Questions Asked on
November 1, 2011

  1. Calculus

    A parcel delivery service will deliver a package only if the length plus the girth (distance around, taken perpendicular to the length) does not exceed 100 inches. Find the maximum volume of a rectangular box with square ends that satisfies the delivery

    asked by Anonymous
  2. Physics

    A 1200 kg car pushes a 2100 kg truck that has a dead battery to the right. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N . What is the magnitude of the force the car applies to the

    asked by Help Physics college
  3. calculus

    A rectangular beam is cut from a cylindrical log of radius 25 cm. The strength of a beam of width w and height h is proportional to wh2. (See Figure 4.70.) Find the width and height of the beam of maximum strength.

    asked by Maria
  4. physics

    A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.5 x 10 exponent 5 kg, its speed is 27.0 m/s and the net braking force is 4.30 x 10 exponent 5 N, (A) what id its speed 7.50 s later? (b) how far has it

    asked by anna
  5. statistics

    A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded

    asked by Brittany Buford
  6. Physics

    Block 1 of mass m1 slides from rest along a frictionless ramp from height h and then collides with stationary block 2, which has mass m2 = 3m1. After the collision, block 2 slides into a region where the coefficient of kinetic friction is μk and comes to

    asked by Isabel
  7. physics

    A diver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. He then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. The net external torque acting on the diver is zero. What is

    asked by jason
  8. physics

    A 50.0-kg block is being pulled up a 13 degree slope by a force of 250 N which is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the acceleration of the block?

    asked by Kathy
  9. Physics!

    The following four forces act on 4.00 kg object: F1 = 300 N east F2 = 700 N north F3 = 500 N west F4 = 600 N south What is the acceleration of the object?

    asked by Christine
  10. Physics Energy and Work Done

    A 390-N child is in a swing that is attached to a pair of ropes 1.9 m long. Find the gravitational potential energy (in JOULES) of the child–Earth system relative to the child's lowest position at the following times. A) when the ropes are horizontal B)

    asked by Mofied
  11. Physics

    Two skaters, one with mass 68 kg and the other with mass 47 kg, stand on an ice rink holding a pole of length 8.8 m and negligible mass. Starting from the ends of the pole, the skaters pull themselves along the pole until they meet. How far does the 47 kg

    asked by Elaina
  12. Physics

    A 1000-kg car is driving toward the north along a straight road at a speed of 20.0 m/s. The driver applies the brakes and the car comes to a rest in a distance of 140 m. What is the constant force applied to the car to bring it to rest?

    asked by Christine
  13. physics

    A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?

    asked by Bobbie
  14. chemastrey

    of exhow many grams of no2 can be produced by the reaction of excess o2 with 19.8 of no

    asked by jacob
  15. statistics

    A national park is famous for its beautiful desert landscape and its many natural rock formations. The following table is based on information gathered by a park ranger of all rock formations of at least 3 feet. The height of the rock formation is rounded

    asked by Brittany Buford
  16. Physics

    Block 1, with mass m1 and speed 4.5 m/s, slides along an x axis on a frictionless floor and then undergoes a one-dimensional elastic collision with stationary block 2, with mass m2 = 0.41m1. The two blocks then slide into a region where the coefficient of

    asked by Ashley
  17. Math

    Calculate the number of grams of dextrose in 250mL of D5W. I know that the answer is 12.5g, but I do not understand the work. Please help.

    asked by Elie
  18. physics

    A person is sitting with one leg outstretched, so that it makes an angle of = 39.9o with the horizontal. The weight of the leg below the knee is 34.7 N with the center of gravity located below the knee joint. The leg is being held in this position because

    asked by Sami
  19. algebra

    On the day a child was born, a lump sum P was deposited in a trust fund paying 6.5% interest compounded continuously. Use the balance A of the fund on the child's 29th birthday to find P. (Round your answer to the nearest cent.) A = $5,000,000 P = $1

    asked by leah
  20. Math

    Ms. Hernandez has 17 tomato plants that she wants to plant in rows. She will put 1 plant in some rows and 2 plants in the others. How many different ways can she plant the tomato plants? Make a table to solve.

    asked by Micaela
  21. physics

    A 1000kg rocket is moving forward at 10m/s in space. A 10,000N force is applied to the rocket for one second from behind. How fast is the rocket now traveling? a. 0m/s b. 10m/s c. 15m/s d. 20m/s

    asked by Claudia
  22. Chemistry

    1) What is the atomic # for selenium? 34 2) Write the full electron configuration for selenium following the (n+l) rule? I am not sure what is meant by n+l 3) write the electron configuration, grouping electrons by their "n" values. [Ar]3d10 4s2 4p4 Are

    asked by Hannah
  23. Chemistry

    In the cchemistry lab we conducted an experiment called atomic spectroscopy. We had to find the color, energy, wavelength, and 1/lamda for Hydrogen, neon, and mercury. For hydrogen: red 1.90ev 650nm 1.54e^-3 red 2.02ev 610nm 1.64e^-3 green 2.30ev 545nm

    asked by Hannah
  24. physics

    Two skaters, one with mass 62 kg and the other with mass 45 kg, stand on an ice rink holding a pole of length 10 m and negligible mass. Starting from the ends of the pole, the skaters pull themselves along the pole until they meet. How far does the 45 kg

    asked by Jason
  25. physics.pls help

    How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running speed is 5.0m/s. pls help

    asked by ted
  26. calculus

    let f(t) = 2*pi*t + sin(2*pi*t) a) find value of t in open interval (0,2) for which the tangent line at (t, f(t)) is parallel to the line through (0,0( and (2, 4pi) b) suppose the given funtion describes the position of a particle on the x-axis for 0

    asked by zoe
  27. Math- Pre calculus

    A community bird-watching society makes and sells simple bird feeders to raise money for its conservation activities. The materials for each feeder cost $5, and the society sells an average of 20 per week at a price of $9 each. The society has been

    asked by Darren
  28. physics

    During an eclipse, the Sun, Earth, and Moon are arranged in a line as shown in the figure below. There are two types of eclipse: (a) a lunar eclipse, when Earth is between the Sun and the Moon, and (b) a solar eclipse, when the Moon is between the Sun and

    asked by sanjeev
  29. Chemistry

    How many milliliters of 0.277 M AgNO3 solution are needed to react completely with 47.1 mL of 0.278 M NaCl solution? How many grams of AgCl will be formed? The reaction is NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)

    asked by Lynn
  30. English

    Hi, I was wondering if you could help me.. I got this alliteration poem homework from my teacher, and it has to be five lines. I made four lines: Paige predicted that it was the precise time to take the test. Her heart pounded powerfully as she proceeds

    asked by Annabeth
  31. Chemistry I

    Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: In

    asked by Lindsey
  32. Algebra 2

    The point of no return for an airplane, flying over water from point A on land to point B on land, is that distance into the trip for which it takes just as much time to go on to B as it does to return to A. The distance from San Francisco to Honolulu is

    asked by Anonymous
  33. northview

    A player bounces a 0.46 kg soccer ball off her head, changing the velocity of the ball from i = (8.7 m/s) + (-3.7 m/s) to f = (5.1 m/s) + (4.2 m/s). The ball is in contact with the player's head for 6.7 ms.

    asked by bala
  34. calculus

    Find equations for two lines through the origin that are tangent to the ellipse 7x2−168x+y2+62=0 please show me the steps :)

    asked by mehak
  35. science virus

    i have a question do you think the influenza virus is a active or hidden virus and explain, im really not sure. i said active cause once you get it you feel the sympton right away. can you help me with this?

    asked by marko
  36. Math

    suppose u and v are functions of x that are differentiable at x=2 and that u(2) =3, u'(2) = -4, v(2) = 1, and v'(2) find values of derivatives at x = 2 (d/dx)(uv) = ? I would like to know how to set this up because I'm only used to getting problems that

    asked by Amy
  37. Physics

    Question # 1 Marks = 12 A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23. (a) What magnitude of force must the

    asked by M. Yousaf Khan
  38. physics

    a weather balloon carries instruments that measure temperature,pressure and humidity as it rises through the atmosphere.Suppose such a balloon has a volume of 1.2 m^3 at sea level where the pressure is 1 atm and the temperature is 20 degree Celsius.When

    asked by jennaq
  39. College Physics

    A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 6.7 m/s at the end of 6.1 s. At that time, the kinetic energy of the system is 85 J and each mass has moved a distance of 20.435

    asked by Loreal
  40. Ms.Sue August or Anonymous

    All 3 of you I see usually answer a lot of questions. Can you help me with some of these? 1. Erosion is a slow process that causes change to Earth's surface. All of the following are sources of erosion except A.wind B.earthquakes C.glaciers D.ocean waves

    asked by Allishia
  41. Physics

    a student attaches a mass to the end of a 0.80 m string. The system will be whirled in a horizontal circular path at 31.5 m/s. The maximum tension the string can withstand without breaking is 250 N. What is the maximum mass the student can use?

    asked by Dee
  42. Literature-SATIRE201

    in modest proposal, Find sentences in which the speaker uses ethical appeals?

    asked by Mark J
  43. Chemistry

    How many milliliters of 0.201 M Ba(OH)2 solution are needed to completely neutralize 12.8 mL of 0.369 M HNO3 solution? The reaction is Ba(OH)2(aq) + 2HNO3(aq) → Ba(NO3)2(aq) + 2H2O(l)

    asked by Mary
  44. Chemistry

    Calculate the average mass (in amu) of 1 methane molecule (to .01 amu)

    asked by Caitlin
  45. statistics

    6. You read in a book about bridge that the probability that each of the four players is dealt exactly one ace is about 0.11. This means that A. in every 100 bridge deals, each player has one ace exactly 11 times. B. in one million bridge deals, the number

    asked by ron
  46. Science (urgent)

    I have 2 biology questions I really need help with, they are due tommorow and I don't know if I'm right. 1)As an energy carrier, ATP differs from NADPH in that: a)ATP carries less energy than NADPH. b)ATP transfers energy through redox reactions whereas

    asked by Jake
  47. Chemistry

    Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at very high pressure. C2H4(g) + H2O(g) C2H5OH(l) What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of

    asked by Jack
  48. physics

    You jog at 6.2 mi/h for 5.0 mi, then you jump into a car and drive for another 5.0 mi. With what average speed must you drive if your average speed for the entire 10.0 miles is to be 10.6 mi/h? I don't get why the answer isn't 15.

    asked by John
  49. physics

    A 7.5 kg object moving at 7.3 m/s collides inelastically with a 4.0 kg object which is initially at rest. What percentage of the initial kinetic energy of the system is lost during the collision?

    asked by Nae
  50. Physics PLEASE HELP

    A 50-kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 38° with the horizontal. Neglecting friction, calculate the acceleration of the crate AND the upward force the ice exerts on the crate as it is pulled.

    asked by Eddie
  51. physics

    Consider a roller coaster as it travels near the bottom of its track as sketched in the figure below. At this point, the normal force on the roller coaster is three times its weight. If the speed of the roller coaster is 27 m/s, what is the radius of

    asked by sandy
  52. geometry

    anthony is building a picnic table for his patio. he cut one of the legs at an angle of 40 degrees. at what angle should he cut the other end to ensure that the top of the table is parallel to the ground?

    asked by sam
  53. physics

    One end of a massless coil spring is suspended from a rigid ceiling. It is found that when a 3.3 kg mass is suspended from it the spring stretches 105 mm when the mass comes to rest. (a) What is the spring constant for the spring? (b) If the mass is then

    asked by Austin
  54. physics

    a magnetic crane left a mass 1500 through a vertical height of 40m.calculate the work done in operating the crane

    asked by sasi
  55. Math

    Explain why one column in a hundredths grid is equal to one column in a tenths grid?

    asked by sandra
  56. Chemistry

    Use a grammatically correct English sentence to describe how the mass in amu of one molecule of a compound is related to the mass in grams of one mole of that compound.

    asked by Natalie
  57. math

    Solving the proportions b : 16::6 : 4

    asked by rashawn
  58. algebra

    Mr. Hundley has a big collection of silver dollars and 50-cent pieces. He promised to give one fourth of his collection to the first teacher who can figure out the total values of his coins. These are the only clues: There are 132 more silver dollars than

    asked by Linda
  59. algebra

    My science class is pretty small. There are just 18 students in the class. My teacher, Mr. Burnett, has an unusual system for picking lab partners. He has given each student a number from 1 to 18, and on lab days, he pulls two numbers out of a bag to match

    asked by Linda
  60. physics-question 7

    A baseball is thrown at an angle of 26 degrees relative to the ground at a speed of 22.1 m/s. The ball is caught 39.2327 m from the thrower. The acceleration due to gravity is 9.81 m/s2 . How high is the tallest spot in the ball’s path? Answer in units

    asked by kelly
  61. algebra3

    An object is fired straight up from the top of a 200-foot tower at a velocity of 80 feet per second. The height h(t) of the object t seconds after firing is given by h(t) = -16t2 + 80t + 200.

    asked by danielle
  62. investing

    Why is there a gain or loss in a pension expense calculation? I am more confused about this every time I read about this topic. Can somebody explain this to me? I have researched and read and still do not understand why.

    asked by Nick
  63. geometry honor

    given a figure, writ a coordinate proof to show triangle FGH is congruent to FDC.

    asked by sherri
  64. Chemistry(Please check)

    1)For an atom of carbon how many valence electrons are "s" electrons? 2 2) How many are "p" electrons? 4 3)How many (total) electrons in carbon are paired? 2 4) How many are unpaired? 1 Are these correct.

    asked by Hannah
  65. Writing Sentences And Paragraphs

    Hello Sir/ Mam, I have assignments to be completed but really don't know where to start from i need help. I am doing Diploma in Medical Admin Assistant from Penn Foster. This are my Assignments:- Assignment-1 You’ve applied for a specific job in your

    asked by niks
  66. social studies

    unscramble ARTIOTINM

    asked by dre
  67. calculus

    Each page of a book will contain 30 in squared of print, and each page must have 2 inch margins at top and bottom and 1 inch margin at each side. What is the minimum possible area of such a page.

    asked by Barbara
  68. general inorganic biochemistry

    you have set up the apparatus for this experiment and collected the following data: Atmospheric pressure- 721.o torr temperature-22.0c Gas constant- 0.0821 L atm/mol K you then ran the experiment using 0.3234 g of alka seltzer and generated a volume of CO2

    asked by kim
  69. Physics

    While following the directions on a treasure map, a pirate walks 24.3 m north, then turns and walks 4.3 m east. What is the magnitude of the single straight-line displacement that the pirate could have taken to reach the treasure? Answer in units of m

    asked by Bay
  70. physics

    A 2.5-kg block slides down a 17.0° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom its velocity reaches 0.70 m/s. The length of the incline is 1.7 m. What is the acceleration of the block? What is the

    asked by Eddie
  71. chemistry

    Using a coffee-cup calorimeter, it is found that when an ice cube with a mass of 24.6 g melts, 8.19 kJ of heat are absorbed. (a) Calculate the change in enthalpy per gram and per mole of water. (b) Write the thermochemical equation for this physical

    asked by john
  72. calculus

    Given f(x)=sin(x)-2cos(x) on the interval [0,2pi]. a) Determine where the function is increasing and decreasing. b) Determine where the function is concave up and concave down. ________________________________________ I know: f′(x)=cos(x)+2sin(x)

    asked by Shawn
  73. chemistry

    write the corresponding subshell leters for the combinations given. Fill in the possible number of electrons for these subshells. 1) n=1 2) l value=0 3) l letter? 4) "nl"Designation 5) Maxium # of electrons the table shows n values of 1, 2,2,3,3,4 with l

    asked by Hannah
  74. science

    What does a maple tree do for a community.

    asked by miki
  75. Physics

    The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a 3.00 * 10^4 kg spaceship located halfway between them.

    asked by Dee
  76. chemistry

    When 1.50 g of calcium chloride is dissolved in 150.0 g of water, the temperature of the water rises from 20.50°C to 22.25°C. Assume that all the heat is absorbed by the solution. (a) Calculate the heat of solution per gram and per mole of CaCl2 that

    asked by john
  77. math

    Billy is a carpenter who earns $15 per hour. He works 8 hours per day, Monday through Friday. How much does Billy earn in one week?

    asked by Anonymous
  78. Chem

    With which of the following will the weak acid HCHO2 react? If a reaction occurs, write the balanced molecular equation. If no reaction occurs write the left half of the reaction and use "NR". Do not include physical states in your answers. KOH: NH3:

    asked by Colt
  79. Physics

    A 3.2 kg block with a speed of 11 m/s collides with a 11 kg block that has a speed of 3.3 m/s in the same direction. After the collision, the 3.2 kg block is observed to be traveling in the original direction with a speed of 6.4 m/s. (a) What is the

    asked by Ashley
  80. geometry

    In an isosceles triangle, if a base angle has a measure of 43 degrees, then the vertex angle must have a measure of 80 degrees as well.

    asked by Anonymous
  81. math

    Solve the proportions, 4 : 5::8 :b

    asked by rashawn
  82. Math

    Show 25 broken key is 5 show 2 ways

    asked by Basimah
  83. Chemistry

    Ammonia, at stp, 1.5L of N2 reacts with 4.5L of H2, if N2 and H2 are consumed, what volume of NH3 at stp will be produced?

    asked by Michael
  84. Literature4000

    How would you describe the tone of this essay? What evidence supports your interpretation? i know its a serious, satiric tone .. but how can i provide examples?

    asked by Mark J
  85. Physics

    A solid disk rotates in the horizontal plane at an angular velocity of 0.036 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.17 kg · m2. From above, sand is dropped straight down onto this

    asked by jason
  86. Math

    Solve the system using any algebraic method. 2x - 2y + z = 3 5y - z = -31 x + 3y + 2z = -21 ______________________ The answer I got for this is ( -26, 6,67) but I know its wrong and I don't know why. Help please >< my work is at the bottom I used

    asked by Linda
  87. physics

    A rock is projected from the edge of the top of a building with an initial velocity of 19.6 m/s at an angle of 31 degrees above the horizontal. The rock strikes the ground a horizontal distance of 77 m from the base of the building. The acceleration of

    asked by Julia
  88. Accounting

    On June 1, Coble Company Ltd. borrows $64,000 from First Bank on a 6-month, $64,000, 9% note. The note matures on December 1. (List multiple debit/credit entries from largest to smallest.) a) Prepare the entry on June 1. b) Prepare the adjusting entry on

    asked by Kate
  89. Health

    3. Which of the following is NOT a physical change both boys and girls experience during adolescence? a. facial acne b. growth spurts c. rinse in sex hormones d. deepening of voice C or D.. 4. For teens to communicate effectively with their parents, they

    asked by mysterychicken
  90. Calculus

    Calculate the indefinite integral of ((x^3)+1)/(x^5)

    asked by Shayna
  91. Chemistry

    Calculate the amount of heat in kcal it would take to convert 1.45 mol of ice at 0 degrees C to steam at 100 degrees C.

    asked by Jess
  92. chemistry

    What is the maximum amount of ethanol (in grams) that can be produced when 1.0 kg of ethylene (C2H4) and 0.014 kg of steam are placed into the reaction vessel? Ethanol (C2H5OH) is synthesized for industrial use by the following reaction, carried out at

    asked by Amanda
  93. Chemistry

    Write equations for the dissociation of the following in water. Include physical states for all species. CaCl2 and (NH4)2SO4

    asked by Lach
  94. english

    hi everyone someone can say me if my dialogue it's good and say me also about the fault:)thnaks This scene takes place at Brian's parents home. Banks informs his wife about the call he has just had with their son "Sandra you can come and sit down next to

    asked by yuna
  95. SCIENCE

    Is water natural resources,renewable resources,or reusable resources?

    asked by Duncan
  96. Physics Energy & Acceleration

    A light spring with force constant 3.45 N/m is compressed by 7.92 cm as it is held between a 0.241 kg block on the left and a 0.482 kg block on the right, both resting on a horizontal surface. The spring exerts a force on each block, tending to push them

    asked by mR. Ba3BOOS
  97. consumer math

    Luis Giron works at the Pancake Palace from 3:00 p.m. until 12:15 a.m. 5 nights a week. If he takes a 30-minute break each evening, how many hours per week does he work? 46.25 hrs 44.75 hrs. 43.75 hrs.

    asked by tre
  98. physics

    A 5.6-kg bowling ball is accelerated from rest to a velocity of 17 m/s as the bowler covers 5.0 m of approach before releasing the ball. What force is exerted on the ball during this time?

    asked by Eddie
  99. Calculus

    In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the population of this area was 942,200, and the population was increasing at roughly 9100 people per year. The average annual income was

    asked by Nyke
  100. geometry

    Two angles

    asked by Max R
  101. Math word problem

    jack was 21 years older than kat. Together their ages totaled 161 years. What were their ages?

    asked by emily
  102. chemistry

    how do i calculate the [OH-] and [Ca2+] using the equivalence point? Then I have to calculate the Ksp for calcium hydroxide.

    asked by Kris
  103. physics

    a jet plane flying at 550 m/s makes a curve. The radius of the circle in which the plane is flying is 9.0 X 10^3 m. What centripetal acceleration does the plane experience? Express this acceleration relative to g, the acceleration due to gravity.

    asked by Dee
  104. math

    A garden has vegetables planted in a by area. The vegetables are surrounded by a border of flowers. By what percent is the area for planting vegetables increased if the border of flowers is removed

    asked by helo
  105. physics

    a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane the find the coefficient of friction when the accleration of the box is 3m/s^2

    asked by anthony
  106. calculus

    The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a triangle.

    asked by Emily
  107. Math

    I am having trouble understanding how to reduce fractions to its lowest term... All I can understand is I have to find the lowest number that will divide into both numerator and denominator. How do I understand the solution on how to reduce fractions to

    asked by Tonya
  108. Psych

    Unlike psychodynamic approaches to personality, the learning approach emphasizes what? A) latent personality structures B) Self-actualization processes C) The Outer Person D) biological traits I thin the answer is C-Outer Person but just not sure of it.

    asked by Tisha
  109. physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both boats reach the edge of a 4.8 m waterfall. The spy's speed is 16 m/s and the officials; speed is

    asked by Julia
  110. physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 5.2 m waterfall. The spy’s speed is 15 m/s and the officials’

    asked by kelly
  111. English

    This is my thesis so far for a compare and contrast essay on Se Habla Entitlement and Border on Our Backs...These two essays state the rights that the Mexicans have in the US and what issues could arise from them. I know it is not perfect. Can someone help

    asked by Nicole
  112. Math

    The perimeter of a triangle is 50. The length of the sides of a smaller, similar triangle are 5, 6, and 9. FInd the sides of the larger triangle. What steps would I take to solve this?

    asked by MR. BILL
  113. physics

    a man of 70kg carries a mass of 10kg to the top of a building 100m high.calculate work done by the man.take g=10m/s

    asked by Anonymous
  114. Please check my english hw

    The ALL CAP words are used incorrectly. Choose the best word to replace them both: 1. Success is not measured ON a person's wealth or social status, but ON how much a person contributes to the welfare of others. a. in b. upon c. about d. by The ALL CAP

    asked by ME
  115. ALGEBRA- MATH

    Avery paid $168 for a cell phone. What was the original price of the phone if he got it at a 30% discount?

    asked by MONA
  116. Science: Chem

    How many milliliters of 0.10 M HCl must be added to 52.0 mL of 0.40 M HCl to give a final solution that has a molarity of 0.25 M?

    asked by Lach
  117. geometry honor

    given a figure, writ a coordinate proof to show triangle FGH is congruent to FDC.

    asked by sherri
  118. geometry

    how do i state the theorem or postulate that is related to the measure of the angle in each pair, then find the unknown measure in m

    asked by Rylee Mills
  119. biology

    snail in the low oxygen environment what aspects of the new environment will be salient to your species and how will aspects act as selective forces

    asked by mas
  120. College algebra

    system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that

    asked by YANETH
  121. Algebra-Please check

    For the ellipse (x-2)^2/49 + (y+1)^2/25=1 List center: (2,-1) the foci: -(sqrt 74) AND +(SQRT 74,0) Major axis: x=2 Minor axis: y= -1 Vertices: (7,0) (-7,0) (0,5) (0,-5) Is this correct?

    asked by Allie
  122. Bepper

    One end of a long 26 foot ladder is on the floor and the other end rests on a verical wall the bottom end of the ladder is pulled away from the wall qt a rate of 4 feet per second. how fast is the angle formed by the ladder and the floor changing when the

    asked by Sarah
  123. geometry

    given triangle ABC is congruent to triangle PQR, AB = 38 .QR = 28 and PQ = 5x+8 . find x value

    asked by alejandra
  124. hw check eng

    1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over

    asked by ME
  125. physics

    if the following sentance true or false, also can you please write the correct version of it if false. if you want a small volume of hot water, you should place the immersion heater near the bottom of the hot water tank.

    asked by blaire
  126. Algebra 2

    An employee drove to work on Monday at 45 mi/h and arrived one minute early. The employee drove to work on Tuesday, leaving home at the same time driving 40 mi/h and arriving one minute late. a. How far does the employee live from work? b. At what speed

    asked by Anonymous
  127. Math

    There are 28 pears on 4 trees. There are the same number of pears on each tree. How many pears on each tree? If Jomel picks 10 pears, how many pears will be left on the trees? My answers: 7 pears on each tree. 18 pears will be left on the trees. Is this

    asked by Myra
  128. physics

    The drawing shows a hydraulic system used with disc brakes. The force vector F is applied perpendicularly to the brake pedal. The pedal rotates about the axis shown in the drawing and causes a force to be applied perpendicularly to the input piston (radius

    asked by jessica
  129. Math

    Which rate gives the best price for scrapbook paper? a) 10 sheets = $1.89; b) 6 sheets = $0.99; c) 5 sheets = $0.79; d) 3 sheets = $0.59

    asked by Mia
  130. Chemistry

    how many moles of acid are present in 50 mL of acetic acid?

    asked by Anonymous
  131. Predict

    In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and one worker could supply 25 people. By 1965 that number became 40 people. In 1970 it was 45 people.In 1975 it increased to 60

    asked by Bob
  132. Chemistry

    How would I get the Ice of the titration of 40.00ml of 0.100M H2NNH2(aq) having a Kb of 3.0x10^-6 by 0.100M HClO4(aq)? Trying to plot a pH curve. I know the combination of acid base is strong acid weak base

    asked by Anonymous
  133. Physics

    A rock is projected from the edge of the top of a building with an initial velocity of 19.6 m/s at an angle of 31 degrees above the horizontal. The rock strikes the ground a horizontal distance of 77 m from the base of the building. The acceleration of

    asked by Julia
  134. history

    What was the main motivating factor for European maritime expansion in the sixteenth and early seventeenth centuries? A.to spread christian valves. B.To increase economic opportunity. C.To seek out new lands for increasing populations. D.To conquer othe

    asked by anonymous
  135. university mathematics

    find the area enclosed between the following curves:- Y= lnx and y= -2x+3 and the ordinate x=3

    asked by anonymous
  136. science

    What does a maple tree do for a community? A. it creates energy B. It creates food C. It looks nice D. it stores water My answer is B.

    asked by miki
  137. social studies geography

    geography terms 7th grade need help in defintions of ; phyical map, political map thematic map legend title can you help me with this with definition or website

    asked by marko
  138. math

    After flying at an altitude of 600 meters,a hot air balloon starts to descend when its ground distance from the landing pad is 10 kilomeers.What is the angle of depression for this part of the flight?

    asked by justin
  139. business pre-cal

    Find the annual rate, r that produces an effective annual yield of 6.3% when compounded continuosly.

    asked by nan
  140. History

    What was a key discovery during the early sixteenth century that made regular trade possible across the Atlantic ocean? A.Square sails B.Longitude C.The gulf stream D.Monsoonal winds I think the answer is D. Monsoonal winds.

    asked by anonymous
  141. Calculus

    Answers to any of these questions would be of great help! (: 1 a) At noon, ship A is 150km west of ship B. Ship A is sailing south at 50km/h and ship B is sailing north at 30km/h. How fast is the distance between the ships changing at 4:00pm? b) A

    asked by Alison
  142. Physis Home work

    Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled aside until its string is horizontal and is then released from rest. It swings down and collides elastically with the other bob at

    asked by Don
  143. mathematical finance

    The yearly cash flows of an investment are(-1000,-1200,800,900,800) Is this a worthwhile investment for someone who can both borrow and save money at the yearly interest rate of 6%?

    asked by clarkson
  144. Discrete Math

    How many ways can you get a bunch of 4 books to give a friend if you have 30 books (15 novels, 10 history book and 5 math books)?

    asked by Martin
  145. Optimization (Math)

    The mayor of a village wants to build a library of which the windows have a shape of a rectangle on top of a square. The total perimeter of each window is of P meters and varies depending on each windows size. Find the dimensions of the windows in terms of

    asked by Tommy
  146. GEOGRAPHY

    According to the estimate in 2001 which country ranks first in population then second then third?

    asked by Tanya
  147. English

    What are the three prophecies made by Theoclymenus in Homer's Odyssey?

    asked by Englishstudent
  148. PREDICT

    In 1955 each farm worker in the United States produced enough food to feed 20 people. By 1960 farming methods had improved, and one worker could supply 25 people. By 1965 that number became 40 people. In 1970 it was 45 people.In 1975 it increased to 60

    asked by Bob
  149. social studies

    The economic success of the Mughals in India was dependent upon A. success of exporters. B. economic success of subjects under their rule. C. low levels of taxation. D. the success of external markets. I think it is B, but im not sure

    asked by anonymous
  150. math

    If points S, O,and N are collinear, how many lines do they determine?

    asked by Leo
  151. Calculus

    Answers to any of these questions would be of great help! (: 1 a) At noon, ship A is 150km west of ship B. Ship A is sailing south at 50km/h and ship B is sailing north at 30km/h. How fast is the distance between the ships changing at 4:00pm? b) A

    asked by Alison
  152. skills of a teachers aide

    According to the SMCR model, problems in communication can arise when the speaker fails to do what?

    asked by dianne
  153. calculus

    The hypotenuse of a right triangle has one end at the origin and one end on the curve y = (x^4)(e^-7x), with x > 0. One of the other two sides is on the x-axis, the other side is parallel to the y-axis. Find the maximum area of such a triangle.

    asked by Emily
  154. macroeconomics

    What is the World Bank advising businesses in Singapore and Hong Kong to add businesses, how to get the businesses to grow, hire employees, etc.

    asked by Dawn
  155. MATH

    system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that

    asked by YANETH
  156. health

    what are the blood types, what blood type is the most common in most humans, and what do the positive and negative signs mean?

    asked by andi
  157. physics

    a 100Nforce was applied to pull a 20 kg box up on a rough inclined plane that makes ans angle of 30. if the applied force makes an angle of 20 with the inclined plane and if the coefficient of friction was 0.4 when the accleration of the box is 3m/s^2

    asked by anthony
  158. English

    Using California as a topic, number and write one example of each of the following: 1. A completely correct simple sentence (see Grammar Glossary if you need to) with an appositive in it. 2. A sentence with redundant language. Type the redundant language

    asked by Karen
  159. chemistry

    the relative humidity in a room is 65%. assuming ideal gas behavior. what mass of water vapor is in the air at 25 degrees celsius if the room measures 4m 4m 3m? the vapor pressure of liquid water is 23.8 torr at 25 degrees celsius

    asked by miky
  160. calculus

    find all points on the curve x^2y^2+xy=2 where the slope of the tangent line is -1 I know that you have to find the derivative when it equals -1 i got y'=(2x*y^2-y)/(2x^2*y+x) (i don't know if it is correct or not) but i don't know how to go from here. any

    asked by Fredrick E.
  161. nursing

    Why is epidemiology important in the study of health and disease in communities

    asked by maria
  162. Food styles of catering

    which of the following gadgets is best for making a soft-shell shape out of butter?

    asked by Mindy
  163. Computer Science (MATLAB)

    I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value

    asked by Jhon
  164. Calculus (Derivatives)

    What is the derivative of the this functon? g(x) = -500/x, x cannot equal 0. I know that in order to fnd the derivative I need to put the function into the equation for evaluating derivatives as limits. lim as h -> 0 (f(x+h) - f(x))/h I did this, but I am

    asked by Mishaka
  165. Financing the Mission of Healthcare

    I need your analysis of two Medicare initiatives. First, Medicare keeps threatening to cut physician payments. Give me the history of this threat and what you think physicians will do in reaction. Second, is it true that Medicare will no longer pay for

    asked by ShaTonya
  166. Math

    You are bending a wire to make a coat hanger. The length of the wire is 88 centimeters, and 20 centimeters are needed to make a hook hanger. The triangular portion of the hanger is an isosceles triangle. The length of one leg of this triangle is 3/5 the

    asked by Steven
  167. algebra

    Use an associative law to find an expression equivalent to x+(y+49)

    asked by Mswiz
  168. COLLEGE

    My parents say I should be a doctor but I want to be what I want. They're forcing me to be one cause the rest of my family is. WHAT SHOULD I DO? D:

    asked by Jake
  169. statistics

    Determine the 90% confidence interval for a sample, taken from a normally distributed population, that has a mean of 685, a sample standard deviation of 74, and a sample size of 29

    asked by Tierra
  170. Ateneo

    The existentialist Kierkegaard wrote a book Either/Or. What is the connection of this with decision-making? What does he suggest?

    asked by Huyen
  171. calculus

    For what x-values does y=e^-x have the same slop as x+4y = 1 I am not sure what steps I am supposed to take to tackle this problem.

    asked by Daniel
  172. algebra

    Given the linear equation y = 4x + 2, find the y-coordinates of the points (-2, ), (1, ), and (-3, ). Please show all of your work. Plot these points and graph the linear equation.

    asked by Sharday
  173. biology

    snail in the low oxygen environment what aspects of the new environment will be salient snail and how will aspects act as selective forces

    asked by mas
  174. algebra

    Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15

    asked by nicole
  175. algebra

    Find the x- and y-intercepts for the equation. Please show all of your work. Then graph the equation 2x + 3y = 15

    asked by nicole
  176. math

    The difference between two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number?

    asked by Anonymous
  177. geometry

    One of the angles in a right triangle has a measure of 73 degrees. What is the measure of the other acute angle?

    asked by Anonymous
  178. Trig

    Find all real numbers that satisfy the equation. 2 cos x + 1 = 0

    asked by Anonymous
  179. algebra

    Find the slope of the line containing the given pair of points. If the line is undefined, state so. Please be sure to show all of your work. (1, 2) and (9, 12)

    asked by nicole
  180. English

    I left out these two sentences. Thank you very much. 1) Every noise scares Macbeth. He fears that his guilty hands will pluck out his eyes. (What does this sentence mean? 2) He would like his eyes to be removed so that he won't have to see the blood and

    asked by Henry2
  181. Chemistry

    Please help i don't get the answer. How much energy, in kilojoules per mole, is released when an electron makes a transition from n=5 to n=2 in an hydrogen atom?

    asked by Lorry
  182. math

    Every four years the value of a Chevy Cabalier is reduced by half. Purchase price $15,375 After t years of ownership: Age of car: Value: 0 15,375 4 7,687.50 8 3,843.75 If P is price after t years, Which would be a good model for the values above? a) P(t) =

    asked by Chevy
  183. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by Alexis
  184. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by Alexis
  185. university maths

    solve the following differential equation: (x^2+xy)dy=(xy-y^2)dx

    asked by anonymous
  186. english

    what is the significance of Athena turning into birds throughout the Odyssey?

    asked by Englishstudent
  187. math

    James invested $4,000 at 5% interest per year; how long will it take him to earn $200 in simple interest?

    asked by iris
  188. math - algebra

    f(t) is an exponential function with f(0) = 200 and f(3) = 2000. a) Use the form f(t) = Pe^rt to find the equation of this exponential function. b) In the form f(x) = Pa^x, a is the growth factor. find the growth factor. c)What input value gives an output

    asked by alexis
  189. Calc-please help!

    What is the second derivative of (x^3)/(x^2-1)? And how would I accurately graph both the derivative and the second derivative of this function?

    asked by Haley
  190. algebra

    5x_=230

    asked by Emma
  191. Chemistry

    Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)

    asked by Matt
  192. math

    The circumference of a circle is 75.36meters. Estimate the radius [c#=2Πr]

    asked by rashawn
  193. physics

    Water at 50 degrees C can be obtained by mixing together which one or more of the following combinations? Which of the others would have final temperatures higher than 50 degrees C and which lower than 50 degrees C? What will be the final temperatures for

    asked by fifii
  194. math

    find the radius and co-ordinates of the center of the circle: 2x^2+2y^2+x+y=o

    asked by choice
  195. civics/american history 10th grade

    How does the Constitution provide for the system of federalism in the American form of government?

    asked by GABBY:)
  196. math pre cal

    What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded continuosly?

    asked by fred
  197. math

    Can you please help explain this problem? Maurice says that a(square)+ b(square)=(a+b)(a+b). Is this always true, never true, or sometimes true? Explain.

    asked by christy
  198. Ashford

    Beth gives Megan $2 allowance a week. Then she takes Megan shopping and allows her to select what she wants to buy. If the item desired costs more than $2, Megan's mother suggests she save her money until she has enough saved to pay for the desired item.

    asked by D
  199. calculus

    Find the smallest positive value of x which satisfies 1.400cos(1.000x) Give answer in four decimal places for accuracy.

    asked by Anonymous
  200. Algebra

    8x-12=3x+38 what is X?

    asked by Max R
  201. ecology

    what is the single most important determination of plant distribution?

    asked by chris
  202. English- Scarlet Letter

    Hester thought there was three changes that need to be made before young women were able to take there stand next to men as equals. What are the three chnges she was referring to? Relate this philosophy to today's society. Use specific examples. Which of

    asked by Jake
  203. Math

    Find the missing number. 5/15 = ?/3 Is 1 the correct answer?

    asked by Rebekah
  204. Calculus

    f(x) = sin^2(x/2) defined on the interval [ -5.683185, 1.270796]. Remember that you can enter pi for \pi as part of your answer. a.) f(x) is concave down on the interval . b.) A global minimum for this function occurs at . c.) A local maximum for this

    asked by Anonymous
  205. math

    find an equation of the tangent line to the curve at the given point: y=sqrt(1+x^3), (2,3)

    asked by robert
  206. algebra

    0.1x + 0.6y >/ 2

    asked by Anonymous
  207. Math

    Find the first two zeros of the function y=sin(4x+20) (in degrees) for x > 0, and the value of y at x=9.

    asked by Arielle
  208. science

    What are some social, economic, aesthetics, and ethical issues involved in a current environmental controversy?

    asked by len
  209. collge calculus

    find an equation of the tangent line to the curve y= x(x)^(1/2) that is parallel to the line y=1+3x

    asked by Anonymous
  210. Mathj C30

    Solving Equations Containing Circular Functions : Solve 2cosx sinx + sinx = 0 when x is between 0 and 2pi

    asked by don
  211. Organic Chem

    How would I assign priority to 1,2-dimethylcyclopropane?

    asked by Jay
  212. algebra

    A bycicle store costs 2,800 per month to operate the store pays an average of 45$ per bike the average selling price of each bycicle is 125 $ how many bycicles must the store sell each month to break even?

    asked by Anonymous
  213. math

    F(x) = /x-2/ (absolute value) Please show me to to graph this equation.

    asked by Jane
  214. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin
  215. algebra inequalities

    can you check these tell if the number after the: color is a solution x < 7; 7 i say yes p > -3;3 i say yes k is greater than or equal to 5; 0 i say no 3z is less than or equal to 12;4 i say yes n - 5 > 3; 6 i say no 2g + 8 is geater than or equal to 3;-1

    asked by marko
  216. calculus

    H(x)=2xCUBED+8XSQUARED+8X+5

    asked by Anonymous
  217. math

    The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 172 and a variance of 9. The material is considered defective if the breaking strength is less than 163 pounds. What is the probability that a single,

    asked by Kristen
  218. math

    determine the value of N: N/20 * 100%=60% can someone explain

    asked by Jazmin
  219. Computer Science (MATLAB)

    I had a test in my computer science course in which I was asked if any while loop can be replaced with a for loop. I put true. I guess the answer was false. My professor said that if you had a while loop in which you asked the user to input a certain value

    asked by Jhon
  220. math

    true or false the product of 6 and 48 is 12 less than 300 how do i figure this out

    asked by makayla
  221. Please check my english hw

    The ALL CAP words are used incorrectly. Choose the best word to replace them both: 1. Success is not measured ON a person's wealth or social status, but ON how much a person contributes to the welfare of others. a. in b. upon c. about d. by The ALL CAP

    asked by ME
  222. Science

    What are two changes in weather patterns caused by el nino that can cause disasters?

    asked by Theresa
  223. history

    The state that Europeans came to eye like greedy creditors around a rich man's deathbed was the _______ Empire. A. Ottoman B. Russian C. Austrian D. Persian I'm not sure what the answer is.

    asked by anonymous
  224. algebra

    Write the equation for this situation: the value, v, in hundreds of dollars, of Bob’s stamp collection is 12 dollars more than 1/3 of the age, t (in years). Then graph the equation and use the graph to determine the value of Bob’s coin collection if it

    asked by Sharday
  225. statistics

    The time necessary to assemble a discount store display is normally distributed with μ = 5 minutes and σ = 30 seconds. A large number of potential employees are timed assembling a practice display. How much time (in minutes) should the personnel manager

    asked by Sarah
  226. Culture

    What are some reasons why some people would belive that the Day of the dead celebration is wrong?

    asked by Kayla
  227. math's

    how do you check a Pascal's triangle with a calculator.

    asked by louise
  228. algebra

    determine if (-5/6, -1) is a solution to 6x-5y= -10 show work

    asked by nicole
  229. algebra

    Given the linear equation y=-3/5x-4, find the y-coordinates of the points (-5, ), (0, ), and (5, ). Please show all of your work. Plot those points and graph the linear equation.

    asked by sharday
  230. English

    Could you please check these sentences I varied from a summary I made two weeks ago. Thank you very much. 1) Lady Macbeth asks Macbeth to return the daggers he has mistakenly brought from the scene of the murder. Then, she urges him to wash the blood form

    asked by Henry2
  231. algebra

    Video game company hires gamers to test a new adventure game. The number of levels completed by an average gamer is given by L = 60/(3+17e^-0.1t) where L is the number of levels completed after t hours of playing. a) How many levels is a gamer expected to

    asked by Nabil
  232. math's

    how do you add together all the number's up to 100, Quickly though.

    asked by louise
  233. Computer Networks

    In 1000BASE-X, a frame of 64 bytes is fi rst block coded with 8B/10B before transmitting. Suppose the propagation speed is 2 × 10 8 . What is the frame “length” in “meters”? (Suppose the cable is 500 m long.)

    asked by Modou
  234. Algebra

    Can a radical be negative when the index is even?

    asked by Kelly
  235. chemistry

    Two students Mac & Cheese, were arguing about covalent and ionic bonds. Mac says that covalent bonds could be compared to a good marriage. Do you think one has a better comparison than the other or are both of them equally right ?

    asked by Brionna
  236. sentences

    what sentence can i write using the word encircling

    asked by jennifer white
  237. math

    CAN YOU HELP ME ? WHAT ARE THE TWO HAND ON THE CLOCK CALLED. THE LONG ONE AND THE SHORT ONE. THANK YOU ALEXIS LAANG

    asked by alexis
  238. math

    how many gallons would be left after 10 seconds?

    asked by sam
  239. Spanish

    How would I say "Fishing fascinates me"

    asked by Jodi
  240. chemistry

    a solution of lead(2)nitrate is added to hydrochloric acid. A precipitate is formed in a double displacement reaction Question:how to balance this equation problem

    asked by james
  241. math

    Mack’s hourly wage is raised from $12.10 per hour to $13.35 per hour. He works 40 hours per week. How much more does he earn per week at this new rate?

    asked by Anonymous
  242. Help

    help solve 7^(11/13)

    asked by Katie AA
  243. Algebra

    Is this radical expression true or false? 28 minus 4th root of 2 equals 24th root of 2

    asked by Kelly
  244. physics

    You are an astronaut (m = 80 kg) and travel to a planet that is the same mass and size as Earth, but it has a rotational period of only 11 h. What is your apparent weight at the equator of this planet?

    asked by tamara
  245. History

    The french philosopher Voltaire was attaked to confucianism because he? A.believed it promoted universal access to education. B.Regarded It as substitute for organized religion. C.Found it full of material he could ridicule in his satirical writings.

    asked by anonymous
  246. Hospitality & Tourism

    1. Create a rank-ordered list of best practices concerning total quality management (TQM) that would be applicable to all hotels. Please provide specific examples. 2. From the perspective of hotel management, determine which aspect of managing employees

    asked by Brenda
  247. early childhood education

    a childs ability to jump for distance is an example of a)agility b)flexibility c)explosive power d)reaction time i put b am i correct a child who has to struggle to climb into a chair is confronting an.......... hazard a)biological b)physical c)ergonomic

    asked by abby
  248. math

    I need to find the power for the base Android exponents 7to2

    asked by rashawn
  249. Help

    Simplify 7^(11)/7^(13)

    asked by Katie AA
  250. math

    X+6=-18 how to solve problem

    asked by rashawn
  251. math

    4×-7=-19 how to show all work

    asked by rashawn
  252. English

    What does this means? What if what I think is great, really is great. But not as great as something greater?!"

    asked by Pyria
  253. Physical Sciene

    A cannon is fired horizontally from a top of a 15-m platform. What is the cannon balls horizontal speed when it hits the ground 250 m downrange?

    asked by Diana
  254. science

    how do you tell till and outwash plains apart?

    asked by Anonymous
  255. math

    2+4×3×=42 show all work

    asked by rashawn
  256. Social STUDIES

    Which state has the highest average annual precipitation?

    asked by Mya
  257. math

    Please help me with these 1. -5/c = 1/3 2. k/8 = -2/5 3. 6/z = -3/5 Thank you

    asked by JOSH
  258. math

    -5(5+4×)=-5 show all work

    asked by rashawn
  259. Elevation

    What type of map would you use to identify landforms and elevation?

    asked by Clark
  260. math

    In Jamison's backpack, he only keeps nickels and quarters. He has 30 coins in all. How many of each coin does he have? Show work.

    asked by Cindy
  261. Algebra

    (5y-3)/3 - (2y-1)/2=1 note: the divide signs are the fraction bars. -5(-2(x-1) - (x+1))=9 .08n-.09(n-2)=5-.08 -2(3-(x-1)+3x) + 2(x-3-5(x-3)-x)=10 please show me how you got the answers thanks

    asked by Eliza
  262. SRA Math

    The rectangular region shown has been divided into nine square regions, all different in size. The area of square 3 is 64 cm. The area of square 5 is 81cm. what is the area of the rectangle?

    asked by Fatimah
  263. Math

    Write the fraction as a mixed number. 38/3 Is 12 2/3 the correct answer?

    asked by Tonya
  264. math

    Explain why one column in a hundredths grid is equal to one column in a tenths grid?

    asked by Christian
  265. English

    I write a moral delima story could you please read it and give your idea about the below story In the 50s; before the black people use their rights. There was a man called Momo he was from America in an organization called the klu klux klan (kkk) it was a

    asked by manal HELP ME
  266. Physis Home work

    Two 0.85Mtrs -long pendulums hang side by side. The masses of the pendulum bobs are 50g and 70g . The lighter bob is pulled aside until its string is horizontal and is then released from rest. It swings down and collides elastically with the other bob at

    asked by Don
  267. Math

    Danny gave Rose $28 less than she already had. She now has $120. that means Rosario originally had how much????

    asked by Mj
  268. physics

    A 130g ball moving at 0.35m/s in the x-direction is subject to a 0.25N force in the - y-direction for 1.0s. Find the magnitude of the ball's momentum change.

    asked by Don
  269. writing sentences and paragraphs

    need your Opinion please before submitting assignment Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to

    asked by Ruth
  270. medical

    accreditation affect the practical activities of record management in hospitals

    asked by laura
  271. math

    for F(x) = /x-2/ (absolute value) When you graph this problem, does it have a straight line or a "v" line?

    asked by Jane
  272. Spelling

    What is a spelling triangle

    asked by Kha
  273. algebra

    what is rule for this function input 0,1,3,4 and range 4,3,1,0

    asked by ann
  274. math

    i am having trouble with two digit dividends. here is an example 34 divided 264

    asked by julia
  275. Calculus

    What is the second derivative of (x^3)/(x^2-1)?

    asked by Haley
  276. english

    where do i put commas in this sentence?many children were absent on moanday and Friday

    asked by sads
  277. English

    How do you call a meeting of teachers headed by the school principal? Thank you. I need to include the correct word in the following sentence. 1) I really hope that the teachers' conference will approve/welcome/agree with/ the decision of a partnership

    asked by Henry2
  278. pre-calc

    If the initial investment of 1000 doubles in value in 9.8 years find the rate for continous compounding. so the formula would be A=Pe^rt but where do the numbers go and how do u solve it? Thanks!

    asked by cade
  279. math

    What is the future, rounded to whole dollars, of $25,000 after 7 1/2 years, if money earns at an annual rate of 5.75% compounded continuosly?

    asked by nan
  280. Math

    Find lim θ→0+ A(θ)/B(θ)

    asked by Isabel
  281. English

    I agree with your correction but as I found the following sentence in an Italian book I just wanted to know if, in your opinion, an English mother-tongue expert could have written it. She is such a one-sided character, however, as (?) never to hesitate.

    asked by Henry2
  282. Math C30

    Solving Equations Containing Circular Functions : Solve 2cos sq x =1

    asked by don
  283. economics

    I need a quote for a positive and normative statement

    asked by lisa
  284. human resources

    which of the following terms describes the formal process to identify and document a workers contribution and workplace behavior a)performance appraisal b) performance factor c) performance incentive d) performnace limitation

    asked by mike
  285. math

    Johns football game last for 50 minutes. What reduced fraction of an hour is that? Can someone please explain to me how to solve this question?

    asked by Mindy
  286. algebra

    can you please help me with these 1. -5/c = 1/3 2. k/8 = -2/5 3. 6/z = -3/5

    asked by JOSH
  287. Homework check english

    1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over

    asked by ME
  288. art

    whats 14.9% as a decimal?

    asked by barbra
  289. VBA EXCEL

    I was wondering I have 3 input boxes and with one of them I need the information put into this equation. What type of VBA CODE do I use to put this information in the equation is w=1/tp Where w is input frequency Tp is process time constant I know that I

    asked by Angel
  290. Anatomy

    Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They don't just want to have a shot at making the team; they feel they can be starters if they are well conditioned. Zeke is 6'7" and about 188 pds, and

    asked by Holly
  291. Steph

    Buffers work by converting _____ to ____.

    asked by Chemistry
  292. Speech

    Hi I am needing help on how to do a power point on a persuasive speech presentation. I'm going to talk about how important it is to further our education. Can someone please help. Thank you

    asked by Anonymous
  293. calculus

    How long will it take an investment that pays 5% compunded annually to double in value?

    asked by eliza
  294. calculus

    find all points on the curve x^2y^2+xy=2 where the slope of the tangent line is -1 I know that you have to find the derivative when it equals -1 i got y'=(2x*y^2-y)/(2x^2*y+x) (i don't know if it is correct or not) but i don't know how to go from here. any

    asked by Fredrick E.
  295. algebra

    In 600 minutes how many machines travel a distance of 103,700 mm at a speed of 300 mm/minute?

    asked by Rebecca
  296. math

    Your industry currently employs 3,800,000 workers. If this labor force is growing expotentially at an annual rate of 2.3% how long will it be before the number of employees reaches 5,000,000?

    asked by nan
  297. Anatomy

    Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They don't just want to have a shot at making the team; they feel they can be starters if they are well conditioned. Zeke is 6'7" and about 188 pds, and

    asked by Holly
  298. math

    how do you find the slant asymtote of f(x) = (x^3)/(x^2-1) ?

    asked by Haley
  299. biology

    how reliable are tests for drugs in sport?

    asked by lissa
  300. biology

    find a drug scandal within a sportig event and write some notes about it.

    asked by lissa
  301. Math C30

    using unit circle solve: 2cos sq x =1

    asked by don
  302. English

    I still have a few doubts on the use of infinitive and gerund. I hope you can check these sentences, too. 1)It took a lot of time for Jane to arrive.(is it wrong to say "It took Jane a lot of time to arrive?") 2) Why not go to the theatre, instead? (Is it

    asked by Henry2
  303. None of my questions are being answered

    I need serious help for the questions i put on here and no one is helping me? ive tried using different names, subjects and said please and thank you and no one has yet helped me. I'm not impressed by this. Thanks but no thanks for the help.

    asked by Jake/cabe/eliza
  304. Math

    The perimeter of a triangle is 50. What steps do I need to take to find the length of the sides?

    asked by Will
  305. Math C30

    Equations containing circular functions and unit circle... solve 2cosx sinx + sinx = 0

    asked by don
  306. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin
  307. math- check please

    1) True/false: For any real number x, ln e^x = x. I think that is true. 2)true/false: (2 ln x)/ ln 10 = ln x^2 - ln 10 for all positive x. I think this is true too.

    asked by Stephanie
  308. English

    I left out the following two sentences I varied. Thank you very much! 1) Macbeth hears a supernatural voice telling him that in murdering Duncan he has deprived his life of sleep. 2) He compares sleep to an innocent murder victim, to someone who repairs

    asked by Henry2
  309. phsyics

    A traveler takes a trip with a reluctant pack mule. He finds that he has to exert a constant 470 N horizontal force on the mule to keep the mule moving at a constant speed of 0.9 m/s for a distance of 1.8 km across a horizontal plane. Compute the amount of

    asked by Austin
  310. Geography

    Where do rivers begin or have their source?

    asked by Jesse
  311. Math Challenge Check

    I am playing a dice game with my friend Kyle. Each of us roles a standard six-side die obtaining a number at random from 1 to 6. What is the probability that my number is greater than Kyle’s number? Answer below was posted last night. Is the answer

    asked by Please Help
  312. math

    A company has plans to increase its sales at the rate of 6% per year. If the sales of the company in 2001 were $23 million, how much sales can you expect the company to make in the year 2003?

    asked by cindy
  313. statistics

    what does a 78 percent mean in a home work

    asked by victoria
  314. Ateneo

    What did Augustin tell us about how we should make decisions

    asked by Huyen
  315. biology

    please can you answer the following questions in as much dephth as possible. why do people use drugs? what are the effects (short & long) of use of hard drugs? the cannabis debate- what is cannabis and why do people use it? what are the risks involved with

    asked by blaire
  316. statistics

    Determine the 90% confidence interval for a sample, taken from a normally distributed population, that has a mean of 685, a sample standard deviation of 74, and a sample size of 29

    asked by Tierra
  317. Physics

    The main factor that determines the properties of an image produced by a converging lens is A) the shape of the object. B) the color of the object. C) the size of the object. D) the position of the object relative to the lens. E) the bending strength of

    asked by Amari
  318. Math- integration

    Find the area bounded by x^(2/3) and x= y^2 in the first quadrant. (I've worked out the x intercepts to be 0 and 1 in the first quadrant, but how would I find the area?) thanks :)

    asked by Candice
  319. Physical Science

    Based on a data table of their preliminary observations, which is shown below, complete the final column entitled: “Number of Valence Electrons” and then answer the questions that follow. Element Name Symbol Group Number Alkalininium A 1 Earthium E 2

    asked by Jill
  320. science

    What term almost always describe top consumers. A)herbivores B)omnivore C)carnivores D)decomposer

    asked by miki
  321. math

    Can you please show me the steps to work this problem? 2(4+6)+4(2-3)=

    asked by christy
  322. science

    In the United States, we are fortunate to have an abundant supply of food, and much of this is due to our agricultural technology. However, there are many concerns about our food source, including genetically modified crops, the use of more chemicals, and

    asked by Lisa
  323. business law

    Can anyone help me with this question. when you mediate with the clients what are the advantages and disadvantages of not having a lot of information. I thought since you a a neutral party the amount of information doesn't matter. Please help me.

    asked by R.T.
  324. math

    Which is the correct symbol to make the resulting inequality true? 4 4/3 > 4 1/2 Or 4 4/3 < 4 1/2 What does this mean?

    asked by Ruby
  325. physics

    Once a 15 kg crate is in motion on a horizontal floor, a horizontal force of 56 N keeps the crate moving with a constant velocity. The acceleration of gravity is 9.81 m/s 2. What is µk, the coefficient of kinetic friction, between the crate and the

    asked by Anonymous
  326. mathTonyaMath

    Multiply; then reduce to lowest terms 5 1/2 • 3/4 Is the correct answer 4 1/8 ?

    asked by Tonya
  327. physics

    the two upper front teeth of a person exert a total force of 30 N on a piece of steak.IF THE BITING EDGE OF EACH TOOTH MEASures 10mm x 1 mm,find the pressure on the steak

    asked by asembi
  328. math

    determine the value of N: N/20 * 100%=60%

    asked by matthew
  329. Math

    L=Ph for h

    asked by Schuyler
  330. algebra

    the perimeter P of a square is four times the length of ones side s, or P=4s. Is (1455) a solution of this equation? If not, find a solution that uses one of the given values

    asked by jacky
  331. HOMEWORk check english

    1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over

    asked by ME
  332. math

    the total cost of manufacturing 100 cameras per week is 700 $ and 120 cameras per week is 800 $ ,the the cost equation ,assuming it to be linear is

    asked by anthy