Questions Asked on
March 11, 2014

  1. Calculus

    Two people start from the same point. One walks east at 5 mi/h and the other walks northeast at 7 mi/h. How fast is the distance between the people changing after 15 minutes? (Round your answer to three decimal places.)

    asked by Nick
  2. English - help Poe

    1. The words "jingling, tinkling" in line 14 of "The Bells" are NOT an example of ? A.repetition ***** B.assonance C. consonance 2. Which if the following sentences uses an adjective in the positive degree? A. The whole coast was beaten by harsh

    asked by Cassie
  3. science(check answers)

    please check my answers 1. B 2. A 3. D 4. A 1.B 2.A 3.D 4.A 1.All renewable resources are inexhaustible A.true B.false 2.Some fuels,called biofuels,are made from plants.They are used in cars and other machines biofuels would fit best in which of the

    asked by matt
  4. science(check answers)

    1. A 2. C 3. A 4. D 1. Coal, oil, and natural gas are inexpensive sources of fuel which do not cause pollution when used. A. true B. false 2. One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many

    asked by matt
  5. English Answer Check--Please, help me!

    Underline the clauses in the following sentences. Identify each as an adverb clause or a noun clause. 1. When _he discovered the data were corrupt_, Swift knew he had to do something. A: Adverb clause. 2. Henderson belived that _any Multivac provided_ was

    asked by Anonymous
  6. Physics 141

    A 45.0-kg skater is traveling due east at a speed of 2.85 m/s. A 72.5-kg skater is moving due south at a speed of 7.35 m/s. They collide and hold on to each other after the collision, managing to move off at an angle θ south of east, with a speed of vf.

    asked by dakota22
  7. physics

    A tennis ball (m= 0.2 kg) is thrown at a brick wall. It is traveling horizontally at 16 just before hitting the wall and rebounds from the wall at 8 , still traveling horizontally. The ball is in contact with the wall for 0.04 s. What is the magnitude of

    asked by anonymous
  8. physics

    A bug rides on a phonograph record. In which direction does the change in velocity of the bug point? A. toward the center of the record B. tangent to the circular path C. away from the center of the record D. up I thought C.away from the center of the

    asked by anonymous
  9. physics

    What is the change in velocity if a car traveling 30{m}/{s} north slows to 20{m}/{s} north? A. 20{m}/{s} north B. 10{m}/{s} north C. 30{m}/{s} south D. 10 {m}/{s} south

    asked by anonymous
  10. chemistry

    A 125.0 mg sample of an unknown, monoprotic acid was dissolved in 100.0 mL of distilled water and titrated with a 0.050 M solution of NaOH. The pH of the solution was monitored throughout the titration, and the following data were collected. Determine the

    asked by Mohanad
  11. physics

    Starting from rest, a 2.1x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, the ground exerts an average upward force of 0.37 N on it. This force does 1.5x10-4 J of work on the flea. (a) What is the flea's speed when it

    asked by Anonymous
  12. physics

    Which of the following could be considered to be an 'accelerator' in an automobile? A. brake pedal B. gas pedal (choose this one but says wrong) C. steering wheel D. All of these can cause the car to accelerate.

    asked by anonymous
  13. Chemistry

    A solution contains 0.00245 M HCl. Determine the [H3O+] for the solution. points Determine the [OH-]

    asked by Sara
  14. chemistry

    cuso4.5h20 + 2c2h5no2 = cu(gly)2.h20 moles of cuso4.5h2o produced is 12mmoles moles of glycine poriduced is 16.5 mmoles. which is the limiting reagent?

    asked by nera
  15. English 9 - HELP!

    1. The small boat was scudding into the open sea with a full sail. (1 point) getting stuck sinking deeply moving swiftly rocking harshly 2. As an outdoor enthusiast, Kristina abhorred the fact that people left debris along the hiking trail. (1 point)

    asked by Abby
  16. math. plzz help

    calculate the slant height for the given square pyramid. Round to the nearest tenth. Pyramid base= 6cm height=5 cm 6.2 cm 5.8 cm 7.8 cm 7.2 cm Calculate the length of the diagonal for the given rectangular prism. Round to the nearest tenth. Length= 10 cm

    asked by anonymous
  17. math

    2. How is the graph of y = –2x² – 5 different from the graph of y = –2x²? (1 point) It is shifted 5 units up. It is shifted 5 units down. It is shifted 5 units left. It is shifted 5 units right. 3. A model rocket is launched from a roof into a

    asked by Anonymous
  18. physics

    A solid lead sphere of radius 10 m (about 66 ft across!) has a mass of about 57 million kg. If two of these spheres are floating in deep space with their centers 20 m apart, the gravitational attraction between the spheres is only 540 N (about 120 lb). How

    asked by anonymous
  19. physics

    If you double the radius of a sphere, its volume increases by what factor? A. 8 B. 6 C. 2 D. 4 I thought maybe C.2 or D.4

    asked by anonymous
  20. physics

    If Earth's mass were suddenly and magically reduced to half its present value, the Sun's gravitational force on Earth would A. be reduced by a factor of 2. B. be reduced by a factor of 4. C. increase by a factor of 2. D. remain the same. I was told it

    asked by anonymous
  21. Chemistry Urgent

    A calorimeter contains 32.0mL of water at 13.0∘C . When 2.30g of X (a substance with a molar mass of 82.0g/mol is added, it dissolves via the reaction X(s)+H2O(l)¨X(aq) and the temperature of the solution increases to 30.0∘C . Calculate the enthalpy

    asked by Anna
  22. science(check answers)

    1.True 2.A 3.B 4.C 5.C 6.B 7.C 8.D 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while

    asked by matt
  23. US History

    Define beatnik.Why was such a person dissatisfied?

    asked by Anonymous
  24. Science Help PLEASE!!

    1. What happens to the levels of surface water and groundwater during a drought? Surface water and groundwater levels increase during drought. Surface water and groundwater levels decrease during drought. There is no change in the levels of surface water

    asked by Ally
  25. Algebra

    Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = -1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, -1/4, -1/2 and

    asked by Student
  26. human biology need help

    The Golgi body receives proteins from the (A) __________, "packages" those proteins and "ships" them to other areas of the cell, or to the (B) ________ for secretion.

    asked by Ann
  27. math

    if four out of every seven individuals in a population of armadillos carry a gene for a defective enzyme, how many individuals carry the normal gene in a population of 869 armadillos?

    asked by Mario
  28. physics

    A 600-kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite? A. 13.8 N B. 90.9 N C. 138 N D. 909 N

    asked by anonymous
  29. Liberal Arts Math II

    How long is the perimeter of a snowflake island? A) it is the same as the area B) it is infinite C) 2 times the height D) 3 times the height

    asked by Lynn
  30. human biology please help

    The Golgi body receives proteins from the (A) __________, "packages" those proteins and "ships" them to other areas of the cell, or to the (B) ________ for secretion.

    asked by Ann
  31. math

    slove for ^x x^2-3x-18=0

    asked by WINSTON
  32. Math

    What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot

    asked by Anonymous
  33. Math

    What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot

    asked by Anonymous
  34. science

    2. Alex, a fresh graduate chemical engineer, started his job by a mission requested by his boss. He was supposed to prepare a small amount of ethylene in the lab, to use it later for polyethylene synthesis. His boss, OE, also known as “The Monster” did

    asked by haha
  35. chemistry

    How many grams of calcium carbonate are required to prepare 50.0 grams of calcium oxide? CaCO3-> CaO + CO2

    asked by Kendra
  36. probability

    urgent till 3 pm i have in colombia¡ 1 Alice has five coins in a bag: two coins are normal (i.e., fair with one face Heads and the other face Tails), two are double-headed (i.e., both sides are Heads), and the last one is double-tailed (i.e., both sides

    asked by Sakura1
  37. probability

    To get a complete collection of stamps, Ann needs to have 5 specific (and different) kinds of stamps, denoted by k1, ... k5 . She starts out with no stamps. She then receives 5 stamps randomly from a lottery. Each of these 5 stamps has probability 1/5 of

    asked by Sakura1
  38. US History

    as population increases the borders of Boston?

    asked by Rosa
  39. Math

    jared's football team lost a total of 12 yards during 4 plays of the game. They lost the same number of yards during each of the plays. What is an integer to represent it?

    asked by Ashley
  40. Language Arts!

    What kind of argument is used when an author compares water usage in the United States to water usage in poor countries. appeal to emotions appeal to ethics appeal to reason My answer: B

    asked by Emily
  41. physics

    The escape velocity of a bullet from the surface of planet Y is 1695 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.37 times that of Y, and its radius is 0.887 times the radius of Y (in m/s).

    asked by Marie
  42. Human biology please help

    Sequences of chemical reactions, called metabolic pathways, can be sped up, or catalyzed, by (A) __________ , which are made mostly of (B) ___________.

    asked by Ann
  43. Math - please help

    Ling is three times as heavy as her packed suitcase. Her suitcase is 20 pounds heavier than her knapsack. The weights of Ling, her suitcase, and her knapsack total 170 pounds. How much does each weigh? Identify a variable, set up an equation, and solve.

    asked by ava
  44. Physics

    A car with a mass of 900 kg moves along a road at a 89 km/hour at equal speed. On the road is a curve with a radius of 250. a) What is the force in the curve between the tires and the road if the road is horizontal? b) What inclination is the best for that

    asked by Physics
  45. Algebra

    Simplify the expressions and solve the equations 1. 2√3 - √12 My answer: 2√3 - 2√3 = 0 2. √(5p + 5)^2 = √(6p + )^2 I got the answer p = 4 3. √(28) + √(63) + √(175) This one seems so simple. I tried multiple times, but I can't seem to get

    asked by Student
  46. Chemistry

    At pH 3.85, which of the following is true? A.[lactic acid] > [lactate ion] B.[lactic acid] < [lactate ion] C.[lactic acid] = [lactate ion] At pH 11.61, which of the following is true? A.[lactic acid] = [lactate ion] B.[lactic acid] < [lactate ion]

    asked by chelsey
  47. Math

    If each voter voted for only one candidate what is the fewest number of voters who would have to vote differently in order for Susan to have received more votes than James if Susan had 212 votes and James had 244 votes?

    asked by Tom
  48. MATH - CONFUSED!!!

    5/12 = -2/3 c The answer is c=-5/8 I can't figure out how they got this answer. Please show and explain the work. Thank you.

    asked by andra
  49. Chemistry

    How do I balance the following reaction in acidic conditions? N2O4 + S8 = NO + H2SO3????

    asked by Nicole
  50. Math algebra

    1) Charlie plans to sell twice as many magazine subscriptions as Patrick. If Charlie and Patrick need to sell at least 100 subscriptions in all, what inequality could be used to determine how many subscriptions, x, Charlie needs to sell? I really don't

    asked by Anonymous
  51. chemistry

    In the laboratory a student finds that it takes 20.7 Joules to increase the temperature of 11.0 grams of solid platinum from 20.5 to 35.8 degrees Celsius. What is the specific heat of platinum she has measured.

    asked by grace
  52. math

    if venom A is three times as potent as venom B and venom C is 2.2 times as potent B. How much more potent is venom C compared to venom A?

    asked by Mario
  53. physics

    A pole-vaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3900 J. What is his weight?

    asked by Anonymous
  54. Statistic Please Check

    Check this out please Thanks Lesson 3 Unit 2 Probability Couplements, Disjoint Events and the addition Rule 1.M&M candies are great for probability. The following tables are the color distributions for the candies. Fill in each table with the missing

    asked by bowershe
  55. Physics

    A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table. The block slides into and compresses a 180-N/m spring a distance of 0.15m before stopping the block and bullet. Determine

    asked by BULTURP
  56. Help

    What is an example of bias in media? a website that presents a controversial opinion as though it were fact a television news program that presents both sides of a particular issue a podcast expressing an author’s opinion a blog about the history of the

    asked by anonymous
  57. Math

    How would you factor x^4-81?

    asked by Anonymous
  58. Math

    What is the solution of x-(-14)=8

    asked by Mike
  59. physics

    A sled is being pulled across a horizontal patch of snow. Friction is negligible. The pulling force points in the same direction as the sled's displacement, which is along the +x axis. As a result, the kinetic energy of the sled increases by 47.5 percent.

    asked by Anonymous
  60. Algebra

    what is x when x=.10(100-x)

    asked by Georgia
  61. physics 1

    The model airplane in Figure 5.6 is flying at a speed of 13.6 m/s on a horizontal circle of radius 19.1 m. The mass of the plane is 1.20 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.6 m. The plane speeds up,

    asked by Anonymous
  62. Math

    When given that the attendance to Taylor Swift concerts had been decreasing at a rate of 2% from 2009-2013. If the average attendance at her concerts in 2013 was 20,480 what would be the attendance in 2009? Also, what would be the domain and range?

    asked by Anonymous
  63. Math

    What is the solution of: u-7+(-3)=-12

    asked by Sara
  64. physics 1

    A 64.4-kg skateboarder starts out with a speed of 1.95 m/s. He does 119 J of work on himself by pushing with his feet against the ground. In addition, friction does -260 J of work on him. In both cases, the forces doing the work are non-conservative. The

    asked by Anonymous
  65. Math

    Jared's football team lost a total of 12 yards during 4 plays of the game. They lost the same number of yards during each of the plays. What is an integer that can represent the number of yards lost during each play?

    asked by Carl
  66. physics

    An ashtray slides across a table with a speed of 0.9 and falls off the edge. If it takes 0.4 s to reach the floor, how far from the edge of the table does the ashtray land?

    asked by anonymous
  67. maths

    Mark inherits R1000000 from his late from his late uncle he invests the money at an interest rate of 14% per annum compounded monthly he wishes to earn a monthly salary from the investment for a aperiod of 20 years starting in one months time how much will

    asked by Awe
  68. Chemistry

    You have a vinegar solution you believe to be 0.8 M. You are going to titrate 21.39 mL of it with a NaOH solution that you know to be 0.774 M. At what volume of added NaOH solution would you expect to see an end point? Answer in units of mL

    asked by Sara
  69. English Answer Check--Please, help me!

    Underline the clauses in the following sentences. Identify each as an adverb clause or a noun clause. 1. When _he discovered the data were corrupt_, Swift knew he had to do something. A: Adverb clause. 2. Henderson belived that _any Multivac provided_ was

    asked by Anonymous
  70. physics

    Two air-track gliders are held together with a string. The mass of glider A is twice that of glider B. A spring is tightly compressed between the gliders. The gliders are initially at rest and the spring is released by burning the string. If glider B has a

    asked by anonymous
  71. physics

    A friend is making an iMovie and wants your help designing a skateboard stunt. You estimate that your friend�s mass is four times greater than that of the skateboard. For the following questions, ignore friction. In one scenario, your friend starts by

    asked by anonymous
  72. biology PLEASE HELP

    The __________ (the cell’s outer border) controls the movement of materials into and out of the cell. It is called a lipid bilayer because of the type of molecules it is made up of and it has two layers

    asked by Ann
  73. physics

    A father (m= 90 kg) and son (m= 45 kg) are standing facing each other on a frozen pond. The son pushes on the father and finds himself moving backward at 3 after they have separated. How fast is the father moving?

    asked by anonymous
  74. Social Studies

    what are the advantages of privatization of Government Owned and Controlled Companies (GOCC)in a country?

    asked by Anne
  75. Physics

    A hiker shouts towards a vertical cliff 305 meters away. The echo is heard 1.85 seconds later. How fast did the sound wave travel in air?

    asked by Anonymous
  76. Physics

    A group of swimmers is resting in the sun on an off shore raft. They estimate that 2.9 meters separates a trough and an adjacent crest of surface waves on the lake. In addition, they count 12 crests that pass by the raft in 16 seconds. What is the Period

    asked by Anonymous
  77. Gr 11 - math linear systems

    Word problem: School is raising money for scholarships, with the goal of $16,000. The plan is to sell event tickets for $10, and give each person in attendance a ball cap. The cost of the caps is $2 each. Other expenses add up to $2,000. The organizing

    asked by iza
  78. Social Studies

    I have to explain how does Pierre Elliot Trudeau's ideals meats the reality in 200 words? So can you give me some ideas about how should I write it?

    asked by Tommy
  79. Math

    Find the missing dimension of the cylinder. Round your answer to the nearest whole number. 1. Volume = 84 in.^3 r = 6 in. h = ? 2. Volume = 650 cm^3 r = 8 cm h = ?

    asked by Anonymous
  80. algebra

    Show all steps Find the value of y fora given value of x if y varies directly with x If y =-252 when x=84, what is y when x=74?

    asked by snow
  81. chemistry

    A solution prepared by mixing 16.7 mL of 0.760 M NaCl and 16.7 mL of 0.760 M KI was titrated with 0.380 M AgNO3 in a cell containing a silver indicator electrode and a saturated calomel reference electrode. (a) What is [Ag+] when 16.2 mL of 0.380 M AgNO3

    asked by Bobz
  82. math

    it says a inspector found flaws in 13 out of 150 sweaters. find the probability that a sweater has a flaw. round to the nearest tenth of a percent

    asked by jalen
  83. Heat Transfer

    A hollow tube having an inside diameter of 2.5 cm and a wall thickness of 0.4 mm is exposed to an environment at h=100 W/m2¨¬C and T¡Ä =40¨¬C. What heat generation rate in the tube will produce a maximum tube temperature of 250¨¬C for k =24

    asked by RHS
  84. Chemistry

    In neutralization reactions, acid + base ¨ salt + water HCl can be neutralized with NaOH. How many moles of NaOH will it take to neutralize 0.68 L of 0.29 M HCl? Is there a formula that I need to use here?

    asked by Sara
  85. L.A.

    Has anyone here read A Retrieved Reformation? I have to write a dramatic scene about a conflict in that story. What conflicts can I use?

    asked by Anonymous
  86. science

    Can u unscramble these letters into a word? ATSETLECTOICNP

    asked by kelena
  87. probability

    Let X and Y be normal random variables with means 0 and 2, respectively, and variances 1 and 9, respectively. Find the following, using the standard normal table. Express your answers to an accuracy of 4 decimal places. 1 P(X>0.75)= 2 P(X≤−1.25)= 3 Let

    asked by JuanPro
  88. Calculus

    Can someone help me with finding the derivative of this function? y = -( csc x)2 (cos-1(1-x2))

    asked by June
  89. probability

    Random variables X and Y are distributed according to the joint PDF fX,Y(x,y) = {ax,0,if 1≤x≤2 and 0≤y≤x,otherwise. 1 Find the constant a. a= 2 Determine the marginal PDF fY(y). (Your answer can be either numerical or algebraic functions of y). For

    asked by JuanPro
  90. Calculus Check my answer

    Find the area between the curves y= x^2/2 +2 and y = –x – 3 on the interval –4 ≤ x ≤ 4. I got 40/3 is that correct?

    asked by Ryan
  91. algebra

    what is the variance for the set of data 22,30,13,20,20

    asked by terrence
  92. physics

    If a ball is dropped from rest, it will fall 5 m during the first second. How far will it fall during the second second? A. 15 meters B. 10 meters C. 5 meters D. 20 meters the way the question is worded it seems it should be 10meteres but I think it wants

    asked by anonymous
  93. Calculus

    Can you tell me if im doing this right? Find the volume of the region obtained by revolving the area below about the line x=3. y=x3, x=2, y=0 v=pi[2,0] (x^3)^3dx= pi[2,0] x^9 v=pi/10 x^10(2,0)= 1024/10 pi

    asked by June
  94. science

    3. Liquefied air (assuming it is only O2 and N2) is kept in a container where pressure and temperature can be controlled. a. What is the maximum temperature at which the mixture exists as a liquid? If this temperature is kept constant, what is the minimum

    asked by haha
  95. Physics 141

    A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the wagon, rider, and rock is 93.0 kg. The mass of the rock is 0.320 kg. Initially the wagon is rolling forward at a

    asked by dakota22
  96. physics

    Your instructor rides on a merry-go-round turning at a constant rate. In which direction does the net force on your instructor point? A. away from the center B. toward the center C. down D. tangent to the circular path I choose D.tangent to the circular

    asked by anonymous
  97. Science

    what mass of sulphuric acid must be added to a 750 ml to have a ph of 2.27

    asked by Liam
  98. physics

    22. On the surface of a certain planet, there is one unit of gravitational force exerted on every 0.4 units of mass. The gravitational field strength on this planet has numerical value A. 0.4 B. 2.5 C. 1.6 D. 1 C.1.6 is wrong

    asked by anonymous
  99. Algebra

    1. √(9y - 196) + √196 = √49 My work: I squared all 3 roots and got 9y - 196 + 196 = 49 The - 196 + 196 cancels out and we are left with 9y = 49. divide 49 by 9. = 49/9. I'm pretty sure this is wrong. Can you show me where I messed up? 2. √x(√9 -

    asked by Student
  100. algebra

    Show all steps Determine whether y varies directly with x if so find the constant of variation k and write the equation? X line is y line is 4. 6.4 7. 11.2 10. 16 13. 20.8

    asked by snow
  101. Social studies***help***

    please answer i need help which of the following is the greatest threat to the island's natural resources

    asked by dalia
  102. Calculus

    A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline and its light makes three revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from P? (Round your answer to

    asked by Nick
  103. physics

    Under what conditions is mass conserved? A. Whenever the system is isolated or closed. B. Only when the change is a chemical one. C. Always. D. Only when the change is a physical one. I was thinking A.

    asked by anonymous
  104. science

    if electrons are caused to fall through a potential difference of 100000 volt,determine their final speed if they were initially at rest.

    asked by akhilesh
  105. Math

    Could someone please help me solve this radical equation of 2x+7-2=x It's suppose to have the radical sign but I don't know how to put it on here. Thank you

    asked by Pam
  106. physics

    Carmen is standing on a giant skateboard that is initially at rest. If we ignore frictional effects with the floor, what is the momentum of the skateboard if Carmon walks to the right with a momentum of 500 ? A. 500 to the right B. 500 to the left C. zero

    asked by anonymous
  107. Physics 141

    A mine car (mass mcar = 444 kg) rolls at a speed of vcar = 0.52 m/s on a horizontal track, as the drawing shows. An mcoal = 141 kg chunk of coal has a speed of vcoal = 0.79 m/s when it leaves the chute. Determine the speed of the car-coal system after the

    asked by dakota22
  108. math

    x^2+x-18=0 quadratic equation slove for x

    asked by WINSTON
  109. Physics

    The figure(Figure 1) shows a solid metal sphere at the center of a hollow metal sphere. Assume that E=1.2×104N/C. What is the total charge on the exterior of the inner sphere?

    asked by Allison
  110. chemstry

    How many grams of CaCl2 would be dissolved in 1.4 L of a 0.11 M solution of CaCl2?

    asked by yanely
  111. chemestry

    How many grams of CaCl2 would be dissolved in 1.4 L of a 0.11 M solution of CaCl2?

    asked by yanely
  112. math studies

    A rhombus has diagonals of lenth 12 cm and 7 cm respectively. Find the larger angle of the rhombus

    asked by sam
  113. chemistry

    95.0mLmL of H2O\rm H_2O is initially at room temperature (22.0∘C\rm{} ^{\circ}C). A chilled steel rod at 2.0∘C\rm ^{\circ}C is placed in the water. If the final temperature of the system is 21.3∘C^{\circ}C, what is the mass of the steel bar? Specific

    asked by Anna
  114. math

    Brittany has a gift box in the shape of a cube.Each side of the box measures 15 cm. What is the volume of the gift box?

    asked by Anonymous
  115. Calculus Help

    Find the derivative of the following function showing your work and fully simplifying your answer. f(x)=(8x-3)^5/(6x+7)^12 Thank you!!!

    asked by Layla
  116. Chemistry Urgent

    95.0mL of H2O is initially at room temperature (22.0∘C ). A chilled steel rod at 2.0∘C is placed in the water. If the final temperature of the system is 21.3∘C , what is the mass of the steel bar? Specific heat of water = 4.18 J/g⋅∘C Specific

    asked by Anna
  117. math

    The voltage (in volts) induced in a coil of wire is v = (2t + 1)^0.5. The current in the coil is initially 0.3 amps, and the inductance is 5H. What is the equation for the current in the coil?

    asked by Jacob
  118. History8

    The __________________led to the rise of a middle class in America. a.Immigration to America b.Industrial Revolution c.The shipping industry d.All of the above D?

    asked by purplebananas
  119. Spanish Help

    1. En nuestra escuela, muchos estudiantes quieren ser miembros del ________. A. consejo estudiantil B. orquesta C. piano D. contributor I said A 2. ¿En qué actividades extracurricular participas tú? ________ todos los martes. A. Tocas en la banda B.

    asked by Eri Uchi
  120. Math

    The data shows how a family budgets it's weekly income. It uses percentages and weekly bills in dollars. Which graphs could you choose to display your data? I think the circle graph because your using percentages, and maybe a line graph

    asked by Anonymous
  121. Chemistry

    What is the pH of a solution whose [H3O+] is 9.2× 10^−9 M?

    asked by Sara
  122. Chemistry

    Determine the pH of a 1.2×10^−2 M solution

    asked by Sara
  123. Math

    Claudia weighed her puppy each moth. Explain which data display you would use to show the puppy's growth and why you think this is the best method of displaying the data. A line graph because it shows change over time

    asked by Anonymous
  124. science(check answers)

    1.D One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many places C. it is a fossil fuel D. it cannot be used up

    asked by matt
  125. Chemistry

    3. How does dissolved CO2 in distilled water affect the accuracy of the determination of a NaOH solution's concentration? The CO2 in the distilled water will create a more acidic solution which will affct the determination of NaOH solution's concentration?

    asked by Sandy
  126. science(check answers)

    i don't think the answer could be A. so i pick B. One reason people around the world use coal as an energy source is: A. It is nonrenewable. B. it can be found many places C. it is a fossil fuel D. it cannot be used up

    asked by matt
  127. History8

    what happened in Europe that drove so many people to the United States

    asked by purplebananas
  128. Chemistry

    A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks!

    asked by Cheyenne
  129. Chemistry

    A 247 lb fullback runs the 40 yd dash at a speed of 17.09 ± 0.1 mi/h. (a) What is his de Broglie wavelength (in meters)? (b) What is the uncertainty in his position? ** I found part A but I am unsure how to use this information to get part B. Any help is

    asked by Amanda
  130. Science

    May someone please explain the process of respiration of animals.

    asked by Juanita
  131. Chemistry check and help

    what is ... Sodium bisulphate hydroiodic acid ammonium dihydrogen phosphate Zn(HCrO4)2 Calcium metal ferrous bromide sodium carbide phosphate radical Check... sodium bicarbonate NaHCO3

    asked by Sam
  132. Precalculus II

    Find the inverse of: f(x) = -5 +11arccos(7^x - 9) Find exactly all the real solutions for each of the following equations. a. Sin(x) = - square root 3/2 b. 1 + cos(3x-pi/4) = 1/2

    asked by hfx
  133. Geometry

    A car tire rotates when you drive. How is this type of rotation different from a rotation in Geometry? What other type of transformation is happening to the car tire? Thanks!

    asked by Ismary
  134. URGENT physics

    M1 is a spherical mass (38.6 kg) at the origin. M2 is also a spherical mass (10.3 kg) and is located on the x-axis at x = 59.8 m. At what value of x would a third mass with a 20.0 kg mass experience no net gravitational force due to M1 and M2?

    asked by Marie
  135. URGENT physics

    The escape velocity of a bullet from the surface of planet Y is 1695 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.37 times that of Y, and its radius is 0.887 times the radius of Y (in m/s).

    asked by Marie
  136. Integral

    Find the Laplace transforms of the following functions. f1(t) = integral 0 from t (cos(t-a)*(sin(a))da

    asked by Fatih
  137. Math

    Rey is playing a game. For every 2 steps forward he takes, he takes one step back. Complete the function table to show Rey's steps. Then write an equation for the function table. F 2-4-6-8-10 B _ _ _ _ _

    asked by Jake
  138. english

    Bill Gates didn't _______ ( seem )like a shoe-in for success after dropping out of Harvard and starting a failed first bussiness with Microsoft co- founder Paul Allen ______ ( Call ) Traf O- Data . While this early idea didn't work , Gates ' later , ______

    asked by kumar
  139. History8

    German immigrants were more likely than Irish immigrants to a.take low-paying jobs. b.be Catholic. c.settle in rural areas. d.arrive penniless.

    asked by purplebananas
  140. chem

    between Rn, CO2, CO, O2, Ar, N2 which is most abundant in the troposphere?

    asked by coll
  141. Chemisty

    Hydrocarbons are important fuel that we burn for many different reasons. a. what is a hydrocarbon? b. rank these hydrocarbons by the number of carbons the contain: propane, methane, butane, octane, ethane.

    asked by Jaclyn
  142. Spanish Help please

    1. Aquí están las diapositivas. ¿Dónde está el _______________? A. sacapuntas B. sujetapapeles C. bufet de ensaladas D. proyector I said D 2. ¿Traes los papeles de la oficina? Sí. Aquí ______ tienes. A. las B. los C. lo D. la I said B 3. ¿Cuándo

    asked by Eri Uchi
  143. marketing

    davis is a producer of seasoning powder for quick preparation of food.By 2012 there are nine varieties of seasoning powders.The marketing objectives of the company are to contribute to the dietary life of consumers and also diversify its products to

    asked by marikent
  144. Chemistry

    A student walks at a brisk 3.50 mi/hr. Calculate the student's speed in yards/minute. I have 4 questions just like this one. Could you tell me step by step on how to do the double conversions? Thanks!

    asked by Cheyenne
  145. math

    Suppose p(x) is a twice-differentiable function such that p(1) = 3, p'(1) = 0, and p”(1) = -2. Which of the following is true? there is a relative maximum at p(1) = 3 there is a relative minimum at p(1) = 3 there is a point of inflection at p(1) = 3 none

    asked by lilly
  146. US History

    I have googled and can't find what "Village in Between" means. Any idea where else I can look?

    asked by Sue
  147. Math

    Line LM is the mid-segment of rectangle ABCD. AB=72 and DC=104. What is LM? A.176 b. 88 c.98 d.32

    asked by Sierra
  148. Social Studies

    How does Pierre Elliot Trudeau's idealism meets the reality? 150 words

    asked by Tommy
  149. Math

    Line LM is the mid-segment of rectangle ABCD. AB=x+8, LM = 4x+3, and DC=243. What is the value of x?

    asked by Sierra
  150. English

    What is the significance of the title "In the heat of the night"? What does the last chapter(chapter 14) conclude about the underlying racial issue; the furtherance of the romantic plot?

    asked by Bethany
  151. math

    5 x 3^n a)15,30,45,60 b)5,15,45,135 c)0,15,45,135 d)15,45,135,405

    asked by victoria
  152. English Project

    This is a final project In accordance to the book In the Heat of the NGht by John Ball. -must create a newspaper that contains an article basically stating the murder mystery in the book, 2 ads and another article irrelevant to the story that depicts the

    asked by Bethany
  153. Verb - Check

    Because someone accidentally pushed Frank as he walked down the street, he nearly dropped his papers and lost them in the wind. In the sentence above, which verb is the irregular verb? •lost •walked •pushed***** •dropped

    asked by Mindy
  154. chemistry

    Titration was used to determine the molarity of acetic acid in vinegar. A primary standard solution of KHP was used to standardize the NaOH. 1. When performing this experiment, impure KHP was used to standardize the NaOH solution. If the impurity is

    asked by Sandy
  155. Math

    Minnie is painting her walkin closet. Each gallon of paint covers 275 square feet. The closet is in the shape of a right rectangular prism. The floor is 9 feet wide and 7 feet long. The ceiling is 8 feet high. How many gallons of paint should Minnie buy to

    asked by Meg
  156. Social Studies

    To what extent do you think that Pierre Elliot Trudeau was the right man for his time? 200 words

    asked by Tommy
  157. algebra

    I'm confused. Can you help? "The community pool charges $8.00 for adults and $5.00 for children. The total revenue for a particular cloudy day is $648.00. Determine the number of adults and the number of children who went to the pool that day if twice as

    asked by Gaby
  158. physics

    A stationary horn emits a 151 Hz tone. What frequency is heard by a passenger on a train which is moving towards this horn with a speed of 28.7 m/s?

    asked by utl
  159. Math

    What kind of graph would you use to show the number of twins born each year? I think a line graph Would you use a line plot or bar graph to display a survey of what teens do for entertainment after school? I think line plot

    asked by Please Help
  160. physics

    A bat moving with a speed of 3.55 m/s and emitting sound of 34.0 kHz approaches a moth at rest on a tree trunk. What frequency is heard by the moth? Calculate the frequency heard by the moth when the speed of the bat is 5.55 m/s.

    asked by utl
  161. U.S. History

    TRUE OR FALSE (The First World War) 1. Until 1915, most Americans thought of the war as a European conflict that would have little effect in the United States. 2. Big Berthas were massive ships used to transport German troops. 3. The Treaty of Versailles

    asked by Anonymous
  162. English

    1. On the school boat, there were 40 seats for older children in the front and benches for little children at the back. 2. On the school boat, there were 40 seats for older children at the front and benches for little children in the back. 3. In the school

    asked by rfvv
  163. Algebra

    Hi. 1. I have a right triangle here. I know that I am to use the Pythagorean Theorem: a^2 + b^2 = c^2. In this case, side a is (x + 4) and b is x. The hypotenuse is 4 + (x + 4) So here we have the equation: (x + 4)^2 + x^2 = 4 + (x + 4)^2. I need to find

    asked by Student
  164. English

    I'm writing a personal essay for an internship. Is everything in this essay clarified? Where can I expand? I don't know about you but I like living. And in order for me (and those who proceed me) to live a nice, long and happy life, we have to do something

    asked by Tierra
  165. Algebra 1

    How many two-digit numbers have a tens digit that is greater than the units digit?

    asked by Lam
  166. PHYSIC

    A pole-vaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3900 J. What is his weight?

    asked by Anonymous
  167. biology

    I'm doing a lab report for a cellular respiration experiment. My experiment involves blowing/exhaling CO2 into Bromothymol blue solution until it turns yellow, then adding drops of Nh3 (ammonia) to turn it back to its original blue color. I'm seeing if the

    asked by maya
  168. english

    How can doctor and teacher can be independent, have achievement, recognition and affection?

    asked by jessina
  169. ph

    A 64.4-kg skateboarder starts out with a speed of 1.95 m/s. He does 119 J of work on himself by pushing with his feet against the ground. In addition, friction does -260 J of work on him. In both cases, the forces doing the work are non-conservative. The

    asked by Anonymous
  170. math

    What will be the next lotto draw, given that this was the last draw? 11-22-9-75-78

    asked by fada
  171. math

    When an F14 fighter jet takes off, its wings are 110 degrees from the line of flight. To reach its maximum speed, the wings pull to a back position that cretes an angle from the line of flight that is 22 degrees less than a straight angle. Moving at 0.5

    asked by Viking
  172. math

    Suppose that 4 people sit in 4 chairs in a circle. How many different new seating arrangemens are possible if each person can move 1 chair to the left or right or remain as is and if 1 person must be in each chair?

    asked by Viking
  173. math

    Monic and Matt are moving cross-country using a rented truck. Monica will drive the truck, and Matt will drive their car. After travelling 285 miles, they stop for gas, which costs $3.49 per gallon. Both vehicles start with a full tank of gas. Monica putss

    asked by Viking
  174. English 1

    We have to write a paragraph in the boy's point of view from a excerpt of a story we read in class. He is a Jewish boy being hung from whatever he did. It doesn't say. How can I write how he felt and be descriptive? Help!!

    asked by Victoria Mueller
  175. business

    prepare an argument opposing the following statement: "The first priority of any business is to its shareholders. It is not environmental protection- that is the role of government" i need some starter points to get me started on this question, thanks

    asked by celina
  176. math

    A vehicle having a mass of 1.5tonnes is standing on an incline of 18degree to the horizontal.Determine the components of its weight parallel and perpendicular to the road surface.

    asked by rory
  177. science

    What personality traits do you think this hexaco inventory measured? answer in detail

    asked by acehood123
  178. science

    How accurately do you think your best friend or a close family member would be able to answer these questions about you? Are there some aspects of your personality that are more private than others? answer in detail regarding hexaco inventory

    asked by acehood123
  179. k

    A pole-vaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3900 J. What is his weight?

    asked by Anonymous
  180. science

    Are there important aspects of your personality that were not addressed by this questionnaire? If so, which ones? just make up something. answer in detail regarding hexaco inventory

    asked by acehood123
  181. english

    a restrictive clause is one that

    asked by denise
  182. math

    If X varies inversely with Y and X=8 when Y= 10, find Y when X=6 Answer choices are A: y= 3/20 B: y= 4.8 C: y= 7.5 D: y= 40/3

    asked by Amber
  183. PHYSICS

    The model airplane in Figure 5.6 is flying at a speed of 13.6 m/s on a horizontal circle of radius 19.1 m. The mass of the plane is 1.20 kg. The person holding the guideline pulls it in until the radius of the circle becomes 10.6 m. The plane speeds up,

    asked by Anonymous
  184. Math

    XY= -25 what is the constant of variation for this relationship? a. 1/4 b. -25 c. -2.5 d. -0.4

    asked by Brittany
  185. math

    While calculating the mean of 100 students was found to be 40 but when examined by another person it was found that number 53 was taken as 83.Find the correct mean

    asked by Sanjog gc
  186. Algebra 1

    Why does your body go into shock when you jump in cold water

    asked by Katy
  187. Math

    Write a multiplication equation that has a solution of 2/7

    asked by Anonymous
  188. Math

    Write a division equation that has a solution of -20

    asked by Anonymous
  189. health care

    I have to do a debate on breaking bad news medically. I have the con side to it. Can you recommend some sites

    asked by Vicky
  190. Math

    Ling is three times as heavy as her packed suitcase. Her suitcase is 20 pounds heavier than her knapsack. The weights of Ling, her suitcase, and her knapsack total 170 pounds. How much does each weigh? Identify a variable, set up an equation, and solve.

    asked by ava
  191. Essay

    Make A Difference Essay; Hook: "We cannot do everything, but we can do something." states Dillon Burroughs Transition: (Do I need one or is this okay?) Thesis: I believe everyone can make a difference.

    asked by Navpreet
  192. english

    what is a concrete noun

    asked by sienna
  193. Chemistry: Freezing point depression

    What is the free sing point of a solution of ethyl alchohol, that contains 24g of the solute (C2H5OH), dissolved in 780 g of water

    asked by Matt
  194. Algerbra

    How do I factor: w3-3w2-18w

    asked by Ashford
  195. Statistics

    An industrial engineer has found that the standard household light bulbs produced by a certain manufacturer have a useful life that is normally distributed with a mean of 250 hours and a variance of 2500. (a) What is the probability that a randomly

    asked by bappy
  196. chemistry

    i need help with writing nomenclature for the formula and the compounds examples: Sodium bisulphate hydroiodic acid ammonium dihydrogen phosphate Zn(HCrO4)2 Calcium metal ferrous bromide sodium carbide phosphate radical liquid mercury plumbic oxide auric

    asked by Sam
  197. Math (check answers)

    please check these 4.B 5.B 4.what is the side length of a square with an area of 64 m2? A.32 m B.8 m C.128 m D.64 m 5.what is the length of rectangle with an area of 12 yd2 and a width of 3 yd A.8 yd B.4 yd C.9 yd D.21 yd

    asked by matt
  198. Pre cal

    In a sinusoidal,function, how do you determine whether or not y= sin4(x) has a period of 2 pi If it is equal to 2 pi then what is a sinusoidal function that is not equal to 2 pi

    asked by Lannah
  199. math

    an analysis showed that 0.06% of the t-shirts made by one company were defective. a student says this is 6 out of every 100. what is the students error

    asked by chaim
  200. Science :(

    Which of the following describes the correct sequence of events during the water cycle? precipitation → condensation → evaporation → runoff condensation → precipitation → runoff → evaporation runoff → condensation → evaporation →

    asked by anonymous
  201. physics

    M1 is a spherical mass (38.6 kg) at the origin. M2 is also a spherical mass (10.3 kg) and is located on the x-axis at x = 59.8 m. At what value of x would a third mass with a 20.0 kg mass experience no net gravitational force due to M1 and M2?

    asked by Marie
  202. Chemistery

    A hot air balloon with a volume of 3.20 x 10^3 L and 120 moles of air is at a temperature of 20C. How many moles of air will the balloon contain if it expands to 4.80 x 10^3 L and the air is heated to 45C?

    asked by Garrett
  203. physics

    A 50-kg box is being pushed a distance of 7.1 m across the floor by a force whose magnitude is 175 N. The force is parallel to the displacement of the box. The coefficient of kinetic friction is 0.19. Determine the work done on the box by each of the four

    asked by Anonymous
  204. Chemistry

    Calculate the H3O+ concentration present in water under the following conditions. Enter your answer in scientific notation. [OH-] = 2.8 x 10-7 M [OH-] = 8.8 x 10-3 M [OH-] = 2.4 x 10-11 M

    asked by Amber(:
  205. chem

    Calculate the pH of a solution in which a. [H3O+] = 7.8 x 10-7 M b. [H3O+] = 5.1 x 10-6 M c. [H3O+] = 6.1 x 10-5 M d. [H3O+] = 9.3 x 10-4 M

    asked by chelsey
  206. Chemistry

    Sometimes the basicity of a solution is reported using pOH (pOH = -log[OH-]). What is the a. [OH-] if pOH = 1.90 b. [H3O+] if pOH = 12.94 c. pH if pOH = 9.70

    asked by chelsey
  207. Math

    What is the first natural number that is a perfect square and a perfect cube? Can you find the second? The third?

    asked by Meg
  208. Algebra

    Okay, I have a graph of a sq root function. I'm told to write the radical function for f(x). Some points on the line are (1,-2) and (5,0). I know you probably can't help me a whole lot, but if you can give me any insight into how to figure this problem

    asked by Student
  209. physics

    Find the speed of a satellite in a circular orbit around the earth with a radius 2.69 times the mean radius of the earth; Radius Earth= 6.37E+3km; Mass Earth= 5.98E+24kg.

    asked by Marie
  210. Algebra

    How many real number solutions does the equation have? y=-4x^2+7x-8 A. no solutions B. one solution C. two solutions D. infinitely many solutions I think it is C..? How many real number solutions does the equation have? y=2x^2-20x+50 A. no solutions B. one

    asked by Cassie
  211. Math

    Solve: -23m-(-35m)= -48

    asked by kris