# Questions Asked onJune 24, 2015

14. ## Geometry

The base of a right prism is a rhombus with a side of 10 cm and an altitude of 9.6 cm. Find the diagonals of the prism if the altitude of the prism is 12 cm.

15. ## Physics

A 2.0 kg block of iron slides along a floor, decreasing its speed from 4.0 m/s to 1.0 m/s. a) How much work does the frictional resistance of the floor do on the block? b) If the reduction in velocity occurred over a distance of 10 m, what was the force of

16. ## Microeconomics

taxes may cause deadweight losses because________. a. they transfer purchasing power from buyers to the government. b. they lower the surplus in the market. c. they increase consumer surplus at the expense of producer surplus d. they transfer purchasing

Owen is fishing from a dock. He starts with the bait 2 feet below the surface of the water. He reels out the bait 19 feet then reels it back in 7 feet. what is the final position of the bait relative to the surface of the water? Write an expression to

18. ## algebra

Ten less than the product of three and a number x. my answer is 10-3x

19. ## Chemistry

Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^-4 The answer is 0.038, but I'm not sure how

20. ## English

To what people does John Winthrop compare the Puritans in "A Model of Christian Charity"? the ancient Egyptians the ancient Romans the ancient Israelites the ancient Babylonians

32. ## physics

You have a mass of 60 kg and run up some stairs that are 5 m high in 6 seconds. How much power did you produce?

33. ## Algebra

Jim wants to build a rectangular parking lot along a busy street but only has 1,900 feet of fencing available. If no fencing is required along the​ street, find the maximum area of the parking lot.

34. ## Physics

The speed of a projectile when it reaches its maximum height is 0.42 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?

35. ## science

A force of 16.0 newtons is sufficient to set a box that is at rest into motion. If the coefficient of static friction is 0.380, what is the normal force acting on the box?

36. ## Biology

20. Which of these is the smallest structure? A. Dipeptide B. Polypeptide C. Protein D. Amino acid

37. ## physics

a ball is projected horizontally with speed u from a tower. 4 seconds after the throw it's velocity is at 45¡ã with horizontal. How long after projection, the velocity is at 37¡ã with horizontal?

38. ## physics

If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with each second IF it were on a planet where g = 20 m/s2? Show all work leading to your answer.

39. ## physic pls help

Cleo and Clare are looking from their balcony to a swimming pool below that is located 15 m horizontally from the bottom of their building. They estimate the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in

40. ## physics

7. An airplane has a gun that fires bullets straight ahead at the speed of 600 miles per hour when tested on the ground while the plane is stationary. The plane takes off and flies east at 600 miles per hour. Explain whether each of the following is

41. ## Chemistry

My question is I need to change to symbol on sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-} Its my first time in chemistry class.

42. ## Chemistry

PCl5 is introduced into an evacuated chamber and comes to equilibrium (see Problem 16.37), at 250◦C and 2.00 atm. The equilibrium gas contains 40.7% Cl2 by volume. (a1) What are the partial pressures of the gaseous components at equilibrium? (a2) From

43. ## math

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

44. ## grammar

Which one has the correct pronoun? The team of reporters stunned their audience when the results of the election were revealed. The team of reporters stunned its audience when the results of the election were revealed.

45. ## English

Why was Memorial Day originally called Decoration Day? It was a better name for the holiday than Memorial Day. People used to make decorations on that day, but they no longer do. People decorated soldiers' graves with flowers on that day. Decoration is a

46. ## grammar

Which is the correct answer? I think it is A, but would like a second opinion. It was not _____ who left the door unlocked this morning. A. I B. me C. myself

47. ## chemistry

How to distinguish between an acid and an alkali. DO not use indicators

Chong base pay rate is $13.50 per hour, with overtime paid at time-and-a-half and double time for holidays. Find her gross if she worked 9 holidays hours in addition to 40.5 hours Monday through Saturday. round to the nearest cent. asked by keosha 51. ## business math115 linda base pay rate is$21 per hour, with overtime paid at time-and-a-half. Find her gross pay if she worked 45 hours Monday through Saturday. round to the nearest cent.

Christina has a job making diskettes. Last week she made a total of 4720. Calcute her gross.

Coastal Advertising has a staff of sales people like linda, Who is paid monthly salary of \$1,050 plus a straight commission of 4.4% on all sales over 8,500. If she sells 9,300 what is her total gross pay for the month.

54. ## Algebra

For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

55. ## intro to psychology

Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researchers have found that:

56. ## intro to psychology

Within groups, differences in intelligence are highly correlated with __________. Between groups, differences are highly correlated with __________.

57. ## intro to psychology

A wealthy, married man in China is having an affair with a beautiful young woman who seems primarily attracted to his financial status. At the same time, similar situations are occurring across other races and nations. Sociobiologists would say that this

58. ## intro to psychology

Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.

59. ## Math

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

60. ## Biology

J.J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge. Ernest Rutherford found that when positive particles were fired at gold foil, some of the particles deflected rather

61. ## intro to psychology

One way to explain why gene frequencies change is that individuals with traits that are adaptive in an environment will stay alive to reproduce. Over generations their genes will become more common. This process describes:

62. ## intro to psychology

According to linguist Noam Chomsky, the sentences “Lee gave the ball to Lynne” and “Lynne received the ball from Lee,” both have the same:

63. ## intro to psychology

Which one of the following statements about heritability is true? Im sure that not B

64. ## intro to psychology

Which one of the following statements about heritability is true?

65. ## intro to psychology

Which one of the following statements about the Human Genome Project is not true?

66. ## intro to psychology

Those who question evolutionary theorists’ ideas about human mating practices believe that evolution may have instilled in us the tendency to select a mate based on:

67. ## Math

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

68. ## English

what is a minor transtion of a text?

69. ## Nursing

My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?

70. ## Computer Architecture/Assembly Question - Amdahl's

Can someone show me how to solve this problem? For a program that is 70% parallelizable, what will be the speedup relative to a uniprocessor from running it on a 4,8, and 16 way multiprocessor assuming perfect load balancing. Thanks!

A stone is 24M high.a stone is projected upward from the tower with an initial velocity of 24,5m/s. calculate how long it would take for the stone to reach the ground at the foot of the tower.

72. ## Physics

if the distance and height of a track increase, does the car's accepted velocity and acceleration increase?

73. ## Physics

The ride drops riders from the top of a tall tower and let's them free fall for a short time before bringing them to a stop. For the riders' safety, you must make sure the riders do not experience an acceleration greate than 2g. Assume the riders have a

74. ## Physics

For centripetal acceleration, if the radius increases, does that mean the angle is decreasing?

75. ## dav public

In tringle abc ab=6cm,angle B=90 find ac,bc and angleA

76. ## Math

A teacher is collecting data about students. Which of the following is a random sample. A.Students known by the teacher B.Students not known by the teacher C.Students using the library at lunch D.None of the answers are correct

77. ## English

1. Is there a big market around here? 1. Yes, there's one near here. 2. Yes, there's a big one near here. ============= Q1: Are both answere grammatical? Which one is commonly used? Q2: Does 'one' in #1 mean 'a market' or 'a big market'?

78. ## Physics

a 1.92 kg ball is connected by means of two massless strings, each of length L = 1.69 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.69 m and are taut. The tension in the upper string is 51.0 N. What are (a) the

79. ## Math

e^(x-y)=-x+C where y(2)=2 so I found C=3? y=_____________ so I thought it would be y=-ln(-x+3)-x but that is wrong please help!

81. ## Elementary Statistic

twenty-five percent of all death are caused by diseases of the heart Ischemic heart disease accounts for 16.4% of all death and heart failure for 2.3% choose one death at random. What is the probability that it is from ischemic heart disease given that it

82. ## Math

I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

83. ## English

Everything will be 20 % off. So, don't miss your great chances for great prices. ============================ What does 'for great prices' modify? Does it modify 'chances' or 'miss'?

84. ## intro to psychology

Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.

85. ## chimistry

The molar heat of fusion of lead (Pb) is 1.140 kcal/mol. How much heat must be added to 97.0 g of solid lead at its melting point in order for it to completely melt? A 1.44 kJ B 10.18 kJ C 12.48 kJ D 25.04 kJ

86. ## Physics

A 50kg sign for a local business is hung from a bar which meets a wall at right angles as shown in figure 1. The bar is 1.5 meters long, and it's mass may be neglected. The center of mass of th sign is 1.0 meters from the wall (but .50 meters from the tip

87. ## Math

Which is the best way to obtain a random sample when surveying a high school with 800 students about what to serve in the cafeteria. A.Only ask the 11th grade class. B.Draw a list of 50 students from a bowl with every student's name in it. C.Ask everyone

88. ## statistics

Using the regression equation ŷ = .3 + .12x, the predicted weekly food cost for a hedgehog weighing 1.3 pounds is __________.

89. ## algebra

Writing expressions with variables One more than the product of three and a number x

90. ## algebra

write an expression to represent Four minus the product of three and a number x

91. ## statistics

Jesse put the heartbeat and lifespan data into a statistical software program and found the coefficient of determination to be 64%. The value of the correlation coefficient is __________.

92. ## world history

which of these was Not a shared trait of early harappan and mesopotamian civilizations? a. brick-walled cities b. cuneiform c. raised citadels d. origins along a major river my answer is A

93. ## algebra

Write an expression to represent Five minus the product of three and a number x

94. ## world historia

Ancient india differed from ancient china, persia,and roma in that india: a. was more religious b.never amassed a large army c. was unable to build a long lasing empire d. was more philosophical and less concerne with goverment. my answer C

95. ## world history

which of these was an innovation that accompanied the advent of framing? a.herding b .normadism c. hunting d. the use of metals my answer D

96. ## algebra

Writing expressions with variables Five less than the product of four and a number x.

97. ## world history

which of the following statements does not accurately characterize the neanderthals? a. they were first discovered in Germany b.they are ancenstor to Homo Sapiens c. they have larger brains thtat other hominids. d. they are believed to have lived 200,000

98. ## algebra

Write an expression to represent: Seven more than the product of one and a number x.

99. ## Chemistry

Enter the symbol of a sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-}

100. ## physics

I have no way to solve this question. help me please The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the

101. ## life orientation

write your mission statement that clearly indicates your own position in engaging in service delivery protest

102. ## science

Why is an incandescent bulb hot to touch when it has been switched on for a while?

103. ## math

A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

104. ## Chemistry

How energy is needed to vaporize 100 g of ethanol from its boiling point?

105. ## maths

2.38x3.901/4.83

106. ## Physics

A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work done against: 1) gravity 2)

107. ## Chemistry

A solution contains 0.284 M sodium nitrite and 0.257 M nitrous acid. What is the pH of the solution?