# Questions Asked onFebruary 15, 2014

1. ## Math: Probablity

A penny, a nickel, and a dime are flipped at the same time. Each coin can come out either heads (H) or tails (T). a. What name is given to the act of flipping the coins? b. There are eight elements in the sample space (i.e., HHH,THT, etc.). List all eight

2. ## MATH

AN AP has 21 term the sum of 10 ,11,12 term is 129 and sum of last 3 term is 237.find AP

3. ## decorative features

please check my answers to ics questions 04201800 1. In making a wool dress, a suitable finish for the neckline opening of the dress is a A. wrap and strap opening. C. bound opening. my answer is d B. continuous strip opening. D. faced-slit opening. 2. In

4. ## physics

A truck with 0.385 m radius tires travels at 44.5 m/s. At how many radians per second are the tires rotating?

5. ## Maths

Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre. This time I'll post the given formula too. Sorry to leave it out before! The dB scale for measuring loudness, d, is

6. ## physical

a 50 kg object moving at 12 m/s has a momentum of 600 kg times g m/s . what is the mass of an object moving at 4 m/s that has the same momentum?

7. ## Physics

You are on an airplane traveling 30° south of due west at 130 m/s with respect to the air. The air is moving with a speed 30 m/s with respect to the ground due north. One question.. 2) What is the heading of the plane with respect to the ground? (Let 0°

8. ## Chemistry

A piston is holding 125 mL of gases at a temperature of 300 K and a pressure of 2.39 atm. What is the volume of the gases if the temperature is increased to 500K and the pressure falls to 2.15 atm?

9. ## PHYICS

a turn table is turing at a rate of 45 rad/sec and comes to rest after 5 second.how many rotation does it make before coming to rest?

10. ## physical science

A frog jumps at the angle of 60 degrees to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog

11. ## Math

Ned's Sheds purchase building materials from Timbertowm Lumber for \$3,700 with terms of 4/15, n/30. The invoice is dated October 17. Ned's decides send in a \$2,000 partial payment. Question 1: What is the net date? Question 2:If partial payment was sent by

13. ## area and perimet

Farmer Brown has 700 yards of fencing with which to build a rectangular corral divided into two pens. He builds a corral that uses the river as one side so he only has to fence the other 3 sides and the divider down the middle

14. ## perimeter

A garden is in the shape of a rectange. One side of the garden has 20 ft ength the other has a length of x. You pan to build a sidewalk of wdth 4 ft to surrond the garde . The cost to dig and pour concrete is \$88 per sq ft. Exoress the cost to buid the

15. ## Physics

The gravitational force exerted on a baseball is 2.28 N down. A pitcher throws the ball horizontally with velocity 12.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 177 ms. The ball starts from rest. (a) Through

16. ## Social Studies

If you are a member in Liberal party, what would you say about the great depression in Canada, I mean your idea?

17. ## Differential Equations, Matrices

Using the matrix [cosx -sinx] [sinx cosx] rotate the parabola y=3x^2+2 by 45 degrees. State the equation of the rotated parabola and then state the coordinates of the rotated vertex and the points (-1, 5) and (1, 5)

18. ## VOCABULARY

AFTER ANOTHER HOUR LUCY WALKED FROM HER SLEEP, FRESH AND BRIGHT AND SEEMINGLY NOT MUCH WHAT WORSE FOR HER TERRIBLE ORDEAL. AN ORDEAL IS A a. vision b. test c. mistake d. nightmare answer... d. nightmare

Explain how the sun's temperature will change over time as it ages.

20. ## Astronmy

How far in degrees will Mercury suppose to be from the Sun on February 5, 2014 and how did you determine it?

21. ## analytical chemistry

How much NaOH (in grams) would there be in 0.25 litre of a 0.3M solution?

22. ## analytical chemistry

You are asked to make a 0.3M CaCl2 solution in a flask that can hold 200 ml. How would you do it?

23. ## Social Studies

laissez-faire and different political ideologies:conservative, liberal and socialist.

24. ## Astronomy

Why is it possible to see the planet Mercury at 6:45 pm on February 5, 2014.

25. ## college math

What is 6x to the third power plus 27x to the second power minus 15x

26. ## Physics

If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface?

27. ## Differential Equations

Solve dy/dx = y/(2y-x) using rational substitution (using v=y/x) with the initial condition y(0)=1. I solved this problem and found C (the constant) to be undefined. That is not the correct answer.

28. ## physical

what is the size and direction of the final velocity of the two cars when a 0.4 kg toy train car moving forward at 3 m/s collides with and sticks to a 0.8 kg toy car that is traveling the opposite direction of -2 m/s

29. ## math

a seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.5 *10^2,find the earthquakes magnitude. round one decimal

30. ## Just a question

What's a module?

31. ## Astronomy

What five object were found in the sky on February 5, 2014 at 9 pm.

2 and 1/5 + 7/5 + 5 and 1/2 Help asap

33. ## RE: Physics

If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface? Physics - Damon, Saturday, February 15, 2014 at

34. ## algebra

You had 207.00,but 2.00each day which algebraic expression describes the situation where d represents the number of days. Answers are 207+2d, 205d, 2+207d,207-2d

35. ## math

contract the expression,use the property of logarithms to write each expression as a single logarithm with a coefficient of 1

36. ## Math help

How would u solve these systems? 1. 2a-b=1 a+3b=4 2. Y-x=2 2x+y=8

37. ## Physics Help

A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. What is the rocket's acceleration? I used the equation a= F/m to get 20 m/s2 but it was wrong and I don't know where to go from here still?

38. ## Chemistry 106 ch 11

Calculate the heat released when 73.5 g of steam at 122.0 C is converted to water at 39.0C. Assume that the specific heat of water is 4.184 J/g C, the specific heat of steam is 1.99 J/g C, and change in heat vap =40.79 kJ/mol for water.

39. ## Calculus

Line l is tangent to the graph of y= x - x²/500 at point Q & it crosses the y-axis at (0, 20) a). Find the x-coordinate of point Q b. Write an equation for line l c) Suppose the graph of y=x-x^2/500, where x and y are measured in feet, represents a hill.

40. ## Math fractions

sorry about the other one its a type its 2 and 1/5 + 7/3 + 5 and 1/2

41. ## Physics

If a frictionless incline has a difference in height from one end to the other of 19.5 cm and has a length along the incline of 1.36 m, find the time it takes for a block of 1.1 kg, starting from rest, to slide down the ramp from the top to the bottom of

42. ## Health/Writing

So I'm writing a story about a guy who gets brain tumor because of a car accident. I know it may be a stupid question, but how can someone retrieve tumor in such a situation? Or where can radiation, enough to give cancer, be found. Maybe a place or a truck

21/4 - 22/5

I seriously need one more and I'm done :D 38/5 - 3 and 1/2

45. ## Probability

* I have a question. The sentence below says, "A PENNY, a NICKEL, and a DIME are flipped....." Does this go in order? That is,.....for example: (H,T,H)The first H is for PENNY, the T is for NICKEL, and the last H is for DIME? A penny, a nickel, and a dime

46. ## Trig

If f(x)=cos^2x and g(x)=sin^2x, what is (f+g)(pi/15)

47. ## economics

what do I put for this question how could the following affect your company?I have a cleaning company----change in technology, government regulations the economy and industry please help thank you

48. ## rate of change

What's the avearage rate of change of f(x)=x^2-4x+7 on the interval 1

49. ## Chemistry

If a sample of gas occupies 25.0 mL at -25°C and 650 mmHg, what is the volume at 25°C and 353 mmHg? (Could you please show me step by step?)

50. ## physics

What is the magnitude of electrostatic force that acts on each sphere?

51. ## Managerial Economics

Why the cost structure associated with many kinds of information goods and services might imply a market supplied by a small number of large firms.

52. ## English

What resource whether its online etc can LGBT community support, how can they get help? Thanks!

53. ## algebra

You had 207.00,but spend 2.00each day which algebraic expression describes the situation,where d represents the number of days ? Answers are 207+d, 205d, 2+207d, 207-2d

54. ## Cary MS Math

How do you find the volume of a rectangular prism

55. ## Math help

How would u solve this systems? 1. Y-x=2 2x+y=8

56. ## Editorial Evaluation (Writeacher)

What do you think? Does it require any improvements? What do you suggest? What I have been assigned: "[w]rite a 3-paragraph editorial that tries to persuade students at the University of Georgia to accept African-American students." What I have written:

57. ## precalculus

solve: 5 ^(x+2) - 5^(x+1) = 5

58. ## Math

Tenths Playground Fence painting Painter. Red posts. White posts. Blue posts Annie 7 2 1 Chun. 1 3 6 Felipe. 9 0 1 Hans. 1 8 1 Matt. 4 3 3 Nicole. 3 5 2 Write a fraction and decimal that matt painted red and white . The answer,, 1- 4/10 and 0.4 3/10 and

59. ## pre calculus

Slove: 2logbase5(x+2) = 2 + log base5(x-2)

60. ## Pre-Calc

How do I solve this equation? 4^x * (1/2)^3-2x = 8*(2^x)^2

61. ## English

Write the vocabulary word from the word box that matches each idea. Communicate - flick - alert- signal - chatter - grooms. 1/.............to make neat and clean . Answer: grooms 2/............. to tell a person or animal something. Answer: communicate 3/

62. ## Algebra II

1. 4^x - 3(4^-x) = 8 I got where 4^x = 4 + square root (19), but I can't solve further. The answer is (log (4 + root (19)) ) / (log 4). 2. log (x^2) = (log x)^2 Solve for x Thanks!

63. ## ms240l

2x=18 y if y=kx where is the constant of prooortionality then what is the value of k?

64. ## chemistry

a 2.52-g sample of a compound containing only carbon, hydrogen, nitrogen, oxygen, and sulfur was burned in excess O to yield 4.23 g of CO2 and 1.01 g of H2O as the only carbon and hydrogen containing products respectively. Another sample of the same

65. ## Music

What is dubstep?

66. ## Physics

The radius of the moon is approximately one quarter of the earth's radius,and its mass is on eightieth of the earth's mass.Calculate the weight of a man with a mass of 80KG on the surface of the moon

67. ## Physics

4. A basketball is thrown from a height of 1.60(m), with an angle of 45o above the horizontal. (a) With what initial speed must the basketball be thrown so that it reaches the basket at the highest point of its trajectory? The basket is at a height of

68. ## math

use 3/8 of a thin of paint, what fraction of the paint is left in the thin (show work)

69. ## Maths

Find the number of decibels of sound produced by a jet engine at a distance of 50 metres if the intensity is 10 watts per square metre.

70. ## Calc

Let f be the function that contains the point (-1,8) and satisfies the differential equation dy/dx=10/(x^2+1) (a) Write the equation of the tangent to f at x=-1. (b) Use your equation in part a to estimate f(0). (c) We know that the integral from -1 to 0

71. ## Editorial Evaluation (Writeacher)

What do you think now? I tried to follow your advice as well as the instructions in the website link you provided for me. Correction: "As a student, why have you enrolled in the University of Georgia? What do you wish or intend to gain? You might answer by

72. ## Math

Working on patterns. There is a diagram. Its a rectangle with the numbers 10, 16, 23 in each corner. Inside the rectangle is a circle and inside the circle are the numbers 9, 12, 24. The directions say to place the numbers 8 to 26 either inside or outside

73. ## chemistry

when does 4+4=9

74. ## Chemistry

1) Calculate the energy. in joules, of a photon of wavelength 1.250x 10^3 nm 2) If 3.011x 10^23 molecules have a mass of 20.04 grams, what is the molar mass of the substance? Is it 40.07g/mol? 3) 47.5g of Boron contains __________ atoms of B? Is it

75. ## Algebra

A square green rug has a blue square in the center.the side length of the blue square is x inches .the width of the green band that surrounds the blue square is 6 in.What is the area of the green band?

76. ## Math

What type of stores have a high markup with low volume? What type of stores have a low markup with high volume?

77. ## Math

A jet climbs at an angle of 26 degrees to the ground. The cruising height for the jet is 8000m, the climbing speed is 300km/hr and the cruising speed is 450km/hr. How far is it from the airport 5 minutes after taking off? Please explain thoroughly.

78. ## Calculus 3

If the curve of intersection of the parabolic cylinder y = x^2 and the top half of the ellipsoid x^2 + 5y^2 + 5z^2 = 25. Then find parametric equations for this curve.

79. ## Physics

A coin is dropped from a hot-air balloon that is 325 m above the ground and rising at 12.5 m/s upward. For this problem use a coordinate system in which up is positive. Find the maximum height reached for the coin in meters

80. ## Physics

An 80 kg hiker climbs a 1000 m high hill at a constant speed. If the hiker's body is 25% efficient, how many kg of fat does the hiker burn in climbing the hill? Given: heat of reaction of body fat is 37000 kilo joules per kilogram. I know that change in

81. ## Physics

A constant force of 100N , directed upward, is applied to a 5.0kg toy rocket by the rocket's engine. Find the rockets acceleration? I thought it'd be as simple as F=ma to be 20 m/s2 but I was wrong. What am I overlooking?

82. ## English

Yes, I wrote the sentences incorrectly: Thank you He was seen to watch the TV He is still dependent on ... but independent of.... I was so angry WITH him FOR behaving like that in front of everyone. (about behaving would be a mistake?) The teacher was

83. ## projectiles

a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?

84. ## physical sciences

a small brick mass 700 g is projected vertically downwards at a velocity of 1,25(m/s) from the top of a building of height 25m.calculate the magnitude of the velocity at which the brick hits the ground?

85. ## Economics

C=15+0.50Y+0.0.5W I=100 W=1,200 Calculate the values of equilibrium Y,C,and S

86. ## physics

You are holding the neck of a champagne bottle at an elevation of 27 degrees when you pop the cork. The highest point in the cork's flight is 3.5 m above its initial height. What was the cork's initial speed? Use SI units in the second box.

87. ## PHYSICS

You shoot your potato gun horizontally from shoulder height, which is 190 cm. The potato lands 15 m away from you. You would like the potato to go 90 m, so you climb up a ladder and fire the gun horizontally from there. How high over the ground must the

88. ## chemistry

you have two sample of mannitol .one melted between 168-169 c and the other melted between 161-168 .which sample has the greater purity? why?

89. ## Science

These questions refer to tides. 1. Why are vertical clearances of bridges along navigable waterways given as heights in feet above mean(average) water height? 2. Why would knowledge of tides be of any importance in a military landing action?

90. ## Physics

Your potato gun has a muzzle velocity of 34 m/s. You want to shoot a potato and have it strike the ground 2.4 seconds later. At what elevation do you have to fire the gun?

91. ## economics

C=15+0.60+0.04W I=200 W=1,200 Calculate the value of the equilibrium

92. ## Linear Algebra

Use the existence and uniqueness theorem to determine where solutions will exist and be unique for the differential equation: dy/dx=((2x-y)^2)/(x^2y+2xy^2)

93. ## PHYICS

A car moving with constant speed in a circular path experience a centripetal acceleration if speed of car increases by three factors but the circular path remain same.What is the new centripetal acceleration in term of original ac?

what job or carrer i can get when i am leaning this subjects?

95. ## Math

Solve log(x4 power)=(logx) 3 power

96. ## Math

2 power4x-1= 3 power1-x

97. ## physical science

A frog jumps at the angle of 60% to horizontal with initial velocity of 10.0m/s 1. calculate velocity Voy of the frog 2 calculate acceleration ax of the frog

98. ## Chemistry

Assume that some of the magnesium nitride is not completely converted to magnesium hydroxide and subsequently to magnesium oxide. Will your empirical formula be too high in magnesium or too high in oxygen? Please show any calculations you used to determine

99. ## math

In the number 7,725 which places contain digits where one digit is ten times as great as the other ?

100. ## math

I am helping my daughter and I need help on this question in the number 57,733 contains two sets of digits in which one digit is ten times as great as the other what are the values of the digits in each set help please!!!!

101. ## Math help polynomial

multiply the following polynomial -3x(y^2+2y^2) answer choices 3xy^2-6xy^2' -3xy^2-gxy^2 -3xy^2+5y^2 -9xy^2 The last one was the answer. Can you tell me how the answer was solved? Thanks!

102. ## Chemistry

An aqueous salt solution has a freezing point of -.5 degrees Celsius and causes neither swelling or shriveling of cells. The kf of water is 1.86 K kg/mol. What is the osmotic pressure that is exerted on cells when placed in pure water? (ignore differences

103. ## Health

10. Which of the following sentences should not be used in "I" messages? (Choose 2) A) You make me feel humiliated when you criticize me. B)It's hard for me to think clearly when you are singing. C)I would like us to leave on time in the future. D)I do not

104. ## Physics Total Mechanical Energy

What is the total mechanical energy of a 575 kg roller coaster that is at rest 50.0 m above the lowest point on the ride? The maximum possible speed of the roller coaster is 31.3 m/s. (do not include units in your answer)

105. ## statistics

Below are six data sets with 6 randomly selected scores in each data set. Your task is to determine if the scores were drawn from a population with μ = 5. Before you calculate the one-sample t test for each sample, make a guess as to whether or not you