# Questions Asked onFebruary 21, 2016

1. ## science

which term describes the main process in the water cycle

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

3. ## 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

4. ## 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.

5. ## 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?

6. ## 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 =

7. ## 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

8. ## 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)

9. ## 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.

10. ## 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

11. ## 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?

12. ## algebra

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

13. ## Chemmistry

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

14. ## 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

15. ## Life Orientation

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

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?

17. ## Art

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

18. ## 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

19. ## Chemistry

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

20. ## 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

21. ## 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.

22. ## 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.

23. ## 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

24. ## 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'

25. ## Art

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

26. ## 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.

27. ## 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.

28. ## 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

29. ## civic education

Limitations to human rights not less than six.

30. ## 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?

31. ## 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

32. ## 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

33. ## life orientation

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

34. ## 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?

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

36. ## 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.

37. ## ELA

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

38. ## Science

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

39. ## 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)

40. ## 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?

41. ## 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"?

42. ## 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

43. ## algebra

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

44. ## 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

45. ## 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

46. ## 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

47. ## L.o

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

48. ## 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.

49. ## 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

50. ## 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

51. ## 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

52. ## 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

53. ## 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) =

54. ## 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

55. ## Art

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

56. ## 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

57. ## 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

58. ## Life orientation

Identify any three causes of human trafficking in South Africa.

59. ## 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?

60. ## 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

61. ## 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

62. ## 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

63. ## 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

64. ## 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?

65. ## 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

66. ## 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?

67. ## English

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

68. ## social studies

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

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?

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

71. ## bio tech

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

72. ## 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

73. ## 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

74. ## 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?

75. ## 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

76. ## 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

77. ## 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?

78. ## 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

79. ## 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

80. ## 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:

81. ## 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

82. ## Art

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

83. ## 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

84. ## 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

85. ## 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

86. ## 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

87. ## 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

88. ## 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.

89. ## 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

90. ## 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.

91. ## 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,

92. ## Math

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

93. ## 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.

94. ## 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.

95. ## 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

96. ## 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?

97. ## 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?

98. ## algebra or algebra1

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

99. ## 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)

100. ## 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

101. ## 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);

102. ## Biology help!!

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

103. ## 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

104. ## 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.

105. ## 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

106. ## 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

107. ## 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.

108. ## 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

109. ## 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

110. ## psychology

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

111. ## 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

112. ## LIFE ORIENTATION

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

113. ## 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

114. ## 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)

115. ## 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.

116. ## 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

117. ## 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.

118. ## 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.

119. ## 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

120. ## 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?

121. ## 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

122. ## 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

123. ## Math

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

124. ## 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

125. ## 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.)

126. ## 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

127. ## 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?

128. ## 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

129. ## 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

130. ## 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

131. ## 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

132. ## 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

133. ## 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.

134. ## math

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

135. ## 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?

136. ## algebra or algebra1

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

137. ## 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.

138. ## 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

139. ## Math

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

140. ## 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.

141. ## 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

142. ## science1002

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

143. ## Math

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

144. ## chemistry

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

145. ## Genetics!!

What is the function of a eukaryotic promoter sequence?

146. ## 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]

147. ## chemistry

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

148. ## Science

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

149. ## Maths

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

150. ## Science

Expression for bernaulli theorem

151. ## 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?

152. ## math

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

153. ## Math

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

154. ## 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)

155. ## chemistry

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

156. ## 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.

157. ## 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

158. ## 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

159. ## ELA

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

160. ## 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

161. ## 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

162. ## 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

163. ## math

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

164. ## 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.

165. ## Math

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

166. ## Math

6 less than a number is 18

167. ## 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

168. ## Math

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

169. ## 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?

170. ## 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

171. ## chemistry functional groups

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

173. ## Study Guide

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

174. ## Chemistry

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

175. ## 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

176. ## 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

177. ## Math Algebra

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

178. ## science

why is water a limited rescource

179. ## maths -partial fractions

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

180. ## 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.

181. ## 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

182. ## math

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

183. ## physics

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

184. ## Math

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

185. ## algebra or algebra1

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

186. ## organic chemistry

is it anything other to form isopentyl propionate

187. ## 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?

188. ## logs

e^1−10x=9 solve for x

189. ## math

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

190. ## science

when whould electric current flow through a conductor

191. ## 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

192. ## pre algebra

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

193. ## 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?

194. ## Physics

what maximizes our ability to recover elastic potential energy?

195. ## math

what does the fox say to the dog?

196. ## 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?

197. ## english

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

198. ## FS

what difficulties did the teacher experience?