A man on the seventh green sees the jet and quickly calculated the angle of elevation to be five degrees. How long until the jet passes

    asked by Johnny
  110. Science

    At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

    asked by Amy
  111. social studies

    Which of the resolutions at Seneca Falls Convention was most inspired by women’s inability to own property? A.desire for improved education in order to understand property contracts B. belief that women should have voting rights in order to change

    asked by Deborah
  112. Physics 11

    A man jumps from a great height and falls freely to the Earth. Another man jumps from the same height 1 s later. How much are the two men separated by, 2 s after the second man jumps? I'm not sure exactly how to tackle this question. I'm sure I'm making it

    asked by Samuel
  113. math

    Rafael walked mile 2/3 mile and then rode his scooter 5/6 mile. Look at the models to compare the distances. Which distance is farther?

    asked by Mrs.Vargas
  114. Thermodynamics

    Water vapor was flowing through the pipeline at 0,8 MPa pressure and 250 °C temperature. A cylinder-piston mechanism with a spring was attached to the pipeline with a closed valve. The valve was opened and the pressure inside the cylinder increased up to

    asked by Moussa
  115. algebra

    A boy walked for 4 hours and cycled for 3 hours,covering a total distance of 74 kilometers,later he walked for 2 hours and cycled for 4 hours ,covering 82 kilometers,what were his average speed of walking and his average speed of cycling if his speed was

    asked by 007
  116. Physics

    Review Conceptual Example 2 as an aid in understanding this problem. A velocity selector has an electric field of magnitude 2607 N/C, directed vertically upward, and a horizontal magnetic field that is directed south. Charged particles, traveling east at a

    asked by picm
  117. Calculus

    I'm extremely confused on what to do in part a of this question. Consider the curve given by x=3sin(theta), y=1+2cos(theta), 0

    asked by Sarah
  118. Science

    Two children, m1 = 50 kg and m2 = 55 kg, and a plastic sled of mass 35 kg start at rest and slide for 5.0 s down a hill. The force of gravity pulling the children and sled down the hill is 470 N but the snow provides a frictional force of 325 N. At the

    asked by Jacob
  119. English III

    Which of these was not a prime reason why Whitman chose to write in free verse? A. to express his individuality B. to celebrate democracy C. to convey a sense of freedom D. to imitate earlier poets he admired

    asked by rico
  120. english

    what is smooth in this sentence The lake is finally smooth tonight after everyone rode jet skis and boats.

    asked by John
  121. Art

    This art movement presents a celebration of the American wilderness and the West. A.American seascape painting B.American landscape painting C.American portraits D.pioneer painting my choice - D...?

    asked by Cassie
  122. English

    I split this sentence into 2 parts is the colon use correct between football and There's? I love college football: There’s nothing like the sound of a fully packed stadium.

    asked by Bernie
  123. 3rd math

    a clock starts at 5:05. what time is it after the minute hand rotates 12 degrees

    asked by nicole
  124. Chemistry

    Indicate the concentration of each ion or molecule present in a mixture of 45.5 mL of 0.274 M NaCl and 65.5 mL of 0.0246 M (NH4)2CO3. Assume that the volumes are additive. [Cl-] [NH4+] [CO32-]

    asked by Sam
  125. math

    how do i round each of the folllowing to one significant figure and then 'name' that number: 2^200 20^20 please help and thank u so much if u do!

    asked by lujane
  126. math problem

    - Mr. Hermann, a stamp collector , sold 2 stamps for $5000 each. Based on his cost , he made a 25% profit on one stamp and lost 20% on the other stamp. What was Mr. Hermann's total loss on the two transactions? - There are five chidren in the Roberts

    asked by Mark
  127. Absolute Value and Limits

    solve for limits of 1+ and 1- for this function: (x^2 + abs (x-1) - 1)/ abs (x-1) i don't know how to simplify abs. value expression times polynomial. can someone please help.

    asked by Angie
  128. trig

    A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

    asked by nicole
  129. ckc

    Lotto result

    asked by chima
  130. English

    I am still having a few problems with capitalizations. I the sentence below should I capitalized riding lawn equipment, commercial mowing equipment and golf products. Please include a site where I can review capitalizations. I have worked on successful

    asked by Bernie
  131. trig

    A road runs from the base of a mountain. From two points 235 meters apart on the road, the angles of elevation to the top of the mountain are 43 and 30. how high above the road is the mountaintop?

    asked by nicole HELP
  132. physics

    for a satellite at a height of 500 miles at what speed must the satellite be traveling to achieve a circular orbit?

    asked by denise
  133. Chemistry

    If 7.60 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 25°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 35°C to 53°C?

    asked by Faith
  134. algebra

    From a point on a straight road, John and Fred ride bicycles in opposite directions. John rides 10 miles per hour and Fred rides 12 miles per hour. In how many hours will they be 55 miles apart?

    asked by nick
  135. Science

    At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

    asked by Amy
  136. english

    rewrite the following sentences : Marco polo made many discoveries.The discoveries were amazing. Begin with:Marco polo........... She will win the prize.she has worked hard use :since..... They could hardly see the way.it was very dark. Rewrite

    asked by ramesh reddy
  137. Math, Fraction

    raven found 30 coins. 1/6 of them were pennies, 1/5 of them weere nickels, 1/3 of them were dimes, and the rest were quarters. tell how many of each coin.

    asked by Taylor Shelly
  138. math

    Nina finished 4/8 of her homework before dinner. Ed finished 7/8 of his homework before dinner.Look at the models to compare. Who finished more homework?

    asked by Mrs.Vargas
  139. geometry

    prove that rectangles do not exist in hyperbolic geometry

    asked by denise
  140. math

    12 people are playing in a tennis comprtition.Each person must play one game against each other person.how many games are played altogether ? is it 12^11 divided by 2 = 66 thanks

    asked by wan
  141. Science

    Newton's first law of motion states that an object remains at rest unless a ___force acts on it. A.balanced B.frictional C.gravitational D. net I think it's D..?

    asked by Cassie
  142. Marketing

    How do changes in exchange rate affect Product? How do changes in exchange rate affect Price? How do changes in exchange rate affect Promotion? How do changes in exchange rate affect Place/Distribution?"

    asked by Jing
  143. calculus

    The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the particular

    asked by karen
  144. turnford

    prove the following 2 cosec 2θ cos2θ = cotθ - tanθ

    asked by connor
  145. Chemistry

    An insulated container has 54 grams of 90 ªC water. How much ice is required to lower the temperature of 50ºC? No ice remains.

    asked by Sarcasticqueen
  146. biology

    Which of the following bond types is Fexofenadine capable of forming with a suitable partner molecule? Indicate your answer by checking "Yes" or "No" as appropriate. Bond type Can Fexofenadine form this bond? Hydrogen Bond Ionic Bond van der Waals forces

    asked by selly
  147. Chemistry

    50 grams of water at 85ºC were passed through one side of a two-compartment heat exchanger. Sixty-five grams of 30ºC were passed through the other side. Both streams of water came out at 50ºC Calculate the amount of heat given up by the hot water and

    asked by Sarcasticqueen
  148. geometry!

    Γ is a circle with center O. A and B are points on Γ such that the sector AOB has a perimeter of 40. Amongst all circular sectors with a perimeter of 40, what is the central measure of ∠AOB (in radians) of the sector with the largest area?

    asked by PLEASE...HELP..ANYONE
  149. statstics

    The lengths of the eggs of a species of bird are roughly normally distributed, with a mean of 32 mm and an SD of 1.2 mm. 1.Approximately what is the 99th percentile of the lengths? Give your answer in mm but please do not enter the units. 2.Approximately

    asked by ellas
  150. Science

    1.0 g of copper was heated in a crucible, while stirring, and .2g of unreacted copper was recovered usoing hydrochloric acid as a solvent, how much copper would precipitate when zinc is later added to the copper oxide/acid solution?

    asked by R Johnson
  151. English II

    Revise the following paragraph until you can answer yes to each of the questions listed below. After you are finished, copy the revised paragraph in the space provided. 1. Does the paragraph have a clear purpose, and does each sentence contribute to that

    asked by Carlos
  152. English

    1. He planned hard to go on a trip. 2. He planned very hard to go on a trip. (Are both grammatical? Is 'planned' an a transitive or an intransitive verb?) 3. He hoped earnestly to go abroad. 4. He hoped very earnestly to go abroad. 5. He hoped to go abroad

    asked by rfvv
  153. English

    e.g. Who is the girl with glasses? 1. Who is the girl holding glasses? 2. Who is the girl wearing glasses? (What does e.g. mean? #1 or #2?)

    asked by rfvv
  154. Life Orientation

    what, according to the Basic condition of employment Act applies with regard to the contraventions that you've identified?

    asked by Gladness
  155. physics (Newton's Laws)

    One end of a spring is attached firmly to a wall, and a block is attached to the other end. When the spring is fully compressed, it exerts a force F on the block, and when the spring is fully extended, the force it exerts on the block is −F. What is the

    asked by Kathy
  156. physics

    Alice and Bob share a state a|++>+b|−−>, where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement outcome to Bob. If Bob wants his qubit to end up in the state a|0>+b|1>,

    asked by helpless
  157. math

    (5+4ã2)(3+4ã10) multiply and simpify as much as possible

    asked by Anonymous
  158. math

    The swimming pool that Calvin goes to has dimensions 20 meters long, 8 meters wide and 3 meters deep. What is the volume of water (in m3) that the swimming pool contains?

    asked by ayan
  159. Physics

    A rod made from a particular alloy is heated from 22.0°C to the boiling point of water. Its length increases by 8.15 10-4m. The rod is then cooled from 22.0°C to the freezing point of water. By how much does the rod shrink?

    asked by Anna
  160. math question

    -The product of all the positive factors of 20 ( including 20) can be written2^x.5^y. Find x+y. -The number 18 is equal to 2 times the sum of its digits: 1+8=9. 2x9=18. There are 4 two digit numbers that are equal to 4 times the sum of their digitss . Find

    asked by Sony
  161. english

    i will be thankfull to you,if you help me correct my sentences. 1.)complete the sentences with correct form of words: The ball ______(fly)out of his hand like a bullet and______(hit)third slip,who_____(not look),full pitch on the knee cap.With a yell of

    asked by ramesh reddy
  162. maths

    (b) A stone is thrown straight up with velocity 14 m s-1 Calculate (i) The time taken for the stone to reach the top of its motion (ii) The time taken for it to reach the ground again (iii) The maximum height it reaches (iv) What is the velocity of the

    asked by Kate
  163. physical science

    a bot throws a cricket ball witg an initial velocity of 5m.s from the edge of a tall building.it passes the edge of the building on its way down and strikes the ground below after 5seconds (neglect effects of friction. question1...how does the acceleration

    asked by kgaogelo
  164. math

    In a bowl there are 3 apples and 9 bannanas. What fraction of the total pieces of fruit are apples?

    asked by gracie
  165. Chemistry

    If 7.60 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 25°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 35°C to 53°C?

    asked by Faith (Pls Help) (Would Trully Appreciate it)
  166. math

    the+base+jk+of+an+isosceles+triangle+hjk+is+produced+to+l+if+j+%3D69+degree+calculate+hkl&es_nrs=true&pf=p&sclient=psy-ab&oq=the+base+jk+of+an+isosceles+triangle+hjk+is+produced+to+l+if+j+%3D69+degree+calculate+hkl

    asked by Anonymous
  167. math

    The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.

    asked by steph
  168. physics 11

    Displacement i sgivenby x=2+3t+4t2. Find the value of instantaneous acceleration.

    asked by chris
  169. English

    Choose the sentence in which the comma helps make the meaning clear. (1 point) a.If you call, them the dogs will come back. B. If you call them, the dogs will come back. c. If you call them the dogs, will come back. d. If you call them the dogs will come,

    asked by Gia
  170. CHEM

    If 7.60 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 25°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 35°C to 53°C?

    asked by Faith (Pls Help) (Would Trully Appreciate it)
  171. math

    What is the MAD of 3,2,1,0,0.5,1,2,3

    asked by syram
  172. early childhood

    which of the following is best suited to a formative assessment of progress 1. muscular strength snd endurance 2. body fat analysis 3. flexibility 4. qwareness of self and space

    asked by mary
  173. Algebra

    A company allows 0.6% defect rate, the defect average last week was 4 items out of 4400, what is the percent difference between the allowed defect rate and the defect average rate for last week?

    asked by Diane
  174. French

    I should circle the most appropriate subject: 1) Maxime/elsa est née à paris 2) mon frere/ma sœur. S'est engagé dans la lutte contre le sida 3) mes parents/ mes cousines. Se sont installées en gualdeloupe 4) ils/elles sont partis au concert

    asked by Mia
  175. geometry

    What is 2(1x1/2)+2(1x1/4)+2(1/2x1/4)

    asked by Eligh
  176. english

    what is girl in this sentence Sarah is a very smart young girl with a bright future.

    asked by John
  177. english

    The lake is finally smooth tonight after everyone rode jet skis and boats. is smooth the predicate adjective

    asked by John
  178. heritage hihg school

    list the 13 prefixes and numerical value (exponent) in order from largest to smallest. (ex;a5 where a is the prefix and 5 is the exponent!)for u use u!

    asked by pierre
  179. english

    what is girl in this sentence Sarah is a very smart young girl with a bright future. Is it a predicate nominative

    asked by John
  180. mace

    Simplify each expression using the rules of exponents and examine the steps you are taking.Incorporate the following five math vocabulary words into your discussion. Product rule Principal rooot Quotient rule Reciprocal nth root (a^1/2 b) ^1/2 (ab^1/2)

    asked by Anonymous
  181. health science please ASAP

    2. One of the purposes of sweat glands is to release waste products, such as water and _____. (1 point) blood dirt sugar salt 11. A human baby develops inside the mother’s _________ for ______ months. (1 point) !@#$%^&; six pelvis; one uterus; nine

    asked by Delilah
  182. unisa

    Pls help me out don't knw hw to ryt ds assinment

    asked by thuthukani
  183. Medical biling and coding

    can someone please help with this question 16. Which of the following is true about the ICD-10-CM? A. An eighth character was added. B. There are combination diagnosis/symptom codes. C. There are limited injury codes. D. There's additional information

    asked by Tamika
  184. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  185. maths

    integration of upperlimit 1and lower limit -1 the function 2x+3/(x^3=3x +4)dx

    asked by Anonymous
  186. geometry help!!

    A parallelogram ABCD has perimeter equal to 124. Let E be the foot of the perpendicular from A to BC, and let F be the foot of the perpendicular from A to CD. If AE=7 and AF=24, what is the area of the parallelogram?

    asked by Anonymous
  187. 3rd grade math help

    Input X Output Y 1 1 3 9 5 25 write a rule for each function table 8x - 15 is this correct??? HELP

    asked by daniel's mom
  188. english

    What is the simple predicate in the sentences? 1. I ran all the way to your house would it be ran 2. Please help me with my homework would it be homework

    asked by lewis
  189. Enlish

    Hi it's Bernie again. Does this sentence look correct with the quotation marks and comma. Harold wrote, “I regret that I am unable to attend the fundraiser for AIDS research." His letter however, contained a substantial contribution.

    asked by Bernie
  190. Biology

    Why are simple sugars required for metabolism? What makes them so important?

    asked by Nicolette
  191. math

    4x-y-3z=8 2x+2y-z=3 6x+y-3z=2 help me solve matrices

    asked by jenny
  192. calculus

    A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be

    asked by bobbi33
  193. math

    consider the minimum payment you just calculated determine the amount of interest and the amount that was applied to reduce the principal?

    asked by Regina
  194. Physics

    Consider a capacitor made of two square plates of side l. The distance between the two plates is d . (a) We insert a dielectric of dielectric constant K>1 and width l a distance x (as in the diagram). What is the total capacitance of this arrangement?

    asked by P
  195. arithmetic

    If I cut a cake in 20 pieces & I ate 3/5 of the pieces , how many pieces did I et

    asked by Anonymous
  196. math

    what is the largest 4 digit number that can be written with a 3 in the hundreds place and no digit used more than once

    asked by nichole
  197. calculus

    A new college textbook edition typically generates most of its sales in the year of its publication. Sales drop off in subsequent years as a result of competition from the used book market. Suppose that the annual sales of a particular textbook may be

    asked by bobbi33
  198. turnford

    prove the following 2 cosec 2θ cos2θ = cotθ - tanθ

    asked by connor
  199. maths

    An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34 degrees.The angle of depression to the foot of the same building is 51 degrees.If the buildings are on the same ground level find the

    asked by Shane
  200. CALculus

    A train driver is driving along and he suddenly puts on the brakes. After he holds the brakes for t seconds, the train's sliding distance can be measured as d(t)=30t−0.6t^2 (in meters). When the train stops, how far did the train slide (in meters) after

    asked by PLEASE...HELP..ANYONE
  201. Physics

    A 40 lb football player runs at 12 mph into a 60 lb player(initially at rest). How fast do the two move after the collision?

    asked by Taylor
  202. English II

    In the space provided, write a paragraph of cause and effect. You may use one of the topics below or one of your own choosing. Mention at least three causes and their three effects. -friendship as a two-way street -television and preschoolers -vitamin

    asked by Carlos
  203. English II

    The following paragraph is quite sketchy. Provide additional support for the topic sentence, and revise the whole paragraph so that you can answer yes to each of the questions in Lesson 6. Type the paragraph in the space below. Newspapers are great. Many

    asked by Carlos
  204. Chemistry

    Calculate the pH after 0.013 mole of gaseous HCl is added to 272.0 mL of each of the following buffered solutions. (Assume that all solutions are at 25°C.) (a) 0.080 M C5H5N and 0.19 M C5H5NHCl (b) 0.72 M C5H5N and 1.52 M C5H5NHCl

    asked by Margaret
  205. English

    1. I want strongly to go abroad some day. 2. I strongly want to go abroad some day. 3. I want to go abroad strongly some day. (Are the three sentences grammatical? Do they have the same meaning? ... I appreciate your help... Have a good time.)

    asked by rfvv
  206. math

    need a function table for this problem x^3-3=y

    asked by carol
  207. stats

    use dependent samples t test. Set hypothesis so what formula will I use to solve Five people who were convicted of speeding were ordered by the court to attend a workshop. A special device put into their cars kept records of their speeds for two weeks

    asked by Anonymous
  208. computer science

    You are required to use the Account class to simulate an ATM machine. Create ten accounts in an array with id 0, 1, 2 ...9, and initial balance $50. The system prompts the user to enter an id. If the id is entered incorrectly, ask the user to enter a

    asked by karen
  209. Life Orientation

    what, according to the Basic conditions of Employment Act applied with regard to the contraventions that identified?

    asked by Gladness
  210. spelling

    There was a huge between the two canadates. Which acscented sylable would be the right one? CONflict or conFLICT [big letters are the accscented sylabble.]

    asked by Izzy
  211. english

    My directions say circle each prepositional phrase and draw an arrow to the word it describes... like in this sentence you'll find the cows over the hill and beside the brook. What you over the hill describe? Cows or find...

    asked by Anonymous
  212. Algebra

    What is the sum of all the possible values of a for which 25x^2 + (a-15)x + 9 has exactly one distinct real root?

    asked by John
  213. defense

    why bromelain is not recommended for people who have active gastric and duodenal ulcer?What will happen if it will taken?PLEASE ANSWER...THANK YOU

    asked by ynah
  214. Biochemistry

    Explain how to prepare 1L of a buffer at pH 7.4 using 1M hypochlorous acid (Ka = 3.5 x 10-8) and a 1 M NaOH solution. Indicate the volume of hypochlorous acid and sodium hydroxide to use.

    asked by Jen
  215. Program Logic Design

    The Chocolate Delights Candy Company needs to add the following functionality to its cash register: When a customer is checking out, the cash register needs to store the required data pertaining to each item the customer is buying. This data includes the

    asked by Tony
  216. English

    In English, we're learning about the Holocaust and we are answering to "related-to-your-life" questions and below are some questions that I do not understand. Please help! Thank you. Does the U.S. control any countries? Do we have a Chancellor of the US?

    asked by Emma
  217. science

    A substance is added to the solution of Barium sulphate,yellow precipitate is formed.What is that substance?

    asked by prabodh
  218. Math

    Use intermediate value theorem to show there is a root to 2x^3 + x^2 - 2 = 0 on [0,1]

    asked by Kyle
  219. Science

    What happens to make ice change into liquid and why does liquid water become a gas?

    asked by Nick
  220. Math/Geometry

    Two circles of radius r1 and r2 are extenally tangential to each other and are also externally tangential to a staight line l. Another circle of some unknown radius is externally tangential to both the circles and to the straight line l. Find the adius of

    asked by abcd
  221. math

    1. solve the following inequality to find a range of values for x : -18 < x -7 < -6 2. solve the following inequality to find a range of values for x : -96 < -12x < -12

    asked by gary
  222. chem

    what is the percent yield if 27 g of h20 obtained when 33 g of c3h8 reacts with 56 L of 02 at STP.The secong product of reaction is CO2

    asked by percent
  223. Science

    At a given temperature and pressure, the volume of a gaseous sample is directly proportional to the moles of gas (volume = C * moles, where C is a constant). Assuming that the tempreature and pressure is the same for the reaction of magnesium with HCl(aq)

    asked by Amy
  224. True/False-2

    A function can be continuous at every point of a deleted neighborhood of some point and still not have a limit at the point which is deleted. I'm not even too sure what this means in calculus terms. Can you please explain it better? Thank you.

    asked by Marcus
  225. mechanics

    (b) A boat heads North at 2.4 ms-1 across a river that flows East at 1.6 ms-1. (6 marks each) (i) Calculate the resultant velocity of the boat. (ii) The river is 30 m wide. What is the displacement from the starting point when the boat reaches the far

    asked by Kae
  226. maths

    Evaluate (3.00¡Á¡¼10¡½^12 )¡Á(2.40¡Á¡¼10¡½^(-20) ))/(8.00¡Á¡¼10¡½^(-1)

    asked by Kate
  227. maths

    (c) Given that 1 inch = 2.54 cm exactly, express the speed of light, 3.00 „e 108 m/s, in (3 marks each) (i) ft/ns (ii) mile/s

    asked by Kate
  228. maths

    (a) A car accelerates from 0 to 30.0 m s-1 in 6.0 seconds, travels at a constant 30.0 m s-1 for 21.0 seconds, and then brakes to a stop in 3.0 seconds. (i) Draw a velocity-time graph illustrating this motion (ii) Calculate the acceleration (assumed

    asked by Kate
  229. english

    rewrite the following sentences 1.)Pia said,"Don't try to be smart.Ria,but just tell the fact". end with:...........the fact. 2.)They decided to buy the shoes .They were expensive but well made. Combine using:although and because 3.)Only a millionaire can

    asked by ramesh reddy
  230. earth science

    Which type of sedimentary rock is formed from fragments of minerals or rocks? (Points : 3) clastic chemical intrusive organic

    asked by Anonymous
  231. Chem

    If 7.60 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 25°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 35°C to 53°C?

    asked by Faith
  232. english

    write a correct word: ancient man believed thunder and__to be the sign of gods fury.(lightening,lightning) the police suspected that the evidence had been ____with{tempered,tampered) she had to speak so loudly and for so long that her throat

    asked by ramesh reddy
  233. Java programming

    can you show me where is the wrong for this program..because it contains error..i don't know where is it wrong..help..tq.:) import java.util.Scanner; public class BMR { public static void main(String[] args, int x) { Scanner keyboard = new

    asked by yaya
  234. math

    What is the sum of all the possible values of a for which 25x^2+(a−15)x+9 has exactly one distinct real root?

    asked by nice
  235. physical science

    a bot throws a cricket ball witg an initial velocity of 5m.s from the edge of a tall building.it passes the edge of the building on its way down and strikes the ground below after 5seconds (neglect effects of friction. question1...how does the acceleration

    asked by kgaogelo
  236. accounting

    I need to ask some opinion about this question. determine whether the description refers to solo proprietorship, partnership or corporation. 1. Jo Chen & Al Fitch own Financial services provider. Neither Chen nor Fitch has personal responsibility for the

    asked by ifi
  237. pre algebra

    x-7/7x-9

    asked by keke
  238. English

    Homework Help: English Posted by rfvv on Tuesday, March 12, 2013 at 6:29pm. Posted by rfvv on Tuesday, March 12, 2013 at 5:35pm. Posted by rfvv on Monday, March 5, 2012 at 7:39pm. Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to

    asked by rfvv
  239. math

    1. solve the following inequality to find a range of values for x: -11 < -4-x < -7 2. solve the following inequality to find a range of values for x: -25 < -x < -10

    asked by gary
  240. English

    1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2.

    asked by Amy
  241. CHEMISTRY

    If 7.60 kJ of heat is needed to raise the temperature of a sample of metal from 10.°C to 25°C, how many kilojoules of heat will be required to raise the temperature of the same sample of metal from 35°C to 53°C?

    asked by Faith (Pls Help) (Would Trully Appreciate it)
  242. English

    5. Managing time means: A. keeping an eye on time. B. knowing and monitoring how you spend and use time. C. scheduling your activities. D. listing things to do. I think its D 6. Cramming for exams and turning in late assignments are good indications of the

    asked by Amy
  243. ms .sue pls hellp

    how does free radicals and anti oxidant work?connected to bromelain.

    asked by ynah
  244. math

    What is 1/4 of 20 pennies

    asked by johson
  245. Math

    Which two sqare roots are used to estimate 47 ? (1 point)

    asked by taylor
  246. English

    1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2.

    asked by Amy
  247. english

    Is this a complete sentence or a fragment...... Smite a scorner, and the simple will beware.

    asked by John
  248. Social Studies

    What would be abolished if the limits of the Constitution did not restrict officials?

    asked by Mary
  249. english

    Is mommy the indirect object The girls baked mommy some brownies for Mothers day.

    asked by John
  250. math

    input ___ 16 22 50 8 30 output 10 11 14 28 ___ 18 please help me solve this.

    asked by ty
  251. math

    input 2 ___ ___ 7 15 6 output 11 20 35 26 50 23 please help me solve this.

    asked by ty
  252. math

    input 10 15 21 6 29 ___ output 12 22 ___ 4 50 2 please help me solve this

    asked by ty
  253. math

    input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve

    asked by ty
  254. can some1 plz recheck my answers

    1. Which of the following is a specific goal? A. I will pass as many of my courses as possible. B. I will finish my college degree. C. I will devote Wednesday this week to work on my English research paper. D. To become a doctor is my goal. is it C 2.

    asked by Amy
  255. math

    input 5 ____ 10 1 20 22 output 15 19 25 7 ___ 49 please help me solve

    asked by ty
  256. math

    use all digits from 1 - 9 inclusively to make a 3 by 3 magic square.each row ,column and diagonal has the same total

    asked by wan
  257. math

    if i cross multiply 1/2*4/22 what will i get.... just really need an example

    asked by kay
  258. math

    Brett and Erryn were camping and asked a farmer if they could purchase 2 litres of milk.the farmer agreed,but between them they only had an 8 litre and a 5 litre container.how can Brett and Erryn be sure of betting their 2litres of milk?

    asked by wan
  259. writeacher pls helllppp

    how does free radicals and anti oxidant work?connected to bromelain

    asked by ynah
  260. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  261. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  262. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  263. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  264. math 3rd grade

    INPUT X Output Y 1 -1 2 -2 3 -3 write a rule for the function table to many years for this mommy to help can someone help me explain this

    asked by daniel's mom
  265. chemistry

    the concentrations and pressures at equilibrium were found to be: 1.6 × 10–2 M for A, 8.1 × 103 Pa for B, 13.6 M for C, 13.1 M for D, and 3.9 × 104 Torr for E. Calculate the equilibrium constant, K the right answer is 1x10^12 i tried this problem so

    asked by jane
  266. english

    Is this a question Smite a scorner, and the simple will beware.

    asked by John
  267. Algebra 1

    Write an equation in slope-intercept form of the line that passes through the given point amd is parallel to the graph of each equation* (2, -7) y=x-2

    asked by Summer Taylor
  268. math

    5x+4y-5z=44 3x-4y+3z=-10 6x-3y+6z=-15 help solve it

    asked by jenny
  269. calculus

    Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t +

    asked by bobbi33
  270. Domain- Interval Notation

    Domain of g(x) g(x)= sqrt(3-(sqrt(25-x^2)) I got -5, -4, 4, and 5. I wrote it like [-5, -4] U [4, 5] I don't think that's right?

    asked by Marcus
  271. Algebra 1

    Solve the rational expression. [(p)/(q)+(q)/(r)]/[(r)/(s)+(s)/(t)]

    asked by Rayyan
  272. Rational vs. Irrational

    Is 3.05313131313131313131313131... irrational or rational? Thanks.

    asked by Marcus
  273. Inequalities

    solve (x-3)/(x+1) > 5 I get x < -2 every time, but it doesnt work when I plug it back in. (I plugged in -5)

    asked by Marcus
  274. Life orientation

    What, according to the BCEA with regard to the contraventions in work place?

    asked by Pamela
  275. maths (statistics)

    A coin is constructd such dt tail cn appear 4 time as likely as d head appear. Dis coin is tossd wit a fair die. Define X= no of head on coin + no of head on die. 1. Wryt out d sample space 2. Whts d prob. Of X is 14. 3. Pr(X=14)

    asked by Habib
  276. calculus

    Based on data from 1999 to 2001, the rate of change in the annual net sales of Pepsi-Cola North America may be modeled by R(t) = −131t − 749.5 million dollars per year and the rate of change in the annual operating profit may be modeled by P(t) = 12t +

    asked by bobbi33
  277. Limits-Factored?

    lim as x approaches 3+ x^2+x-6/18-3x-x^2 I factored it into (x+3)(x-2)/(6+x)(3-x)

    asked by Marcus
  278. Physics

    Three conducting straight wires (though insulated from each other) are each 2 m long. They are electrically connected to each other only at their ends points A and B. AB = 2 meter. The wires are cylindrical. One is made of copper, one of aluminum and one

    asked by P
  279. calculus

    as x-> + infinity (limit) 3x^4-2x^2/x^4+5x^2 i got positive infinity. is this right

    asked by Angie
  280. Physics 11

    If two objects weighing 5 kg and 7 kg are dropped from a height of 64 m and 36 m, respectively. What will be the ratio of times taken to reach the ground? Thanks.

    asked by Samuel
  281. calculus

    The rate of change of an investment account earning continuous compound interest is given by dA/dt=kA where k is a positive constant. The initial account value was $2500. At the end of the third year, the account value was $4200. Find the particular

    asked by fishfry
  282. math

    two trees on a street have the heights of 3 meters and nine metres respectively. at a certain time of day the shorter tree casts a shadow length of five meters how far apart are the trees?

    asked by liam
  283. Chemistry

    Which of the following combinations of atomic orbitals can combine to form sigma bonds? s-s s-p p-p hybrid orbital - hybrid orbital hybrid orbital - s hybrid orbital - p

    asked by Chemq
  284. Science

    What type of informatin to put in a plant cell essay?

    asked by Tam
  285. physics

    calculate the uncertainty of the coefficient of friction. avg. ì=.574

    asked by samantha
  286. math 3rd grade

    Input X Output Y 1 1 3 9 5 25 write a rule for each function table 8x - 15 is this correct??? HELP

    asked by daniel
  287. algebra..

    If f(x)=2x+5 and g(x)=8−3x^2, what is the value of f(g(4))−g(f(4))?

    asked by PLEASE...HELP..ANYONE
  288. Physics

    A 100 kg car traveling at 40 m/s bounces off a stationary 300 kg car-recoiling at 20 m/s after the collision. What is the change in momentum during the collision (in kgm/s)?

    asked by Taylor
  289. algebra

    What is the maximum value of x that satisfies x/4+5≤20?

    asked by PLEASE...HELP..ANYONE
  290. biology

    Caffeine is the most widely used stimulant in the world today. This naturally produced molecule is found in popular beverages from coffee to black tea to Coca Cola. Although humans use caffeine to ward off drowsiness, the caffeine produced by plants makes

    asked by selly
  291. Limits-Rationalizing

    lim x->1 (1-(1/x^3))/ (1-(1/x^2)) I keep seeming to get a denominator of zero when I rationalized the denominator.

    asked by Marcus
  292. Vertical Tangent

    lim x->0+ for 1/1+ (5^(1/x)) I think there's no limit, since there is a vertical tangent at 0, is this correct?

    asked by Marcus
  293. Math

    What outcome is more likely than 2? Using the spinner

    asked by Rona
  294. math

    There are 19 boys and 19 girls in the school pep band. If Trey randomly selects a member of the pep band to interview for the school newspaper, what is the probability that he will select a girl?

    asked by someone help me!
  295. Earth Science

    Write a paragraph explaining the connections between plate boundaries, forces and faults.

    asked by T-perry
  296. math

    4^(3/2)how do you solve as exponent.

    asked by Anonymous
  297. Economics

    I am doing a housing project for econimics class. I am buying a house that costs $319,900.00. I have to put 20% down which is $63,980.00. This is so I don't have to pay PMI. How much do I have to borrow?

    asked by Gabby
  298. Math

    Grant wrote an equation of a line through the point (4,1) that is perpendicular to the one shown. What other point lies on his line?

    asked by Shenae
  299. Ms. Sue please science

    14. The ______ system uses all of your body’s senses to help maintain homeostasis is the answer control?

    asked by Delilah
  300. Chemistry

    Calculate the pH after 0.14 mole of NaOH is added to 1.07 L of a solution that is 0.54 M HF and 1.15 M NaF, and calculate the pH after 0.28 mole of HCl is added to 1.07 L of the same solution of HF and NaF. 0.14 mole of NaOH 0.28 mole of HCl

    asked by Margaret
  301. Chemistry

    How many moles of NaOH must be added to 1.0 L of 2.2 M HF to produce a solution buffered at each pH? (a) pH = pKa (b) pH = 4.24 (c) pH = 4.60

    asked by Margaret
  302. Writing

    What are the five features of a letter.

    asked by Timmy
  303. math

    Find inverse of [1/(x-2)]+3 and 2(x-4)^2 + 5

    asked by Elbert
  304. maths

    X^4-x^2-90

    asked by terryanne
  305. Math

    What outcome is more likely than 2? Use spinner

    asked by Rona
  306. Math

    What outcome is more likely than 2? Use spinner

    asked by Rona
  307. Math

    What outcome is more likely than 2? Use spinner

    asked by Rona
  308. pos and neg inf limits

    x-> + infinity (x-sqrt(x^2-3x)) for this i got 3, because after it is rationalized i got 3x/x= 3 x-> - infinity (3x^2+4x+2)/(5-x+x^3) i got 3/x , and zero as the final answer are they right. thank you.

    asked by Angie
  309. math

    (w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression

    asked by kj
  310. math

    If i earned $20 in January,$5 in February and $20 in March! What is the mean (average) amount of money earned for these 3 months? what is the answer and can you explain the question to me please

    asked by ahmed
  311. Algebra

    How many distinct prime factors does 100100 have?

    asked by John
  312. social studies

    why must people be careful with non rewable resources

    asked by taylor
  313. ...

    Does anyone know why I'm so cold and my arms and legs hurt? And why my head hurts? It just started today at like the afternoon

    asked by Anonymous
  314. math

    Square root of xandy

    asked by abubakar
  315. Calc

    could i get this step by step pls lim (20x + 400)/(x) as x->∞

    asked by John
  316. calculus

    Given ƒ(x) = 2x^2 - 3x - 1 find the slope and equation of the tangent line to ƒ at the point (1, -2)

    asked by Matt
  317. accounting

    24000 pounds of product a can be sold for $8 per pound

    asked by m
  318. True/False

    A function is continuous at a point if its limit exists at that point. I think it's false because of the counterexample of one-sided limits?

    asked by Marcus
  319. statistics

    The Engineering Department Claims the Average Battery Lifetime is 500 Minutes. You wish to check whether the lifetime is different from 500 Minutes. What type of hypothesis test is it going to be?

    asked by Anonymous
  320. math

    If two additional heart rates were added to the data, how would you get the mode to decrease?

    asked by cassidy
  321. Geometry

    If EF=2x-19, FG=3x-15, and EG=26, find the values of x, EF, And FG

    asked by Nina
  322. physics

    At a fabrication plant, a hot metal forging has a mass of 74 kg and a specific heat capacity of 430 J/(kg·C°). To harden it, the forging is quenched by immersion in 710 kg of oil that has a temperature of 32°C and a specific heat capacity of 3000

    asked by Anna
  323. mechanics

    (a) A boat moves forwards at 10.0 ms-1. You walk across the deck at 1.5 ms-1 at an angle of 30„a (i) What is the forward component of your velocity relative to the boat? (ii) What is your total forward velocity?

    asked by Kae
  324. math

    The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the rectangle. So confused on how to do this problem please help me thanks.

    asked by steph
  325. chemistry

    lewis structure of HOCH2S-

    asked by aly
  326. math

    The dimensions of circle B are three times the dimensions of circle A. The area of circle A is 49 cm2. What is the area of circle B?

    asked by tatyana
  327. algebra

    express R as rational expression 1/R=1/R2+1/R2+1/R3 R FOR R1=5 OHMS R FOR R2=4 OHMS R FOR R3=10 OHMS

    asked by mary
  328. Math (algerba 1)

    (4 X 10 to the -5th power) to the 2nd power. How would I solve this?

    asked by Katea
  329. math

    Maria swims for 4/5 mile.Then she runs for 2/4.Which distance is farther?

    asked by Mrs.Vargas
  330. English

    Goal setting: A. is only important in online learning. B. gives direction and standards for achieving one’s purpose. C. is keeping in mind what you want to do. D. is simply writing what you want to achieve and then put it away. is it B

    asked by Amy
  331. English

    Setting goals is futile if: A. you do not stick to it. B. you are committed. C. you are only motivated by others. D. you do not do it right. i think its A right?

    asked by Amy
  332. math help please ASAP

    The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?

    asked by Delilah
  333. english

    please what is the reader responses in life is funny is a story

    asked by eric
  334. business statistics

    Describe a business situation, other than what has already been selected by fellow students or selected from the team assignment, where mean and standard deviation can be used in decision making. Describe how calculation of mean and standard deviation can

    asked by Tshara
  335. Math

    If you multiply 100!*200!*300!, how many 0s are there?

    asked by K
  336. Math question

    I know these really well, but ive tried alot and couldn't get the same answer as the book.! 1-(3x/2)

    asked by Mia
  337. english

    2. Efficient time management is essential to get things done because time: A. is a limited resource. B. is stressful. C. costs money. D. is a way to control our disorganization. is it D 3. One way to look at goal setting is: A. it is an exercise in

    asked by Amy
  338. Music

    I have this talent show slip I need to fill in for until next week. We need appropriate songs if we are going to sing or dance. I wanted to know if "Like a G6" is approapiate.

    asked by Celest
  339. maths-trignometry

    The value of (secpi/7)+(sec3pi/7)+(sec5pi/7) is

    asked by anoynomous
  340. science help ASAP please

    The ______ system uses all of your body’s senses to help maintain homeostasis. Is the answer "control"? Or is it "endocrine"?

    asked by Delilah