Questions Asked on
February 21, 2016

  1. Math

    find the derivative or f'(x) F(x)= √X+h - √x /h

    asked by Nicki
  2. Math Pre-Cal (Exponential Functions)

    A house was valued at $110,000 in the year 1985. The value appreciated to $145,000 by the year 2005. -What was the annual growth rate between 1985 and 2005? Assume that the house value continues to grow by the same percentage. -What did the value equal in

    asked by Gio
  3. algebra or algebra1

    ( x 7^ ( − y 8^ z 5^ ) 2 ^) 3 simplify

    asked by pink
  4. Physics

    A 10.0-g marble slides to the left with a velocity of magnitude 0.400 m/s on the frictionless, horizontal surface of an icy New York sidewalk and has a head-on, elastic collision with a larger 30.0-g marble sliding to the right with a velocity of magnitude

    asked by Anonymous
  5. algebra or algebra1

    f ( x ) = | x − 6 | 7 − x , then f ( − 1)

    asked by pink
  6. algebra or algebra1

    A man invests 10,000 dollars in two accounts, the first yielding 4 percent annual interest and the second, 5 percent. If x dollars is invested in the first account, how much annual interest does the man earn on his investement

    asked by sea
  7. Science

    There is generally more life found in the sunlit part of the ocean closer to the continents than there is in the open sea farther from the continents. Therefore, the open sea is sometimes called the blue dessert. Why is this? Thanks.

    asked by Geek Girl
  8. algebra or algebra1

    One of the factors of 3x^2+18x+24

    asked by sea
  9. Art

    Which of the following elements was not visible in Constable's artwork.

    asked by Hyper Shadic
  10. Math Pre-Cal (Exponential Functions)

    The federal minimum wage was raised to $1.00 per hour in 1956. It was raised to $2.00 per hour in 1974. If it had continued to increase at this same exponential rate, what would it be in 2016? I tried working this problem and got ~$10.08 for 2016. I'm not

    asked by Earl
  11. Physics

    A stone is whirled at the end of a rope 30cm long,makes 10 complete revolution in 2 seconds.find (1)the angular velocity in radians per seconds.(2)the linear speed (3)the distance

    asked by Abba
  12. physcis

    a girl throws a ball vertically upward with a speed of 20 ft/sec from the roof of a building 60 ft high.(a)how long will it take the ball to reach the ground? (b)what will its speed be when it strikes the ground?

    asked by charles
  13. math

    The density function for a femur can be modeled as ρ(x)=80+πcos(πx)+3x grams per centimeter, −25≤x≤25. (a) Calculate the total mass of a femur. (b) Find the center of mass of a femur.

    asked by ken
  14. Math Fractions

    Warren read 1/6 of the pages of a book last Monday. Tuesday he read 2/5 of the remainder of the pages. Wednesday he read 1/3 of the remaining pages. He has 60 more pages left to read. How many pages does the book have?

    asked by Carlos
  15. math

    The park currently contains 20 wolves and the park rangers are introducing additional wolves at the rate mt(12−t) wolves per month, 0≤t≤12 for some constant m>0 to be determined. However, the park rangers are concerned about damaging the current

    asked by anne
  16. Science

    What impact does storage of elastic energy have on the efficiency of hopping?

    asked by Mel
  17. sphy011

    A football game costumarily begins with a coin toss to determine who kicks off. The referee tosses the coin vertically upwards with an initial velocity of 5m/s and it takes 1.02s for it to be in the air. In the absence of air resistance 1.How high does the

    asked by Kate
  18. Math Algebra

    There are numbers whose sum is 50. Three time the 1st is more than twise the second.? please solve

    asked by ALLAH UDDIN
  19. Chemistry

    A 10.3g sample of an elemental gas has a volume of 58.4L at 758torr when the temperature is 2.5 C. Determine the identity of the gas.

    asked by Sam
  20. Algebra

    please help with this : Consider the expression x^2-4x-12 and determine the values of x for which 1/x^2-4x-12 is undefined

    asked by Mntlane
  21. science

    Express the value of time in s.I units 2hours 35 seconds I tried multiplying but gave me wrong answers and objectives are 7200 3600 9300 2100

    asked by kelvin
  22. Maths

    The product of two numbers is 16/3.If one of them is -4/3 , find the other ?

    asked by Ishita
  23. math

    How long will a man take to go one round a circular track of radius 4.2m.if he runs at an speed of 6km\h.

    asked by abhishek saini
  24. Physics

    (a) Two go-karts, A and B, travel around two circular tracks of radius 5 m and 10 m, respectively, each in 10.34 s. Does A or B have the greater acceleration? Which has the greater speed? (b)If instead the two go-karts travel around the two tracks at the

    asked by Supansa
  25. Physics

    A particle moves in three dimensional space as an equation r= (t^2+1.34t)i^+(3.34t-2)j^+(2t^3-4t^2)k^ where is in unit of meter and in second. a.Sketch the path of this particle b.Calculate velocity at t=2 s c.Calculate acceleration at t=2 s

    asked by Supansa
  26. english

    the party was in the garage,what is the verb in this sentence?

    asked by phodiso
  27. Science

    Expression for bernaulli theorem

    asked by Rahul
  28. Life orientation

    Identify three courses or study fields you are interested in following after grade 12 write them down in order of preference (3).Provide two reasons why you find this a suitable course for each (6)

    asked by keletso
  29. Math

    Solve: (1-√3tanθ)+1+√3 = √3sec^2θ Where (0≤θ≤360)

    asked by Rabin
  30. Science

    If a cell undergoes mitosis every six hours, how many cells will there be in all after seven days?

    asked by Anonymous
  31. FS

    what difficulties did the teacher experience?

    asked by mischelle
  32. science

    when whould electric current flow through a conductor

    asked by Anonymous
  33. maths

    if the 8th term of an AP is 37 and the 5th term is 15 more than the 12th term. find the AP. hence find the sum of the first 15 terms of the AP.

    asked by manisha
  34. pre algebra

    the typist typed end of page 8 till the end of page 50. what would the pages be.

    asked by beatriz
  35. math

    Johnny Mac's Sporting Goods bought a baseball glove from Rawlings Sporting Goods for $66.00. They want to mark up the glove 70% on selling price. What should Johnny's sell the glove for? A. $113.22 B. $179.82 C. $246.42 D. $220.00 Help my answer is wrong I

    asked by debbie
  36. Math

    The smallest package weighed only 1/3 more than 1/2 the weight of the heaviest package. If the two packages combined weighed 100 kilograms, how much did the smaller package weigh?

    asked by Jose
  37. Math

    if vectors a+2b and 5a-4b are perpendicular to each other and a and b are unit vectors. Find the angle between a and b.

    asked by Rabin
  38. Chemistry

    Gasoline, which can be represented by the formula octane, bulk density is 704 g/l. To estimate the variation in enthalpy when burning 28.5 liters gasoline, based on the binding energies: 0 = 0 (117 kcal); C = 0 (173 kcal); 0 h (111 kcal); C-C (83 kcal);

    asked by Nayara
  39. Math

    Mr. Beti was born in 1809 A. D. In the year x*x A. D. he was x-3years old. Find the value of X.

    asked by Vaishnavi
  40. chemistry

    WHICH OF THE FOLLOWING IS TRUE FOR AN ACID? A. IT PRODUCES EFFERVESCENCE WITH BAKING SODA B. IT TURNS UNIVERSAL INDICATOR BLUE.

    asked by vidya
  41. Life orientation

    Identify any three causes of human trafficking in South Africa.

    asked by Anonymous
  42. Genetics, HELP!!!

    Planet X, a recently discovered planet, contains life forms that have double-stranded DNA as the genetic material. The DNA on Planet X is transcribed into RNA which is translated into protein. Planet X DNA contains only two bases: guanine (G) and cytosine

    asked by Zack
  43. Genetics!!

    What is the function of a eukaryotic promoter sequence?

    asked by Zack
  44. physics

    a uniform beam 6.0m long and weighing 4kg on support of p and q placed let and right 1.0m from each end of the beam

    asked by joseph
  45. physics

    weights of man 10kg and 8kg are placed near p and q respectively one each end of the beam calculate the Reactions at p and q. [1kg is 10N]

    asked by joseph
  46. Art

    Which of the following is NOT an element of impressionistic painting.

    asked by Hyper Shadic
  47. Modern World Studies - Check Answers - (Ms. Sue)

    I will be proving my answers with the textbook "World Studies: Western Hemisphere" Which U.S region has the smallest states? A. West B. Midwest C. Northeast******(pg.250) D. South 2) Because of the nearly unbroken chains of cities that runs from Boston to

    asked by Geek Girl
  48. LIFE ORIENTATION

    EXPLAIN ANY 4 REASON WHY IT IS DIFFICULT TO STOP HUMAN TRAFFICKING.

    asked by KUNENE S'PHESIHLE
  49. john

    Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4

    asked by Anonymous
  50. Art

    Claude Monet lived in A. Spain B. Hungary C. France D. America

    asked by Hyper Shadic
  51. statistics

    Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4

    asked by vicke
  52. math

    Jake worked 12 more overtime hours than Smith one week. If Jake worked 8 overtime hours for every 6 overtime hours that Smith worked, for how many hours of overtime did each person work? Round your answer to the nearest tenth of an hour if necessary.

    asked by Mrs. C
  53. Art

    True or false: Monet created the majority of his work in his own garden.

    asked by Hyper Shadic
  54. life orientation

    Six practical actions that you can take to address human rights violation of xenophobia in your community ?

    asked by Keyarah
  55. civic education

    Limitations to human rights not less than six.

    asked by idris jemilat
  56. physics

    A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at

    asked by lisa
  57. physics

    A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward

    asked by lisa
  58. physics

    A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket. N

    asked by lisa
  59. physics

    A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and

    asked by mark
  60. physics

    7.–/3 points SerCP9 4.P.063.My Notes Question Part Points Submissions Used A box rests on the back of a truck. The coefficient of static friction between box and bed of the truck is 0.355. (a) When the truck accelerates forward, what force accelerates

    asked by mark
  61. physics

    A 4.00 kg block is pushed along the ceiling with a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal, as in the figure below. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction

    asked by mark
  62. English (Check)

    For each noun listed, write one sentence using the singular possessive form and another using the plural possessive form. 1. passenger Singular Possessive: The passenger's seat was uncomfortable during the entire flight. Plural Possessive: The passengers'

    asked by Victoria
  63. physics

    A block of mass m = 5.4 kg is pulled up a θ = 24° incline as in the figure with a force of magnitude F = 35 N. (a) Find the acceleration of the block if the incline is frictionless. m/s2 (b) Find the acceleration of the block if the coefficient of

    asked by john
  64. physics

    A 3.00-kg block starts from rest at the top of a 31.0° incline and slides 2.00 m down the incline in 1.40 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the

    asked by john
  65. English (Check/Help)

    Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. 1. Columbus's journal is a marvelous document. 2. His descriptions capture

    asked by Victoria
  66. statistics

    state whether the quantity described is a parameter or a statistic and give the correct notation. Correlation between height and weight for players on the 2010 Brazil World Cup team, using data from all 23 players on the roster. thanks

    asked by hana
  67. Chemistry

    FB1 is a solution containing a mixture of potassium carbonate and sodium hydrogen carbonate . 25cm^3 of this mixture was to titrated against 0.250mol/dm^3 solution of HCL. In one titration using phenolphthalein as indicator, 10.00cm^3 of the acid was

    asked by Diane
  68. Math

    6 less than a number is 18

    asked by Anonymous
  69. Physics

    what maximizes our ability to recover elastic potential energy?

    asked by Mel
  70. Physics

    1. An arrow is shot from the top of a 50 m castle wall at 18 m/s horizontal to the ground. How far from the base of the castle wall will it land? 2. A cannon with a muzzle velocity of 45m/s is shot a various angles to get maximum distance. The general

    asked by Bryan
  71. Algebra

    Jen Planted a 7 ft tee, tree grows 3 ft each year. Now tree is 4times original height. How many year ago was tree planted. Is the equation y=3x+7 right, where y= 7*4 and x= no of years

    asked by Kavita
  72. Chemistry

    When 6.0L of H2 reacts with 2.0L of N2, 4.0L of gaseous product are formed. All volumes of gases are measured at the same temperature and pressure. What is the formula of the product? Hint: Assume all reactants are consumed.

    asked by Cat
  73. physical sciences

    The mass of a minibus is 1500kg,assume that the passenger have an average mass of 50kg each.The driver is moving at a speed of 30m/s when he notice that the traffic light ahead have turned to red.he applied a force of 9000N on the break pedal,calculate

    asked by ascentia
  74. math

    what does the fox say to the dog?

    asked by Anonymous
  75. L.o

    6 practical actions that i can do to address human right violation of xenophobia in my community.

    asked by KUNENE S'PHE
  76. Physics

    You often see birds resting on power lines that carry currents of 48 A. The copper wire on which the bird stands has a radius of 1.5 cm. Assuming that the bird's feet are 3.3 cm apart, calculate the potential difference across its body.

    asked by Physics lover
  77. maths

    alfie has some photographs printed.the cost is £2.50 for postage and 12 pence for each print. A File uses this formula for the total cost (C) in pence. C=250 + 12n n stands for number of photographs. The total cost for Alfie is £6.70. How many

    asked by Thelma
  78. math

    Factorise 2(x-1)-4(x-1)

    asked by Amahle
  79. Survey Of Calc

    The cost C (in dollars) for producing x units of an item is given by C=370+2.55sqrtX. find the marginal cost when the production level is X=400 units. My answer came out to 51/800, or .06375. I'm not sure if I did it correctly.

    asked by John
  80. English (HELP)

    What can you guess about the author's point of view that would cause Columbus to say he hopes to find "gold or spices in abundance"?

    asked by Victoria
  81. applied mechanics

    a body is projected upwards with a velocity of 50 m/s from the top of a tower 100 m high.How long will it take to reach the ground? What will be the velocity with the body strikes the ground?

    asked by simba
  82. Calculus

    f(x) and g(x) are a differentiable function for all reals and h(x) = g[f(2x)]. The table below gives selected values for f(x), g(x), f '(x), and g '(x). Find the value of h '(1). (4 points) x 1 2 3 4 5 6 f(x) 0 3 2 1 2 0 g(x) 1 3 2 6 5 0 f '(x) 3 2 1 4 0 2

    asked by Henry
  83. science1002

    how many moles are present in 25ml of 0.1m of na2co3

    asked by mark
  84. Chemmistry

    Use this percentage to calculate the mass of fluorine (in g) contained in 54.0 g of copper (II) fluoride.

    asked by Sam
  85. 4th grade math

    please help!! I have no idea how to do these I am trying to help my son.. Find two mixed numbers so that the sum is 21 1/6 and the difference is 4 3/6?

    asked by Rebecca
  86. chemistry

    which alcohol and carboxylic acid would produce isoamyl propanoate by Fischer esterification

    asked by mm
  87. Finance370

    Fin/370 compute the future value in 9years of a $2000 deposit in 1 year and another $1500 at the end of year 3 using a 10% interest rate

    asked by Marcia McKinnon
  88. business

    In calculating the bank discount when discounting an interest-bearing note, which one of the following is not used in the calculation? A. Discount period B. Bank discount rate C. Principal proceeds B is my answer

    asked by debbie
  89. business

    An invoice dated March 6 with terms of 1/10, EOM results in the end of the discount period on A. May 30. B. April 10. C. April 30. D. May 31. A is my answer

    asked by debbie
  90. geometry

    12 foot board is leaning against a wall and makes a 77 degree angle with ground. How high does the board reach on the wall? I used Sin 77x 12 and got 11.692 but questions is round this to the nearest tenth of a foot.... Is it 11.7 feet? Thank you.

    asked by sweet pea
  91. maths

    the value of a car depreciate by 13% of it value in the first year. in the subsequent year the depreciation is 8% of its value at the beginning of the year.the value of the car when new is $45000. find its value when it is four years old.

    asked by fernando
  92. geography

    Hello I need to find important cities located in the colony Delaware before the year 1776, but I had trouble finding any information could someone possibly help out?

    asked by steph
  93. chemistry functional groups

    Can a singly bonded CH2 group be classified as an alkyl or an alkane group? It's not the vinyl. Thanks!

    asked by Anonymous
  94. Finance

    Olympic Sports has two issues of debt outstanding. One is a 6% coupon bond with a face value of $35 million, a maturity of 10 years, and a yield to maturity of 7%. The coupons are paid annually. The other bond issue has a maturity of 15 years, with coupons

    asked by Clint
  95. Math

    Steps of calculations that show the simple interest on a R5000 loan for 3 years at 9 percent interest

    asked by Belinda
  96. Study Guide

    Does anyone know where I could find an online or PDF version of the Holt Biology 2004 study guide?

    asked by Victoria
  97. Chemistry

    What is the density of NH3 at 800torr and 25 Celsius?

    asked by Sam
  98. physics

    Three point charges, +6.5 μC, +1.8 μC, and −3.4 μC, lie along the x-axis at 0 cm, 1.7 cm, and 5.4 cm, respectively. What is the force exerted on q1 by the other two charges? (To the right is positive.) The Coulomb constant is 8.99 × 109 N · m2/C2.

    asked by anonymous
  99. Chemistry

    If the density of a gas is 1.2g/L at 745.torr and 20 Celsius, what is the molecular mass?

    asked by Sam
  100. Calculus

    Use Simpson's Rule with n=10 to estimate the arc length of the curve. Compare your answer with the value of the integral produced by your calculator. x = y + y^(1/2), 1 ≤ y ≤2

    asked by Kaitlyn
  101. organic chemistry

    is it anything other to form isopentyl propionate

    asked by ss
  102. chemistry

    is it other than CH3COOH + C2H5OH => CH3COOC2H5 propanoic acid and isoamyl alcohol to make isoamyl propanoate?

    asked by ss
  103. Math

    I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (-1,200). I did (x-1/2)(x-1)(x-3+2i)(x-3-2i) as my first step

    asked by Mindy
  104. Algebra

    I was wondering if anyone could please help me with an Algebra 2 problem involving roots. The roots are 1/2, 1, and 3+2i. I need help finding the equation of that and it passes through the point (-1,200). I did (x-1/2)(x-1)(x-3+2i)(x-3-2i) as my first step

    asked by Carol
  105. English (Check)

    Read each of the following excerpts from Journal of the First Voyage to America. Write what each excerpt reveals about Christopher Columbus. 1. I went ashore, and found no habitation save a single house, and that without an occupant; we had no doubt that

    asked by Victoria
  106. Trig Identities

    Why does cos^2(x)= 1/2cos(2x)+1/2? I am trying to integrate, but the answer key says to first rewrite the expression like the above. I don't get how to change cos^2(x) into that. Explain?

    asked by Betty
  107. physics

    A boat is inclined upwards at 30 to the horizontal. the tension of the string is 200N. what is the force tending to raise the boat out of water.

    asked by anointed
  108. English (Check)

    Break down the following passages by bracketing unessential material and underlining the essential information that tells who and what. 1. [But now was all our provisions spent, the sturgeon gone, all helps abandoned, each hour expecting the fury of the

    asked by Victoria
  109. math

    The stopping distance d of a car after the brakes have been applied varies directly as the square of the speed r. If a car traveling 40 mph can stop in 100 ​ft, how fast can a car travel and still stop in 256 ​ft?

    asked by tevita
  110. math

    The diagonal of a TV set is 26 inches long. Its length is 14 inches more than the height. Find the dimensions of the TV set.

    asked by jake
  111. Language Art's

    1.)The speaker in "The road not taken" is a person who? (1 Point) A.)Is lost in the woods B.)Remembers making a decision C.)Is currently standing at a fork in the road D.)Likes to walk on a well-beaten path

    asked by #FreeGucci
  112. math

    Find the variation constant and an equation of variation if y varies directly as x and the following conditions apply.

    asked by jay
  113. English

    What does the quote "nature is not human hearted' by Lao Tzu mean?

    asked by Anonymous
  114. statistics

    Minutes 126.53 127.27 130 130.35 130.4 130.58 130.87 131.18 131.98 132.55 133.28 133.42 133.43 133.55 133.65 134 134.37 134.62 134.73 135 135.95 136.12 136.17 136.23 136.28 137.7 137.83 137.93 138.18 138.25 138.43 138.67 139.13 139.72 140.25 140.38 140.4

    asked by hana
  115. math

    The weight W that a horizontal beam can support varies inversely as the length L of the beam. Suppose that a 4-m beam can support 1000 kg. How many kilograms can a 17-m beam​ support?

    asked by louie
  116. physics

    A snowball rolls of a roof by accident. The roof is sloped 40.0 o relative to the horizontal. The edge of the roof is 14.0 m above the ground, and the speed of the snowball is 7.00 m/s as it rolls off the roof. Ignore air resistance. Coincidentally, there

    asked by tamara
  117. physics

    A physics professor moonlights as a daredevil jumping things on a motorbike. His next stunt will be to jump the oldman river on his motorcycle. The ramp is being built 100 m above the river and made an angle of 50.0 o relative to the horizontal. The

    asked by tom
  118. physics

    A 4.00 kg block is pushed along the ceiling with a constant applied force of 85.0 N that acts at an angle of 55.0° with the horizontal, as in the figure below. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction

    asked by john
  119. physics

    A box rests on the back of a truck. The coefficient of static friction between box and bed of the truck is 0.355. (a) When the truck accelerates forward, what force accelerates the box? the inertial force centripetal force the friction force gravity (b)

    asked by john
  120. LOGS

    The decibel level of a sound is given by dB=10log(EE0), where E0=10−12wattsm2 and E is the intensity of the sound. (a) Find the intensity of a 80-decibel sound. E= watts per square meter. (b) How many times more intense is the sound from (a) than a

    asked by Sarah
  121. physics

    A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and

    asked by john
  122. physics

    A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at

    asked by mary
  123. Chemistry

    For the reaction between ammonia and hydrochloric acid to produce ammonium chloride; What volume of ammonia is used (at 20 Celsius and 760mmHg) if 12.5gmof ammonium chloride are produced in the reaction? How many molecules of ammonia does this represent?

    asked by Sam
  124. science

    why is water a limited rescource

    asked by ginger
  125. Math

    A farmer wants to construct a pen with 100 feet of fencing. The pen will be divided into two areas as shown below. Find the maximum dimensions of the big pen. All I have so far is that 3x+2y=100. I am not sure how to move forward.

    asked by Natalie
  126. science

    which term describes the main process in the water cycle

    asked by ginger
  127. physics 12U

    A driver parks his car on a hill but accidently leaves it in neutral. The car starts from rest and accelerates down the 45 m long hill. It take the car 12.3 seconds to reach the bottom of the hill. a) What is the final velocity of the car at the bottom of

    asked by emma
  128. English (Check)

    Read each sentence, and determine if it contains an action verb or a linking verb. Then, write a related sentence with the type of verb that does not appear in the first sentence. Read each sentence, and determine if it contains an action verb or a linking

    asked by Victoria
  129. Math

    The U.S life expectancy of a baby born in 1960 was 69.8 years. For a birth year of 2010, the U.S life expectant was 78.5 years. Let Y be the US life expectancy for a baby born in the year x, where x=0 represents the year 1960. What would the life

    asked by Anonymous
  130. SCIENCE PLZ HELP

    when are tides in earths oceans the highest? during the moons waning gibbous phase during the moons waxing gibbous phase when the moon is at the right angle of the sun when the sun, Earth, and moon are in a line.

    asked by K.CUndercoverNeedsHelpAndAlsoHelpsPeople
  131. Math

    How does changing the dimensions of a figure affect its perimeter? area?

    asked by Helen
  132. social studies

    how did the search for new overseas markets push the united states to become a world power

    asked by dellion
  133. physics

    A hockey puck is hit on a frozen lake and starts moving with a speed of 14.0 m/s. Five seconds later, its speed is 5.50 m/s. (a) What is its average acceleration? m/s2 (b) What is the average value of the coefficient of kinetic friction between puck and

    asked by john
  134. maths -partial fractions

    Resolve in partial form (x^2+15)/(x+3)^2(x^2+3)

    asked by p1
  135. Math

    A piece of ribbon is 7 1/2in. long. If a piece 2 3/16in. long is cut off, how long is the remaining piece?

    asked by Emily
  136. English (Check)

    List examples and details that show that the passages are firsthand historical narratives. 1. While the ships stayed, our allowance was somewhat bettered by a daily proportion of biscuit which the sailors would pilfer to sell, give, or exchange with use

    asked by Victoria
  137. Math

    1. Use the associative property to rewrite the expression 97 + (3 + 13) I rewrote this as (97 + 3) + 13 since the associative property is about changing the grouping. The answer in the back of the book says 97 + (3 + 13) -- the same as the original

    asked by Carly
  138. Math

    Let d(n) represent the number of diagonals of a polygon of n sides. Here is a table of values of d(n). n 3 4 5 6 7 8 9 10 11 d(n)0 2 5 9 14 20 27 35 44 Find a polynomial formula for d(n) in terms of n

    asked by Heather
  139. Math

    How many solutions are there to the equation |x^2-6x|=9?

    asked by James
  140. math

    Solve for all real values of y: |3y+7|=|2y-1|.

    asked by Scott
  141. Math

    91/3 x 12 =

    asked by Theresa
  142. Math

    Suppose you have student loans totaling $10,500 when you graduate from college. The APR is 9% and the loan term is 10 years. a) What are your monthly payments? b) What is the total amount you will pay over the term of the loan? c) Of the total amount paid,

    asked by Emilio
  143. Math

    You need to borrow $20,000 to buy a car. You can only afford to make monthly payments of $200. The bank offers 3 choices: 3-year loan at 5%, 4-year loan at 6%, and a 5-year loan at 7%. a) What’s the monthly payment for each loan? b) Which loan is best

    asked by Emilio
  144. Biology help!!

    what compounds (fats, starch, protein and simple sugar) do the following foods have? Oatmeal Margarine Salmon Whole milk Chocolate chip cookies Peach

    asked by Anonymous
  145. Math

    Suppose you borrowed $25,000 for a car at an APR of 8%, which you are paying off with monthly payments of $510 for 5 years. a) What’s the loan principal? b) What’s the annual interest rate? c) How many payments do you make in a year? d) What’s the

    asked by Emilio
  146. Math

    You need $200,000 to buy a new home. The bank offers a choice of a 30-year loan at an APR of 8% or a 15-year loan at 7.5%. Assume the closing costs are the same for both loans. a) Compare the monthly payments for these two loan options. b) Compare the

    asked by Emilio
  147. Math

    Mary brouvht a car for,65 % of the original price of 7200 what did he pay for the car

    asked by Sueann
  148. ELA

    Story- clever daughter 5. Why does the magistrate use a riddle to decide the case? Use two details to support your answer

    asked by Kylie
  149. Chemistry - Vapor Pressure

    a.)What is the partial vapor pressure of a benzene above solution obtained by mixing 44.7 g benzene, C6H6, and 77.3 g toluene, C6H5CH3, at 25 ∘C? At 25 ∘C the vapor pressure of C6H6 = 95.1 mmHg; the vapor pressure of C6H5CH3 = 28.4 mmHg. b.)What is the

    asked by Anonymous
  150. Chemistry

    At what pressure would 0.150 mole of nitrogen gas at -23.0oC occupy 8.90 L? -23.o0c = 250 K P=(0.150 mol)(8.31 KPA x L/ K x mol)(250 K) = P is this right?

    asked by Boberto
  151. social studies

    International efforts are being made to safeguard against the misuse of weather modification.an example of the potential to misuse the weather is

    asked by Anonymous
  152. algebra

    Find the sum of the interior angles of a nonagon. (1 point) A. 140° B. 1,620° C. 1,260° D. 1,450 °

    asked by Me.(;
  153. social studies

    Reconstruction was a more bitter experience for the south than the the civil war itself.which of the following historical developments best supports the author's point of view?

    asked by Anonymous
  154. physics

    A charge +q is at the origin. A charge -2q is at x = 1.70 m on the +x axis.

    asked by Anonymous
  155. social studies

    The fourth amendment states that the right of the people against unreasonable searches and seizures of their persons,houses,papers,and personal effects shall not be violated.This amendment to the u.s constitution upholds which of the following common law

    asked by Anonymous
  156. English (Check)

    Underline the verbs in the past tense and circle the verbs in the past perfect tense. 1. He _told_ how he (had found) permanent houses and that he (had also seen) maize.

    asked by Victoria
  157. Life Orientation

    Two (2) contemporary social issues in our community and their explanation

    asked by Boitumelo
  158. social studies

    A democracy may be defines by the political principal that the government is created by,derives it's powers from,and exists to serve the people. According to this statement,which of the following is inconsistent with a democratic form of government? (1)

    asked by Anonymous
  159. Algebra

    A worker drops a hammer from a second story roof that is 10m above the ground. Choose the appropriate formula to use where t represents time in seconds after the hammer is dropped. h(t) = -16t2 +v0 (Initial Velocity) + h0 (Initial Height) or h(t) =

    asked by Meena
  160. Math

    Consider an aircraft attempting to fly south at 600km/h encounters a head wind of 200km/h. Calculate its resultant velocity.

    asked by Ezekiel
  161. Math

    In a bag of 400 jelly beans, 25% of the jelly beans are red in color. If you randomly pick a jelly bean from the bag, what is the probability that the jelly bean picked is NOT one of red jelly beans?

    asked by John
  162. Math

    Rectangular prism below consists of troy's spaceship mode how do you solve it

    asked by Sabrina
  163. Math

    A piece of plywood, the surface of which measures 8/9 square yard, is cut into sections each containing 2/9 square yard. How many sections are there?

    asked by Linda
  164. math

    Find the solution(s) of the logarithmic equation ln(x+4)+ln(x−4)=0

    asked by avia
  165. SOCIAL STUDIES

    A democracy may be defined by the political principle that the government is created by, derives its powers from, and exists to serve the people. According to this statement, which of the following is inconsistent with a democratic form of government? (1)

    asked by MG
  166. Physics

    A stone is thrown 60 degrees below the horizontal at 22 ft/sec and 20 meters above the ground. Using the energy equations, determine its velocity when it hits the ground.

    asked by Matt
  167. Chemistry

    How many grams of NaNO2 must be added to 1 liter of 1.00 M HNO2 solution in order to prepare a buffer solution with pH = 4.14? pH = 3.14? My work: ka = pH(buffer ratio) 4.5 * 10^-4 = 1.000*10^-4.14 (x M of base/1.00 M of acid) x = 6.21 6.21 M = (6.21

    asked by Maddy
  168. English (Check)

    List examples and details that show that the passages are firsthand historical narratives. 1. While the ships stayed, our allowance was somewhat bettered by a daily proportion of biscuit which the sailors would pilfer to sell, give, or exchange with use

    asked by Victoria
  169. math

    The volume of water in a resevoir decreases 21,000 cubic yards over a 3-month period. What is the average change in volume per month?

    asked by Nis
  170. social studies

    How do I check my answer on a graph question? someone please help

    asked by MG
  171. Statistic

    A group of 20 women took the njcbspt and 17 passed the algebra portion. A group of 35 men took the test and 28 passed. Does this support the claim that men's success rates are lower than women's ? Sigma=.05

    asked by Dhelp
  172. bio tech

    Describe hpow you would prepare 2 L of a 0.5 g/ml dextrose solution?

    asked by kim
  173. ELA

    Story- a day to remember 12. How does the author use imagery in this passage?

    asked by Kylie
  174. Calculus

    A particle moves along the x-axis with velocity v(t) = sin(2t), with t measured in seconds and v(t) measured in feet per second. Find the total distance travelled by the particle from t = 0 to t = π seconds. Do I have to take the integral of the equation

    asked by Henry
  175. algebra

    find payment necessary to amortize a 8% loan of $2000 compounded quarterly with 12 quarterly payments.

    asked by Anonymous
  176. Calculus

    Pumping stations deliver gasoline at the rate modeled by the function D, given by D(t)= 6t/(1+2t) with t measure in hours and and R(t) measured in gallons per hour. How much oil will the pumping stations deliver during the 3-hour period from t = 0 to t =

    asked by Henry
  177. Please help!!

    The volume of water in a resevoir decreases 21,000 cubic yards over a 3-month period. What is the average change in volume per month?

    asked by Nis
  178. Algebra

    A merchant blends tea that sells for $5.00 a pound with tea that sells for $3.00 a pound to produce 80 lb of a mixture that sells for $3.75 a pound. How many pounds of each type of tea does the merchant use in the blend?

    asked by Faisal
  179. social studies

    The laws of accumulation will be left free; the laws of distribution free. Individualism will continue but the millionaire will be a trustee of the poor; entrusted with the wealth of the community, but administering the wealth better than the community

    asked by MG
  180. Chemistry

    Calculate the following and write your answer in scientific notation 6.6 x 10^6 (8.8 x10^2) x (2.5 x 10^3)

    asked by Anonymous
  181. Calculus

    How would I set this up in my calculator? Let F(x)=∫ ln(t^2) dt where a= 1 and b=3x . Use your calculator to find F"(1). I set it up and I got way the wrong answer. I got 2ln(1)=0

    asked by Henry
  182. ELA

    Story- going west 4. What is the theme of the story A. Never take unnecessary risks B. Some dreams are worth the sacrifice C. Fathers and sons sometimes don't get along D. Life is better in the west than it is int the east 8. Why is going the Oregon trail

    asked by Kylie
  183. geometry

    A hemisphere tank is filled with water and has a diameter of ten feet. If the water weighs 62.4 pounds per cubic foot, what is the total weight of water in a full tank?

    asked by jim
  184. logs

    e^1−10x=9 solve for x

    asked by avia
  185. Ela

    Story- Oregon trail 6. Why do the narrator and his companions MOST LIKELY not want to travel with the emigrant group they encounter on the prairie A. They do not enjoy listening to themselves B. They do not want the group to slow them down C. They will

    asked by Kylie
  186. Algebra

    A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 30 feet from where the rope is staked down. Find the altitude of the balloon if the rope

    asked by JACK
  187. English (Check)

    After reading each passage, write the signal word or words it contains and the type of relationship that each signal word indicates. 1. They entreated us not to be angry any longer, because, even if it was their death, they would take us where we chose. A:

    asked by Victoria
  188. Biology

    How do mutations that alter the nucleotide sequence of a promoter influence the original function of that promoter and thus the entire cell? (Try to name all the biological consequences of possible mutations in the promoter.)

    asked by Ian
  189. stats

    A particular normal distribution has mean of 575 and standard deviation of 150. What X values form the boundaries for the middle 60% of the data? Round answers to two decimal places. Lower boundary: Blank 1 Upper Boundary: Blank 2

    asked by chelsea
  190. psychology

    When researchers find similarities in development between very different cultures, what implications might such findings have for the nature-nurture issue?

    asked by susan
  191. English (HELP)

    The Puritans founded Harvard College at Newtowne in 1636. Three years later, they renamed the city of Cambridge to honor the British city where many of the colonists had studied. What does this fact reveal about the group who fled England?

    asked by Victoria
  192. Chemistry

    The world record for a human holding their breath is 11 minutes, but most people can only hold it for a few minutes. If a women holds her breath at the maximum lung capacity (4.2 L), calculate the final pressure in her lungs, if her body temperature is

    asked by Boberto
  193. Physical science

    a balloon has a volume of 0.5 L at 20 degrees celsius. what will the volume be if the balloon heated to 150 degrees celsius? assume constant pressure and mass. I got 0.7218 L.

    asked by Emily
  194. math

    Traveling at 55 miles per hour,approximately how long will it take Michael to drive 250 miles? (1) between 1 and 2 hours (2) between 2 and 3 hours (3) between 3 and 4 hours (4) between 4 and 5 hours (5) between 5 and 6 hours I think the answer is 4?

    asked by Anonymous
  195. Algebra

    A projectile which is fired from the ground with a velocity of 960 ft/sec, at an angle of 30° above the ground, has a height at time t of h(t)=480t–16t2. Find the time when it hits the ground again.

    asked by Anon
  196. Physics 20

    A 90.3 cm long pendulum is released from a vertical height of 20 cm and is allowed to swing freely. Determine the greatest speed of the pendulum.

    asked by Anonymous
  197. math

    At what rate of annual simple interest, a certain sum will amount to four times in 15yr

    asked by simple interest
  198. math

    Ashley uses 1/4 package of raisins for fruit cake. She then uses 1/9 of the remainder for the muffins.What fraction of the package of raisins does she have left? My answer is 2/3. 4/4-1/4=3/4(remainder). then 3/4 x 1/9= 1/12 (muffins)then

    asked by Valentina
  199. MAth

    A $4,500 loan, taken now, with a simple interest rate of 6% per year, will require a total repayment of $5,040. At what time t will the loan mature?

    asked by Amethyst
  200. math

    simplify the following and express Answer in positive index (e^3/f^2)^-3 x (e^-4/f)^-1 8^1/3 X 4^1/2

    asked by raechel