# Questions Asked onFebruary 14, 2014

1. ## math

There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? 14:3 11:3 3:14 or 3:11

2. ## Math

Yesterday, a parking lot had 60 cars parked in it. Of the cars parked in the parking lot, 40% were silver, 14 were red, and the rest were blue. How many of the cars were blue ( I Picked 6 cars) Answers To Choose:24 cars 38 cars 22 cars or 6 cars

3. ## Math

Emily has 85 books on her bookshelf. Of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. What is the simplified ratio of fantasies to total books on her bookshelf (i got 10:17 ) answers list:35:50 7:17 5:8 or 10:17

4. ## Math

A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas ( i got 1,032 ) answers to choose:1,032 miles 1,548 miles 1,204 miles or 1,376 miles

5. ## ENGLISH

1. Consider this quote: "In each of these historical instances . . . mistrust led to misunderstanding, which led to armed conflict." The ellipsis in this quote is appropriate if A. the omission is longer than 10 words. B. the meaning and spirit of the

6. ## Math

Everyone in Andy’s class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish their projects (got 4 students)

1. During the election of 1824, which candidate won the popular vote and which candidate won the presidency? a.) Andrew Jackson; John Quincy Adams ***** b.) Andrew Jackson; Andrew Jackson c.) John Quincy Adams; John Quincy Adams d.) John Quincy Adams;

8. ## Pre-Cal

A Ferris wheel is 50 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 9 minutes. You make two

9. ## ENGLISH

1. Audrey said that Kyle was the most unique person she had even met. Why doesn't this statement make sense? A. What is unique to Audrey may not be unique to others. B. Something is either unique or not unique. C. Kyle is probably not unique. D. No person

10. ## Pre-Cal

A Ferris wheel is 40 meters in diameter and boarded from a platform that is 5 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel completes one full revolution every 7 minutes. You make two

11. ## Math

A batter hits a baseball straight up into the air. The height of the ball in metres above the ground is given by h(t)=-4.9t^2+23t+2, where t is the number of seconds after the ball is hit. a) What is the average rate of change in the height of the ball

12. ## precal

A kite flier wondered how high her kite was flying. She used a protractor to measure an angle of 36 degrees from level ground to the kite string. If she used a full 140-yard spool of string, how high, in feet, was the kite? (Disregard the string sag and

13. ## Arithemetic progression

the sum of 18term of an A.P is549 given the common difference is 3 find the 56th term and the sum of its 32term

14. ## Physics

two objects attract each other gravitationally with a force of (2.5)(10^-10)N when they are 0.25m apart. Their total mass is 4.0 kg. Find their individual masses.

15. ## Math

Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent?

16. ## precal

The Singapore Flyer, currently the world's largest Ferris wheel, completes one rotation every 37 minutes. Measuring 150m in diameter, the Flyer is set atop a terminal building, with a total height of 165 m from the ground to the top of the wheel. When

17. ## precal

A Ferris wheel is 32 meters in diameter and makes one revolution every 4 minutes. For how many minutes of any revolution will your seat be above 24 meters?

18. ## Check my work plz?

2. If mangle sign1 = 53°, what is mangle sign4? 53° 43° 37° 27° 3. If mangle sign1 = 50°, what is mangle sign5? 50° 40° 35° 25° 5. If mangle sign4 = 75°, then what is mangle sign8? 105° 75° 175° 25° 11. Name the triangles that are classified

19. ## Physics

In a laboratory experiment, one end of a horizontal string is tied to a support while the other end passes over a frictionless pulley and is tied to a 2.6kg sphere. Students determine the frequencies of standing waves on the horizontal segment of the

20. ## precal

The temperature of a chemical reaction oscillates between a low of 40 degrees C and a high of 100 degrees C. The temperature is at its lowest point when t = 0 and completes one cycle over a five-hour period. (a) Sketch below the temperature, T, against the

21. ## Math question

Name the triangles that are classified by angles. right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute

22. ## physics

A snowmobile is originally at the point with position vector 28.7 m at 95.0° counterclockwise from the x axis, moving with velocity 4.85 m/s at 40.0°. It moves with constant acceleration 1.94 m/s2 at 200°. After 5.00 s have elapsed, find the following:

23. ## Physics

1. Consider four vectors ~F1, ~F2, ~F3, and ~F4, where their magnitudes are F1= 57 N, F2= 38 N, F3= 25 N, and F4= 67 N. Let θ1= 130◦, θ2=−130◦, θ3= 29◦, and θ4=−64◦, measured from the positive x axis with the counter-clockwise angular

24. ## Ethics

1. Those things that we hold to be worthwhile and worth pursuing, such as freedom, happiness, and health, can be thought of as: A. virtues. B. values. C. vices. D. obligations. is it B 2. Which of the following would NOT be an example of a moral value? A.

25. ## algebra 1/BGe

Geometry.the figures below are squares.find an expression for the area of each shaded region.write your answers in standard form.

26. ## More Rational Exponents!

1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the

27. ## Algebra-help

what is y=2/7x-4 written in standard form? A. 2x+7y=-28 B. 2x-7y=28 ****** C. -2x-7y=-28 D. -2x+7y=28 My answer is B???

I will appreciate it if anyone can help me with the following: 1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the

29. ## Ethics

1. "Goods" that are valued as a means to some other good are referred to as: A. intrinsic. B. instrumental. C. extraneous. D. non-essential. im confused between A and B 2. Which of the following refers to the study of questions concerning right and wrong

30. ## Physical Science

An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter?

What was the hiker's average velocity? Distance = 6km West Starting Time = 9:45 Ending Time = 10:45 A. 4.0 km/h south B. 0.10 km/h north C. 10 km/h south west D. 6 km/h west

32. ## Chemistry

Chester makes 1L of a 0.01M HCl solution and measure the pH. Burt then adds 5.80 g of sodium chloride to Chester’s solution and measures the pH. Calculate the difference between the two pH values obtained.

33. ## Math

For each pair of functions give a characteristic that the two functions have in common and a characteristic that distinguishes them. a) f(x)=1/x and g(x)=sinx b) f(x)=x and g(x)=[x] c) f(x)=2^x and g(x)=sinx

34. ## chemistry

2Hg+O2=2HgO if 50.0 grams of mercury reacts with 50.0 grams of oxygen gas, how many grams of mercury(ii)oxide are produced?

35. ## Math

Rectangle ABCD is similar to Rectangle EFGH. If AB = 5 feet, BC = 12 feet, and FG = 25 feet, what is the length of EF

36. ## physics

A boat crosses a river of width 98.4 m in which the current has a uniform speed of 1.84 m/s. The pilot maintains a bearing (i.e.,the direction in which the boat points) perpendicular to the river and a throttle settingto give a constant speed of 2.11 m/s

37. ## Anne Frank (another question :/)

How is Edith Frank different from her husband in Anne's eyes? A. Edith is more caring and generous than her husband. B. Edith is not as religious as her husband. C. Edith is more cold and crude than her husband. D. Edith is lazier and less helpful than her

38. ## Geometric Constructions HELP!

Congruency means that two figures or items are exactly the same size and shape. Where in life would it be vitally important for two or more items to be congruent? Can you give me ideas or examples about: the with wings of an airplane and tires of a car.

39. ## algebra

2. The sum of both digits, of either of two two-digit numbers, in whatever order the digits are written, is 9. The square of either of the digits of either number, minus the product of both digits, plus the square of the other digit is the number 21. The

40. ## Science

in a cathode ray tube, the number of electrons that reach the florescent screen is controlled by the A. anode b. cathode. c. deflecting plate d. grid

41. ## chemistry

Breaking the hydrogen bond between two water molecules is called dissociation

42. ## physics

A golf ball with a mass of 48.0 g can be blasted from rest to a speed of 69.4 m/s during impact with a club head. Assume that the impact lasts only about 1.010 ms. Calculate the change in momentum of the ball. Calculate the average force applied.

43. ## Chemistry

If the surface area of a human body is 17,500 square centimeters, what is the total weight of the atmosphere on a human body expressed in pounds?

44. ## maths

A car travelled 300km at 60km/h. How long did the journey take?

45. ## geography

1-20 can you please check my answers marked with *** which of the following were the main proponents of NAFTA? a. labor unions b. human rights groups c. environmentalists ***d. large corporations in the 1950s 40 percent of the u.s workforce was engaged in

46. ## Simplify

Simplify the following number. ∛729 I think it is ∛9, but I do not know. Please help, and check my answer. I will appreciate it if you guys can answer this as soon as possible. It is part of a RATIONAL EXPONENTS question. The original equation was

47. ## Maths

Firm has a \$500,000 loan with 9% APR (compounded monthly) Loan is 5-yr based on a 15-yr amortization, meaning loan payments will be calculated as if you take 15 years to pay off the loan, but actually must do so in 5 yr. To do this, you make 59 equal

48. ## Math

A bicyclist is competing in a tournament. He is currently in a very hilly part of the tournament's course. For his current hill, his height in metres over time in minutes is modelled by the function; f(x)=-0.00075x^2-0.5825x+17.269 a) Estimate the

49. ## Math.G.P

The 1st term of a G.P is equal to x-2,the 3rd term is x+6 and the arithmetic mean of the 1st and 3rd terms stands in the ratio to the 2nd 5:3.find the value of x.

50. ## ijhs

The difference between a two-digit number and the number obtained by interchanging the positions of its digits is 36. What is the difference between the largest and the smallest of these two digits?

51. ## physics

A 5.2 kg projectile is launched from a launching device. It leaves the launcher traveling at 4000 m/s. The net force during the launch was equal to 4.3×105 Newtons. How much time did the project spend in the launcher?

52. ## Chemistry

The free energy profile as the reaction goes from reactants to products is a straight diagonal line from 50 kj/mol to 80 kj/mol. Is the reaction exothermic or endothermic? Does the reaction involve only pure solids and liquids? Is the equilibrium constant

53. ## math

9. On a spelling test Carlos had to spell 25 words. He earned 4 points for every word he spelled correctly. Which equation can be used to find p, the total number of points Carlos earnedfor spelling w words correctly? A p w −. B p = 4. ) C p w. = 4. D p

54. ## Goals

What are some examples of long-term goals regarding career and education?

55. ## Physics

A rower whose speed of rowing is u crosses a river of width s to a point exactly opposite. Find the time of the journey if the speed of the stream is V( less than u)

56. ## Ethics

1. Which of the following would be of greatest concern from an ethical standpoint? A. The number of homicide victims in a given place during a given time period B. The legal elements of the crime of homicide C. Whether capital punishment is a justifiable

57. ## Chemistry

If the equilibrium constant K equals .05, and the reaction C3H8=C3H6 + H2 (all gases), starts with pure C3H8 and is allowed to reach equilibrium at 200 K at a total pressure of 2 bar. Calculate the partial pressure of H2 at equilbirum.

58. ## 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

59. ## Simplify (Another Question/problem) 3

Simplify. (27a^(-6) )^(-2/3) I got 1/(9a^4 )as my answer, but can someone again please check this. I will appreciate it. I am just unsure if it is correct or not.

60. ## Math 2

Olivia ties 2.5 feet of ribbon onto one balloon how many yards of ribbon does Olivia need for 18 balloons?

61. ## chemistry

A solution is made by dissolving 7.084 g of aluminum nitrate, Al(NO3)3, in 123.0 g of water. What is the mass percentage of solute in this solution? this feels like a simple problem but i just don't know. divide the two?

62. ## B-Tech mechanical

At a point in a strained material the principal stresses are 60MPa and 40MPa. Find the position of the plane across which the resultant stress is most inclined to the normal and determine the value of this stress.

63. ## Chem

How many moles of oxygen are in Na2Cr2O7

64. ## Simplify 2

Simplify the equation. 〖19〗^(1/2)∙〖19〗^(1/2) I simplified it and I got 19. I used the equation that Steve did to solve the other one in Simplify. Please check, and see if I am correct. I will appreciate it.

65. ## physics

A 1200kg car travels at a constant speed of 12 m/s around a horizontal, circular track with a radius of 45m. What is the magnitude of the centripetal for

66. ## English Speech Paper (can some1 revise it)PLZ&TY

Gun Control I do not understand why people believe gun control actually works or why we need it. Guns, like other weapons, though more deadly and possibly more convenient to use, are still inanimate objects and are not the cause of violence or killings.

67. ## Statistics

In the population of typical college students, _ 5 75 on a statistics final exam _X 5 6.42 . For 25 students who studied statistics using a new technique, X 5 72.1. Using two tails of the sampling distribution and the .05 criterion: (a) What is the

68. ## Physical Science Need Help Quick PLEASE:)

A polo player hits a ball with a mass of 0.42 kg with a force of 7.35 Newtons. How does the force the polo player's mallet exerted on the ball compare to the force the ball exerted on the mallet? A. The force of the mallet on the ball is equal in magnitude

69. ## Algebra

you can represent the width of a certain rectangle with the expression x + 2. the length of the rectangle is twice the width. what is the area of the rectangle? A.) 2x+4 B.) 2x^2+8 C.) 2x^2+8x+8 D.) 4x^2+16x+16 I'm not sure on the answer..... Please help

70. ## Math PLZ help

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle?

71. ## Physics

A golfer hits a shot to a green that is elevated 3 m above the point where the ball is struck. The ball leaves the club at a speed of 16.1 m/s at an angle of 44.0° above the horizontal. It rises to its maximum height and then falls down to the green.

72. ## Intermediate Algebra

In 1992, the life expectancy of males in a certain country was 71.1 years. In 1997, it was 73.4 years. Let E represent the life expectancy in year t and let t represent the number of years since 1992. The linear function E(t) that fits the data is

73. ## Math

Why is raising a number to the power of 1/2 the same as finding the square root of the number? Can someone please help. Please provide examples. I would appreciate it if you guys can help as soon as possible.

74. ## Physics

The rectangular and polar coordinates of a point are (x, y) and (r, θ), where x= 4 and θ= 46◦. a. Determine the value of r. b. Determine the value of y.

75. ## Chemistry

A sample of oxygen gas occupies 500.0 mL at -185°C and 75.0 cmHg. Calculate the temperature in °C if the gas has a volume of 221.0 mL at a 55.0 cmHg.

76. ## Math

Determine the value of 'a' so that the average rate of change of the function h(x)=x^2+3x+2 on the interval -3

77. ## Math

State two types of functions that you know that do not have a maximum or a minimum when the domain is the set of all real numbers.

78. ## Physics

Consider four vectors ~F1, ~F2, ~F3, and ~F4, where their magnitudes are F1= 57 N, F2= 38 N, F3= 25 N, and F4= 67 N. Let θ1= 130◦, θ2=−130◦, θ3= 29◦, and θ4=−64◦, measured from the positive x axis with the counter-clockwise angular

79. ## Algebra

find the number of decibels for for the power of the sound given. Round to the nearest decibel. a rocket engine, 2.4 X 10 -5 watts/cm2

80. ## Testing

What are two strategies to follow when critically evaluating a study?

For what values of a and b is the line –2x+y=b tangent to the curve y=ax^3 when x=–2? a= ? b= ?

82. ## chemistry

what the balance equation for solid carbon

83. ## English

Can someone check if the following prepositions/verbs are correct? Thanks 1) I couldn’t help CRYING 2) It’s no use EXPLAINING it to him; he won’t understand. 3) He was seen TO the watch. 4) I can’t afford TO BUY it. 5) Norma is anxious ABOUT making

84. ## economics

What does Wheelan think about protectionism? what policies does he believe are better at assisting workers who have been displaced by trade?

What is the length of approximated to the nearest tenth? A. 49 B. 32 C. 23 D. 7 Side AB has a length of 7x and Side CB has a length of 9x - 14. It is an equilateral triangle.

86. ## Science

How do you figure the average speed of something? What is the formula is what I really need. :)

87. ## Chemistry

There are two open beakers placed in a sealed box at constant temperature. Beaker 1 has 25 ml of .1 M NaCl in water. Beaker 2 has 45 ml of .05 M NaCl in water. What happens as the system goes towards equilibrium and what is the final contents in each

88. ## Math

If f(x)=x+4 and g(x)=x-4 a)Find an expression for (f*g)(x)? b)what is the minimum value of the function (f*g)(x) I used the * sign for a times symbol.

89. ## Math

Which equation is true? square root 8^2 = 4 square root 6^2 = 24 square root 5^2 = 5 ****** square root 3^2 = 81

90. ## Math

Assume an annual 6% return and annual compounding if Tara saves \$2000 a year for 40 years how much money would she have at the end?

91. ## Economics

Why does Wheelan argue that international trade is beneficial?

92. ## Caculus f'(x)

For what values of a and b is the line –2x+y=b tangent to the curve y=ax^3 when x=–2? a= ? b= ? Thanks guys!

93. ## English

Can someone check these sentences, please? I thank you in advance. 1) Lady Macbeth "becomes sleepwalking" 2) Cowardice is the ability to bear the sorrows of our life and to stay alive, while courage is facing death by committing suicide 3) We can't be sure

94. ## Math

State two points on the graph of y=sinx that will give an average rate of change of 0?

95. ## Calculus

How to find x-intercepts from x(x-2)(x+2)?

96. ## Math

If f(x)=-3x+5 and g(x)=9x-2, what is the slope of the graph of the function (f-g)(x)?

97. ## English (The Diary of Anne Frank)

I loved this book but my homework askes me a question that Im not quite sure on ---- Otto Frank is best described as: A. friendly, generous, and agreeable. B. detached, reserved, and emotionless. C. quiet, naïve, and passive. D. loud, brash, and

98. ## Chemistry

A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

99. ## MATH

HOW DO YOU SIMPLIFY SURDS WITH CUBED 98 ROOT?

100. ## math

What is;the average speed in miles per hour for a plane that was :filled with 13 quarts of oil that flies a distance of 3,300 miles

101. ## Math HELP

A 30°–60°–90° triangle has a hypotenuse with a length of 18. What is the length of the shorter leg of the triangle? A.5 B.5 sqrt 3 C.5 sqrt 2 D.20 Don't understand.

102. ## chemistry

A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

104. ## eNGLISH

Can you please tell me if the sentences are grammatically correct? e.g. "facing death" or the ability to face death Hamlet doubtful about the existence of an afterlife.

105. ## Math

Please help! 1.3-2.5xor equal to 1.3 I have been on this for hours and can't figure it out Thank you

106. ## Chem

How many moles of copper are in21,000g

107. ## Chemistry

What is the final Celsius temperature if 4.42 L of nitric oxide gas at 35°C is cooled until the volume reaches 1.00 L? Assume the pressure remains constant.

108. ## math

Tyson handled 150 service calls on his shift yesterday. Of those, 20% resulted in a successful upsell of additional services. If Tyson makes a \$6 commission on top of his regular salary for each successful upsell that he makes, how much commission did he

109. ## Urban Developement

why are interfaith and long island hospital closing?

110. ## Math

The instantaneous rate of change of g(x) is the same for every real value of x. What type of function is g(x)?

111. ## math

On each flight an airplane is filled with 10 quart of oil for each planned hour of flying write an equation that can be used to determine ﻿the planned flying time, h, in hours, for an airplane filled with 13 quarts of oil