# Questions Asked onJune 9, 2014

1. ## MATH

You have five \$1 bills, four \$5 bills six \$10 bills and three \$20 bills. You select a bills at random. Without replacing the bill, You choose a second bill. What is P(\$1, then \$10)?

2. ## math

What is the period, in seconds, of a simple pendulum of length 3 meters? Use the gravitational constant g = 9.8 m/s2 and round your answer to two decimal places Please help! A step by step would with the answer would be helpful!

3. ## math (check answer plz)

2. A jar contains blue, red, yellow, and green marbles. P(blue)=1/4. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment.

4. ## Probability!

A bag contains 5 green marbles , 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marbles, replace it, and choose again. what is p(red then blue) 20/43 40/43 20/1849 96/1849

5. ## Chemistry

How would you prepare pure dry crystals of pottasium trioxonitrate (v) ?.

6. ## Algebra

Suppose a cost-benefit model is given by y=2771x/100-x, where y is the cost for removing x percent of a given pollutant. What percent of pollutant can be removed for \$36,000? Round your answer to the nearest tenth of a percent?

7. ## Which function rule represents the data in this...

Which function rule represents the data in this table? X: -3 -2 -1 0 1 Y: -17 -14 -11 -8 -5

8. ## physics

A 370kg piano slides 2.9m down a 24∘ incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Ignore friction.

9. ## Math

Two 6-sided dice are rolled at the same time. How many outcomes correspond to the event that the sum of the numbers is 5?

10. ## MATH

A spinner is divided into 10 equal sections numbered from 0 to 10. You spin the spinner once. What is P(divisible by 3)? 1/3 1/2 2/5 3/10 The probability of a certain baseball player hitting a foul ball is 1/4. How many foul balls would you expect her to

11. ## CHEMISTRY

How much 0.200 M KOH is required to completely neutralize 25.0 mL of 0.150 M HClO4?

12. ## math

A tap flows at a rate of 15 litres per minute. How long will it take to fill a 300 litre container?

13. ## Probability

Justin writes the letters I-L-L-I-N-O-I-S on cards and then places the cards in a hat. What is the probability of picking an L? 1/8 1/4 1/6 2/7 What is the probability of picking a vowel? 1/3 1/2 1/4 4/7

14. ## CHEMISTRY

How many liters of softened water, containing a sodium concentration of 0.050% sodium by mass, have to be consumed to exceed the FDA recommendation? (Assume a density of 1.0 g/mL for water.)

15. ## Physics

Calculate the maximum acceleration of a car that is heading up a 9.5° slope, assume that only half the weight of the car is supported by the two drive wheels and that the static coefficient of friction is 1.

16. ## Algebra

Find the coordinates of the midpoint of the hypotenuse of the right triangle whose vertices are A (1,1) B (5,2) C (4,6) and show that it is equidistant of each of the vertices..... And can you please tell me how to prove it in drawing....

17. ## Biology

What would happen if a nucleotide was deleted in the exon region of a gene? the intron?

18. ## math foundations 20

How do I solve normal distribution word problems? Ex A manufacturer offers a warranty on it's coffee makers. The coffee makers have mean lifespan of 4.5 years, with standard deviation of 0.7 yeaes. For how long should the coffee makers be covered by the

19. ## Chemistry

I need help on these three questions. For all three of them you're supposed to write a balanced equation for each neutralization. Then, to find the concentrations of the unknown solutions if the following reactions are found to reach equivalence by

20. ## civics

how can government actions can affect how banks operate?

21. ## trig

A weight attached to a long spring is bouncing up and down. As it bounces, its distance from the floor varies periodically with time. You start a stopwatch. When the stopwatch reads 0.3 seconds, the weight reaches its first high point 65 cm above the

22. ## physics

The mass of an atom can be determined by ionizing it and accelerating it through a known electric field followed by a known magnetic field. The ion’s circular path is then measured. Calculate the mass of a chlorine anion of charge 3.20 × 10−19 C if it

23. ## algebra/how can I solve this/Thank You

Draw a stem-and-leaf plot for the data set. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.) Data set A: The annual wages of employees at a small accounting firm are given in thousands of dollars. 50 15 18

24. ## Chemistry

Consider the following equilibrium. 2 SO2 (g) + O2 (g) 2 SO3 (g) The equilibrium cannot be established when __________ is/are placed in a 1.0-L container.

25. ## biology

A bacterial strain divides once every 30 minutes. After 90 minutes, a single bacterium can form a total of ___ bacteria

26. ## MATH

You have five \$1 bills, four \$5 bills six \$10 bills and three \$20 bills. You select a bills at random. Without replacing the bill, You choose a second bill. What is P(\$1, then \$10)?

27. ## geometery

4. Quadrilateral MATH has been dissected into squares. The area of the red square is 64 square units and the area of the blue square is 81 square units. Determine the dimensions and the area of quadrilateral MATH.

28. ## Algebra

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents

29. ## Math

Alex's distance form home is represented by the equation D= -0.5t +300 D represents his distance from home and t represents time in minutes How long will it take Alex to reach a distance of 182 km from home

30. ## Accounting

What is the closing entry to allocate a net income of \$48,000 to Sara, Ellen, and Mary? Respective capital balances are \$30,000, \$40,000, and \$30,000. No agreement was made for division of income. A. Debit Income Summary \$48,000; credit Sara’s Capital

31. ## science

A uniform disk with radius 0.320m and mass 28.0kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. The angle through which the disk has turned varies with time according to è(t)= (1.20rad/s)t +

32. ## physics

Water is flowing through a horizontal pipe of varying cross section. At section 1,the diameter is 12cm at a pressure of 80000 Pa. At section 2, the pipe has a diameter of 6cm and the pressure is 60000 Pa. Find the speed of water through sections 1 and 2.

33. ## Cvics-I need these answers checked now or ill fail

which of the following would be part of the democratic party platform? 1: cutting taxes for the wealthiest citizens 2: providing for public health care 3: decreasing the size of government 4: cutting funding for educational programs

34. ## physics

A child drops a ball from a height of 10 m. Assume its acceleration increases uniformly at the rate of 10m/s2. find the velocity with which the ball strikes the ground. Find the time taken to the ball reach the ground.

35. ## Math

If Kate is flying a kite on the field and she lets out 20 meters of string and at the same time her friend Abigail is watching in the distance The angle of elevation of the kite from her position is 65 degrees And the angle of elevation of the kite from

36. ## math

The polynomial x 3 + 5x 2 -57x -189 expresses the volume, in cubic inches, of a shipping box, and the width is (x+3) in. If the width of the box is 15 in., what are the other two dimensions? ( Hint: The height is greater than the depth.)

37. ## chemistry 2

What is the value for ∆Soreaction for the following reaction, given the standard entropy values? 2 Al (s) + 3Cl2(g) 2AlCl3(s) a.-503 J/K b.+503 J/K c.-140 J/K d.+140 J/K

38. ## physics

Two straight and parallel wires of length 1.0 m carry a current — the first carries a current of 9.0 A while the other wire carries a current of 4.0 A. What distance must separate the two straight and parallel copper wires if the force between them is to

39. ## physics

You shoot a 57 gram dart vertically upwards from a catapult with a spring constant of 379 N/m. The catapult is initially stretched from the equilibrium point by 30 cm. What is the height above the starting point reached by the dart? Ignore air resistance

From a hot air balloon, Sean looks through an angle of depression of 35 degrees to see LeAnn on the on the ground. If Sean and LeAnn are 500 ft. apart by the line of sight distance, to the nearest foot, how far is Sean off the ground? I used 500(cos55)

41. ## Physics

Help please A wire carries a current of 5.2 A from east to west through a 6.0 m section of wire in the earth's magnetic field of 1 × 10^-5 T at a location where the magnetic field points south. What is the magnitude of the magnetic force acting on the

42. ## algebra

one to one functions g and h are defined as g={(-4,5), (2,-5),(3,2, (4,0)} h(x)= 2x+9 find the following g^-1 (2) h^-1 x) (h*h^1)(-7)

43. ## physics

Two straight conductors are 15 cm apart. If one conductor has a current of 12 A and the other has a current of 18 A, calculate the magnetic field at a point midway between the two conductors. The current in both conductors is flowing in the same direction.

44. ## math *check*

1. You roll a number cube numbered one to six 12 times. P(5)=2/3. What type of probability is illustrated and why? A. Experimental; the result is based on the number of possible outcomes. B. Experimental; the result is found by repeating an experiment. C.

45. ## us hist

A tactic that the United States used that was very successful against the Japanese in the Pacific Theater of War was called "Island Hopping." True/False Is true?

46. ## Math

Determine the number of triangles that could be drawn with the given measure. Then, find the measures of the other angles and the other side in each possible triangle. Round side lengths to the nearest tenth of a unit and angle measure to the nearest tenth

47. ## Physics

. A weightlifter lifts a 76.0 kg barbell 2.60 m 20 times in 1.50 minutes. What is his power output (a) in watts and (b) in hp?

48. ## statistics

What is the null hypothesis for the following questions: Is there a relationship between heart rate and the number of cups of coffee drunk within the last 4 hours?

49. ## trigonometry

An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. To the nearest degree what is the angle of elevation of the airplane’s path?

50. ## Goemetry

segment PQ with endpoints P(4,2) and Q(2,17) is dilated by a scale factor of 4. Find the length of segment P',Q'

51. ## The twentieth century,part1

Was recognized as a musical pioneer who challenged convention and went against the grain

52. ## Algebra

Suppose you want to determine the number of miles you can drive in your car. Your car gets 20 miles per gallon. The number of miles traveled varies directly with the number of gallons of gas the tank holds. Write a direct variation equation that represents

53. ## physics

A child drops a ball from a height of 10 m. Assume its acceleration increases uniformly at the rate of 10m/s2. find the velocity with which the ball strikes the ground. Find the time taken to the ball reach the ground.

54. ## programming

1. Assume there are n-tyres that could be used by car, tricycle and bicycle. Write an algorithm to accept n-tyres and generate all the combinations of cars, tricycle and bicycle that would exhaust the n-tyres. 2. Assume S is a string of lower case

55. ## physics

An astronaut, mass 128.2 kg including spacesuit, pushes off from the International Space Station (mass 110 tons) with a speed of 1.2 m/s. What is the speed of the Space station in the opposite direction? Use 2 s f. for your answer

56. ## Algebra 1--Please, help me!

A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x

57. ## POL 201 week 1 Quiz

Question 1.1. In John Locke’s social contract, we (Points : 1) submit to the absolute authority of the sovereign. donate all our property to the aristocracy. can rebel against the sovereign whenever we want. exchange our absolute liberty for political

58. ## physics

An object of mass 1.6 kg is dropped from a height of 2.9 metres. It lands with a speed of 2.8 m/s. How much energy was lost due to air resistance? (Give your answer to 2 s.f., expressed as a magnitude)

59. ## physics

a wire of resistance 5omega is bent in the form of a closed circle . what is the effective resistance between the two points at ends of any diameter of the circle?

60. ## Algebra 1--Please, help me!

1. What are the x- and y-intercepts of the line described by 6x - 2y = 4? a. x-intercept: 2/3; y-intercept: 2 b. x-intercept: -2/3; y-intercept: 2 c. x-intercept: 2/3; y-intercept: -2 d. x-intercept: -2; y-intercept: 2/3 My answer: ? 2. Which expression is

61. ## Precalculus

Records from the buzz sawmill show that workers have 0.03 probability of losing a leg and a 0.04 probability of losing an arm in any one year. Armand leg casualty insurance company plans to offer insurance policies for the workers. The company will pay

62. ## Chemistry

A butane lighter had a mass of 24.643 grams before lighting and a mass of 24.592 grams after. How many mL of CO2 were produced? Assume STP.

63. ## Algebra II

The measure of the largest angle of a triangle is 90 more than the measure of the smallest angle, and the measure of the remaining angle is 30 more than the measure of the smallest angle. Find the measure of each angle. Show your work in obtaining your

64. ## PennFoster

when a european coffee maker becomes less expensive to buy in the united states, you could probably say that we're experiencing a

65. ## Math

a standard checkerboard with 8 blocks to a side contains 204 squares of various sizes. in how many such squares are there an equal number of red blocks and black blocks?

66. ## math

12 different flavors of ice cream and 2 different toppings. How many different kinds of sundaes could be made if each sundae contained 2 scoops of ice cream and one topping?

67. ## physics

2.00 m long straight copper wire has a current of 8.0 A in it as it passes through a magnetic field. The magnitude of the force on the conductor is 2.00 N. The angle between the current and the magnetic field is 45°. What is the magnitude of the uniform

68. ## Physics

In a model yacht race on a river five identical yachts A,B,C,D,E are released at the same time from different points along the starting line. a)why should C win? b) as they approach the finishing line they all slow down. Why?

69. ## history

Explain Japanese internment and what (if any) role that period plays in the racial politics and interaction of modern Americans.

70. ## Geometry

The radius of circle a (which is 6) is multiplied by 1/2. Describe the effect of the change of the area.

71. ## Chemistry

5.2 grams of magnesium metal are place in 400.0 mL of 1.0 M hydrochloric acid. The balanced equation for the reaction is: Mg + 2HCl = MgCl2 + H2. How many moles of H2 gas were produced?

72. ## Calculus

What is the total change of f(x), if f'(x) = 2x - 3x^2, over the interval [0, 3]?

73. ## physics

The elastic potential energy of an object may be negative Select one: True False

74. ## Computer Science!!!! Help!!!

The book is not doing anything for me. Anyone know where I can find step by step tutorial of this? Specifically for Visual Basic 2012? And not just a simplified version, I mean EXACTLY how to do this. I have been looking through YouTube, my textbook (An

75. ## Algebra

The Parker’s are installing a wooden fence in their backyard. They have 330 feet of wood. The length can be no more than 90 feet. Write and solve an inequality to find the maximum width of the fence.

76. ## Physics

with this one i'm confused i'm not sure if it's b or d The current in a solenoid is changed from 1.1 A to 4.4 A. By what factor does the magnitude of the magnetic field inside the solenoid increase? 2 4 0.5 0.25 1.1/4.4= 0.25 0r 4.4/1.1= 4

77. ## writing

in the topic sentence exercising three days a week will provide good physical health,what is the topic statement and what is the controlling sentence?

78. ## Algebra

quadratic equation who roots are -3 and -4 whose leading coefficient is 2 use the letter x to represent the variable

79. ## Math

At a carnival, Linda bought packs of tickets each. She has used of the tickets so far. How many tickets does she have left?

80. ## History

A. Killing Alexander Hamilton in a duel. B. Serving as Chief Justice of the Supreme Court for 34 years. C. Negotiating treaties that gained new lands for the U.S. D. Serving many terms in the House of Representatives. I think its B. But I am not sure, am I

81. ## history

I need some help on explaining what japans shogun is and if it was a policy of isolation or engagement?

82. ## Algebra

Quadratic equation whose roots are 5 and -5 with coefficient 3 using the letter x to represent the variable

83. ## Algebracan you answer my question

Solve the system by graphing. (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter DEPENDENT.) {x-y=4 {2x+3y=13 How can I tell if it is Inconsistent or Dependent Thank you

84. ## physics

In a spray can,the flow of air makes paint flow up the tube. As the air flows, it is blown away in droplets. A)as the air flows what happens to its speed and pressure? Why? B)why does the paint flow up the tube?

85. ## math.

Solve the double inequality 0

86. ## Calculus

Assume v(t) = 6t - 18 on the interval [0, 6]. Find the total distance that the object traveled on [0, 6].

87. ## statistics

For a normal distribution, explain why we calculate the probability of a range of numbers instead of the probability of a single number on the lines below?

1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d.

89. ## medical billing and coding

coding that is inappropriately altered to obtain a higher payment rate is called

90. ## PHYSICS

relation between time "t" and distance "x' is t=ax^2+bx where a and b are constant then acceleration is A / -2abv^2 b/ 2bv^3 C // -2av^3 D // 2av^2

92. ## Engineering science

a 50kg mass is suspended from a spring, causing it to extend by 30mm. calceolate the spring stiffness? The mass is then pulled down a distance of 90mm and released. calculate the frequency of the resulting motion, assuming that this is simple harmonic,

***i have to answer interviewing questions for my homework. Im stuck on how to answer them. Its just practice and can be general. What is the most difficult part of the job? What types of challenges would I face in this position/department?

94. ## physics

Calculate the magnitude of the force if a ball of mass 249.9 grams, and initial velocity +16.5 m/s is struck back on the same path with a final velocity of -22.0 m/s. Assume the contact time is 3.1 milliseconds. Use 2 s.f.

95. ## Criminology5019

Discuss social learning theory and how the criminal justice responses may be formed based on the assumptions of social learning theory?

At how many points does the graph of y = (x-6)^2 intersect the x-axis? A: Two.

97. ## Algebra

Define the functions f(x)=2x+5 g(x)=x^2-3 h(x)=7-x/3 compute (f-h)(4)

98. ## Algebra

T={(-7,5),(9,-4),(9,3),(0,-7)} give the domain and range of T

99. ## English

In the following sentence the word alternate is used as a verb or adjective? There must be an alternate solution to this problem. Thank You

100. ## algebra

Quadratic equation whose roots are 5 and -5 with coefficient 3 using the letter x to represent the variable please show steps

101. ## Maths

Find the maximum or minimum value of function and the value of x when it occurs: -2x^2+5x+5.

102. ## math

I need help explaing percentage s to my daughter such as a bike cost \$250 but it is on sale for%25 off

103. ## English

Q: What is the English name for the restaurant which carries food made with flour, a kind of flour based food restaurant?

104. ## English

If ramen a kind of street food?

105. ## physics

In a model yacht race on a river five identical yachts A,B,C,D,E are released at the same time from different points along the starting line. a)why should C win? b) as they approach the finishing line they all slow down. Why?

106. ## geometry

solve the proportion: 5/2=22/24w the answer is 11/30 but I don't understand how you get that.

107. ## Algebra

evaluate the two compositions (f*g)(x) (h*g)(x) using the functions F(x)=2x+5 g(x)= x^2-3 h(x)= 7-x/3

108. ## math helpppp !

Solve the equation and check soultion 2(13t-15)+3(t-19)=0

109. ## social studies help

List 4 instances where the United States have paid reparations and note what positive impacts (if any) these payments have made regarding American racial politics.

110. ## Math

Find the maximum or minimum value of function and the value of x when it occurs: -2x^2+5x+5.

111. ## algebra/can you show me how to solve problem

if f(x)=x^2+2, find the following, f(-3), f(3/2), f(b) Thank you

112. ## history African American

Describe 3 examples of being “Color Brave”

113. ## math

m=(monday tuesday wednesday ...sunday)

114. ## Math

Alex needs 2&1/4 cups of flour ,he has 2&3/10 cups Draw a number line that shows both fractions.

115. ## math

120 / 2p = 30