# Questions Asked onJune 10, 2014

1. ## Math

Ms. Sue please help! A radio signal travels at 3.00 • 10^8 meters per second. How many seconds will it take for a radio signal to travel from a satellite to the surface of Earth if the satellite is orbiting at a height of 3.54 • 10^7 meters? Show your

2. ## Physics

(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a mid-term test. box-and-whisker plot Josh received 72 on the test. Describe how his score compared to those of his classmates. (1 point) About 25% scored higher; about 75%

6. Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there is a star on their receipt. So far, 147 of the first 156 customers have not received a star on their receipts. What is

5. ## math (cant figure it out)

3. A number cube is rolled 120 times. The number 4 comes up 47 times. What is the experimental probability of rolling a 4? What is the theoretical probability of rolling a 4? A. 47/120; 1/30*****? B. 47/120; 1/6 C. 4/47; 1/6 D. 1/6; 47/120

6. ## Math

Ms. Sue please help! 7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) –t + 4 dollars –t – 6 dollars 15t – 6 dollars 15t + 4 dollars 8. f 2 ∙ f 3 (1

7. ## math (cant figure it out)

4. A spinner is divided into 10 equal sections numbered from 0-10. You spin the spinner once. What is P(not even)? A. 3/5 B. 1/2 C. 5/11 D. 6/11 (I DON'T GET THIS)

8. ## Statistics

Can someone please help me answer these questions? I have tried every method I know and the computer still keeps marking the answers as incorrect. Thanks for the help! 1) If the number of 18-34 year olds sampled is equal to the value identified in part

9. ## math (cant figure it out)

A spinner is divided equally into six parts with the letters F,G,E,I,Q,O. If you spin the spinner twice, what is P(vowel, then Q)? A. 1/10****? B. 1/9 C. 2/9 D. 1/12.

10. ## history

What is an historical idea or event that supports Douglas’s point of view?

11. ## physics

a vehicle is accelerating on a straight road. Its velocity at any instant is 30 km/hr, after 2 s, it is 33.6 km/hr and after further 2 s, it is 37.2 km/hr. Find the acceleration of vehicle in m/s^2

12. ## fnu

The average age of doctors in a certain hospital is 50.0 years old. Suppose the distribution of ages is normal and has a standard deviation of 4.0 years. If 16 doctors are chosen at random for a committee, find the probability that the average age of those

13. ## History Help

Why do many historians regard the printing press as the most important invention of the past millennium?

14. ## math (check answer plz)

7. A bag containing 4 green marbles, 6 red marbles, 14 orange marbles, 5 brown marbles, and 8 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)? A. 48/1369 B. 14/1369 C. 27/37 D. 14/37***?

15. ## Science

The air pressure on Pikes Peak in Colorado is approximately 600 millibars. What is the relationship between air pressure at the top of Pikes Peak and at sea level, where air pressure is 1013 millibars?

16. ## math *check*

A bag contains 9 green marbles and 11 white marbles. You select a marble at random. What are the odds in favor of picking a green marble? A. 9:20 B. 2:9 C. 11:9 D. 9:11***?

17. ## Physics

The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 65kg and D is twice as long as d. Find the tension FT in the

18. ## Physics

A 75.0-kg cross-country skier is climbing a 3.0o slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N. Find his power output for work done against the gravitational force and air resistance. (b) What average force does he exert

19. ## physics

You have a box that contains 200 marbles. 99% of the marbles are green, the other 1% are white. How many green marbles would you have to remove from the box to reduce the percentage of green marbles to 98%?

20. ## HISTORY

What impact did the Industrial Revolution have on Philadelphia? A. Philadelphia's population shrank, which increased the need for farmers. B. There was increased agricultural production around Philadelphia, justifying slavery. C. The population in

21. ## high school algrebra 1

A youth group is planning a trip to a local amusement park. They are taking a van which holds 10 people. It will cost \$25 for parking and tickets to enter the park are \$18 per person. create an equation for this situation

22. ## history

1. Which factor contributed most to the U.S. acquisition of Florida in 1819? A.The defeat of Great Britain in the War of 1812 B. U.S. military victories in Florida during the 1810s C. Spain's loss of control over its South American territories D.

23. ## chemistry

A sample of gas (1.9 mol) is in a flask at 21 °C and 697 mm Hg. The flask is opened and more gas is added to the flask. The new pressure is 795 mm Hg and the temperature is now 26 °C. There are now __________ mol of gas in the flask.

24. ## Physics

A toy gun uses a spring with a force constant of 300. N/m to propel a 10.0-g steel ball. If the spring is compressed 7.00 cm and friction is negligible: (a) How much force is needed to compress the spring? (b) To what maximum height can the ball be shot?

25. ## Math

7. Suppose you earned 7t – 1 dollars on Monday and 8t + 5 dollars on Tuesday. What were your total earnings? Simplify your answer. (1 point) –t + 4 dollars –t – 6 dollars 15t – 6 dollars 15t + 4 dollars 8. f 2 ∙ f 3 (1 point) f 5 f 6 (2f)5

26. ## Physics

Determine the acceleration of a 1500 kg automobile that rolls down an incline of 30° from the horizontal if a coefficient of friction between the tires and the incline is 0.12

27. ## Physics

A 75.0-kg cross-country skier is climbing a 3.0o slope at a constant speed of 2.00 m/s and encounters air resistance of 25.0 N. Find his power output for work done against the gravitational force and air resistance. (b) What average force does he exert

28. ## Physics

The air pressure on Pikes Peak in Colorado is approximately 600 millibars. What is the relationship between air pressure at the top of Pikes Peak and at sea level, where air pressure is 1013 millibars?

29. ## HISTORY

why did the Emancipation Proclamation free slaves only in Confederate states? A. President Lincoln did not have the authority to remove property from U.S. citizens B. President Lincoln did not have the authority to naturalize Northen freedmen into

30. ## Physics

. (a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

31. ## maths

A parallelogram has two adjacent sides of length 4cm and 6cm reapectively. If the included angle measures 52 degrees, find the area of the parallelogram.

32. ## us hist

All of the following are reasons for Communist Russia's animosity toward the United States and the western powers except one. Which is the exception? a. Russia was not allowed to participate at the Treaty of Versailles. b. Russia felt the U.S. delayed the

33. ## Physics

A force of 3.0 N and 1.0 N act on a 6.0 kg mass as shown. What is the acceleration of the 6.0 kg mass

34. ## 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

35. ## chemistry

Consider the equation 2kclo3(s) -> 2kcl(s)-1302(g). 3.00-g sample kclo2 is decomposed and the oxygen at 24.0 and 0.982 its either, 911, 304, or 608

36. ## physics

A skateboarder, with an initial speed of 4.2m/s , rolls virtually friction free down a straight incline of length 16m in 3.3 s.

37. ## world history

which connected the millions of people living in the Inca empire? A. money B. writing C. language D. loyalty **** i think the answer is D but; I'm not sure.

38. ## physics

(a) How high a hill can a car coast up (engine disengaged) if work done by friction is negligible and its initial speed is 110 km/h? (b) If, in actuality, a 750-kg car with an initial speed of 110 km/h is observed to coast up a hill to a height 22.0 m

39. ## physics

A man is playing tennis and a tennis ball (m=1.2 kg) approaches his tennis racket with a speed of 8.0 m/s. His racket is in contact with the ball for 2.0 ms and sends the ball flying in the opposite direction with a speed of 6.0 m/s. What is the magnitude

40. ## Math

The doubling period of a bacteria culture is 35 minutes and it starts with 1400 bacteria. How many bacteria will there be after 3 hours? Round your answer to the nearest tenth.

41. ## Maths

The average depth of the water in a port on a tidal river is 4 m. At low tide, the depth of the water is 2 m. One cycle is completed approx every 12 h. a) find an equation of the depth d(t) metres, with respect to the average depth, as a function of the

42. ## Physics

Calculate the tension in the cable connecting the two masses. Assume all surfaces are frictionless.

43. ## Physics

In the following diagram there is a coefficient of friction, μ, of 0.15 between the 5.0 kg mass and the surface. Calculate the tension in the cable connecting the two masses and the resulting acceleration.

44. ## Math

A famer has 50 sheep and 20 cows.Calculate the fraction of his animals that are cows.

45. ## Civics

When the U.S. enbassy in Iran was invaded and more than 50 Americans were taken hostage, how did the United States respond? -The Senate declared war on Iran and President Carter ordered troops to invade the country. -The United States chose to isolate

46. ## Algebra II

Am i correct? A plane intersects only one nappe of a double-napped cone. It is neither perpendicular to the cone's axis nor parallel to its generating line. Which conic section is formed? point circle ellipse

47. ## MATH

Michael bought a stereo on sale for 20% off the regular price. The regular price of the stereo was \$180. What was the sale price of the stereo?

48. ## math

using factor theorem, show that a-b,b-c and c-a are the factors of a(b^2-c^2)+b(c^2-a^2)+c(a^2-B^2)

49. ## physics

A man in a circus shows jumps from a of 10m and is caught by the safety net which sags 2m due to his weight.calculate the average force exerted by the net on the man to stop his fall if the mass of the man is 60kg

50. ## civics

statistics show that internet usage in the United states has grown from just 41 percent of households in 2000 to 77 present household in 2012. Which best describes how the internet has contributed to cultural diffusion in the United states? I'm stuck I

51. ## Physics

In a rescue scene during the 911 crisis, a helicopter of mass 6000 kg accelerates upwards at the rate of 0.50 m/s2 while lifting a 2500 kg piece of concrete. What is the upward force exerted by the rotors of the helicopter? What is the tension in the cable

52. ## Languege arts book responce Walk Two Moons

Do you agree or disagree with Gramps' decision to let Sal drive by herself to Lewiston? How might the consequences of that choice be different if Gramps had made another decision? Take a position and use examples from the novel to support your choice. Do

53. ## Physics

Am i Correct? 2.0 cm*.044T*/.10 s= 0.88 V Each side of a square loop of wire measures 2.0 cm. A magnetic field of 0.044 T perpendicular to the loop changes to zero in 0.10 s. What average emf is induced in the coil during this change? A. 1.8 V B. 0.088 V

54. ## math - APR

Assume the car can be purchased for 0% down for 60 months (in lieu of rebate). A car with a sticker price of \$42,650 with factory and dealer rebates of \$5,100 a-Find the monthly payment if financed for 60 months at 0% APR. (Round your answer to the nearest

55. ## LA

The excerpt is a piece of expository writing, because it contains (1 point) dialogue. poetry. facts and information. fictional characters.

56. ## Civics

In The Wealth of Nations, Adam Smith mentions that very good grapes could be grown in Scotland. However, growing high quality grapdes in Scotland would be about 30 times as expensive as purchasing grapes from foreign countries. Some nations are better than

57. ## physics

A driver of a car travelling along a straight road with a speed of 72k.m./hour . Observes a sign board which gives the speed limit 54k.m./h.the signboard is 70m ahead when the driver applies break . Calculate the acceleration the car which will cause the

58. ## Algebra 1

1. What is the excluded value for the rational expression x^2 - 4/3x - 6? A: ? 2. The trinomial x ^2 - 6x + c is a perfect-square trinomial. What is the value of c? A: 9 3. Find the positive solution of the equation x^2 + 5x - 4 = 0. Round your answer to

59. ## Physics

What is the maximum tension possible in a 1.15 mm diameter nylon tennis racquet string? The ultimate tensile strength for nylon is 5.00×10^8N/m2.

60. ## math *check*

8. Each of two urns contains green balls and red balls. Urn one contains 8 green balls and 12 red balls. Urn two contains 5 green balls and 8 red balls. If a ball is drawn from each urn, what is P(red and red)? A. 79/65 B. 24/65 C. 20/33******? D. 2/13

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

62. ## Physics

I'm not really sure on this one... Am i correct? A maglev train requires which of the following? A. track and the train must have the different magnetic poles B. track and the train must have the same magnetic poles

63. ## Civics

Would it be possible to have a social direct democracy? -No, in a socialist society only a few high-ranking member of the communist party have political power. -No, a direct democracy requires a free market economy which is not socialist. -Yes, if everyone

64. ## Law

1.The proactive supervision and broken windows models are considered: A. incomparable strategies. B. strategies with similar goals. C. opposite strategies. D. equally ineffective is it B 2. Forms of diversion do NOT include: A. probation. B. family crisis

65. ## STAT

A college faculty consists of 400 men and 250 women. The college administration wants to draw a sample of 65 faculty members to ask their opinion about a new parking fee. They draw a simple random sample of 40 men and another simple random sample of 25

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

4. The sum of the digits of a two-digit number is 11. If 45 is added to the number, the digits will be reversed. a. Write a system of equations that you can use to find the digits of the number. Tell what each variable represents. b. Solve the system of

1. What is ((-12x^6 + x)) / ((-4x^2))? A: 3x^4 - 1/4x 2. What is the greatest common factor of the terms of the polynomial 6x^3 - 18x^2 + 12x + 3? A: 3? 3. Which is a solution to n/n+2 = -8/n? a. -4 b. -2 c. 2 d. 4 A: a? 4. Which of the following is

68. ## box and whisker plot

Make a box and whisker plot with the following statement:The data show the ages of 13 people attending a dinner party. 37, 42, 44, 46, 47, 49, 51, 53, 54, 55, 57, 61, 63

69. ## fnu

The length of country and western songs is normally distributed and has a mean of 200 seconds and a standard deviation of 30 seconds. Find the probability that a random selection of 9 songs will have mean length of 186.30 seconds or less. Assume the

70. ## Law

1. Getting charged with a new offense while on probation first results in: A. a technical probation violation. B. a probation revocation hearing. C. a lengthy and punitive incarceration. D. immediate revocation of probation. is it B 2. The goal of

71. ## math, statistics

The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's

72. ## averages

the avg of 8 men is increased by 2 years when one of them whose age is 24 is replaced by freshman what is his age? let avg =x. so sum is 8x sum replaced 8(x+2)-24+y

73. ## Macroeconomic

Income taxes create a difference between the interest rate paid by companies and received by lenders. These taxes___________ saving, investment, and the growth rate of real GDP. A. Do not affect B. Lower C. Encourage, but may not change D. Increase The

74. ## math

A bottle containing 10 liters of alcohol one liter of alcohol is removed and replaced with water. After a liter of the mixture was removed and replaced with water, the operation being carried out 7 times in total. Then that amount of alcohol remains in the

75. ## social studies

Name two obstacles and one political obstacle that stood in the way of the construction of the panama canal. how did engineers and politicians overcome these obstacles?

76. ## Chemistry

what is the pH solution in which 15 mL of 0.10 M NaOH has been added to 25 mL of 0.10 M HCl

77. ## LA

For questions 17–19, refer to the passage below: Albert Einstein, a world-famous mathematician was born in Bavaria in 1879. He acquired Swiss nationality in 1901 and he began working at the Swiss patent office the next year. Einstein was however also

Ahhh... thank you "A square and an equilateral triangle have the same perimeter. Let A be the area of the circle circumscribed about the square and B be the area of the circle circumscribed about the triangle. Find A/B." It's a tough one.

79. ## Physics

Help please How do the dark lines of an atom's absorption spectrum relate to the bright lines of its emission spectrum? A. The bright lines are at the same energies as the dark lines. B. The dark lines are at higher energies than the bright lines. C. The

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

What are 2 values of b that will make 2x^2 - bx - 20 factorable? Explain your answer. A: ?

81. ## calculus

A parabola ,f, intersect the x axis at A and B and the y axis at C. The axis of symmetry of the parabola has the equation x=-3.The line through A and C has the equation g(x)=x+7. Determine the coordinates of A,B and C

82. ## Math

The tops of seven water fountains in the Italian City of Reggio Emilia form a straight line. The first fountain is 120cm and the last one is 12cm. How tall is the third water fountain from the left? I have absolutely no idea, please help!!!

83. ## physics

A flat circular mirror of radius 0.150 m is lying on the floor. Centered directly above the mirror , at a height of 0.750 m, is a small light source. Calculate the diameter of the bright circular spot formed on the 2.90 m high ceiling by the light

84. ## math

Calculate the cash discount and the net amount due for the following transaction. Amount of Invoice Terms of Sale Cash Discount Net Amount Due \$12,660.00 2/10, n/45

85. ## algebra

Evaluate the polynomial when x =4 Evaluate the polynomial when x = 4: x3 - 5x2 + x

86. ## math

A country seen its population grow each year than 1/8 it was last year. At that time the population will have doubled and tripled

87. ## Math

A community group bought 30 tickets to an amusement park at a total cost of \$810. They bought x student tickets for \$25 each and y adult tickets for \$30 each.

88. ## Statistics

How would you interpret the findings of a correlation study that reported a linear correlation of +0.3? I believe they have nothing in common because they are close to one. Please advise

89. ## Microeconomics

How do costs play into your everyday life? For example, why might it be cheaper to drive on a toll-road vs. a free-access interstate? Also, can you identify situations where you may fall victim to the sunk cost fallacy (we all do)?

90. ## algebra 2

Miguel wants to buy a new stereo that costs \$320. He has \$40 in March, \$80 in April, and \$120 in May. If this pattern continues, in what month will he be able to buy the stereo?

What does it mean when .... Bill clinton lifted the ban on gay in the military. Does he support gay or not? Am I a poor reader, since I cannot understand this? Please be honest..

92. ## math

A board is 84 cm long. How many meters long is this board?

93. ## Algebra 1

How can I determine a equation from a graph? How can I determine how to graph y = x^2 + x - 2? Or y = x^2 - 4x + 4? Am I supposed to use the slope method (rise and run)?

94. ## Economics

The south african government is not providing enough welfare or subsidies to the poor and underpriviledged?

95. ## physics

What is the angular velocity of the object shown below if it rotates about the point P in the center? The rotational kinetic energy of the object is 1.4 J, the mass M is 1.3 kg, and L is 0.50 m.

96. ## Computer programming?

What is jsp structures regrading to computer programming?

97. ## Law

1. Which of the following is NOT helpful to a judge in determining potential risk? A. The PSI B. STICS C. A risk and needs assessment D. The LSI-R is it A 2. Which of the following statements is NOT true about drug courts? A. They are a form of diversion.

98. ## math

the polynomials P(x)= kx^3+3x^2-3 and Q(x)= 2x^3-5x+k when divided by (x-4) leave the same remainder the value of k is

99. ## Algebra 1

I tried to graph y = x^2 - 4x + 4 and ended up with an x-intercept of -2 (the y-intercept is 4). However, according to wolfram, the x-intercept should be 2. Who is correct: me or the website?

100. ## math -interest

Find the monthly payment for the loan. (Round your answer to the nearest cent.) \$400 loan for 12 months at 14%

101. ## history

what does the Constitution guarantees to the people of every State the right to have slavery or not have it…each State being left free to decide for itself. mean

102. ## Physics

A spring with a force constant 0f 2.50 kN/M is set upright, and a wood platform of negligible weight is fastened to its upper end. A 2.50 kg mass is gently placed on the platform and released. How far does the spring compress? What is the final equilibrium

103. ## physics

An object of mass 5.0 kg is attached to a string of length 2.0 m and rotating in a horizontal circle with an angular velocity of 3.0 rad/s. What is the angular momentum of the object?

104. ## Physics

A spring with a force constant 0f 2.50 kN/M is set upright, and a wood platform of negligible weight is fastened to its upper end. A 2.50 kg mass is gently placed on the platform and released. How far does the spring compress? What is the final equilibrium

105. ## PSY/405

Hello, I need help finding information for my PowerPoint Presentation. Thanks in advance Create a 10- to 12-slide Microsoft® PowerPoint® presentation, including detailed speaker notes,on traditional and contemporary psychodynamic theories. Include the

106. ## early childhood literacy

preschoolers use private speech a. to influence others b. to keep ideas a secret c. because it is more efficient d. because it enables them to communicate new edeas. I think it is D.

107. ## English

1. My friends are to come back home tonight. 2. My friends are going to come back home tonight. 3. My friends are due to come back home tonight. ------------------------- Which one of the two is similar to #1? Is #1 used commonly?

108. ## Economics

What are welfare payment or consumer subsides?

109. ## math

For a soccer game has been on sale 4 types of locations. The ticket prices for different locations form a geometric progression. If a person bought a ticket for each locality would spend 32.5 dollars and would see that the price of the most expensive is

110. ## math

Help please A bottle containing 10 liters of alcohol one liter of alcohol is removed and replaced with water. After a liter of the mixture was removed and replaced with water, the operation being carried out 7 times in total. Then that amount of alcohol

111. ## Englis

remembered watching it the first time, and realizing I’d never seen anything like it, immediately vowed never to miss an episode of the Daily Show.

112. ## My Final Algebra 1 Question

Will someone evaluate my answers and guide me through answering the last two parts of the problem? Thank you. 5. Principal Farley has \$200 to pay for some teachers to attend a technology conference. The company hosting the conference is allowing 2 teachers

113. ## math

A person a pair of shoes is purchased each year and has noticed that the price has increased as a geometric progression. If the price increase in the last two years was 25 dollars and in the last year was 15 dollars. a. What was the price of the pair of

114. ## math

if x,y are integral solution of 2x^2-3xy-2y^2=7 then value of |x+y| is:

115. ## Algebra 1

1. Mr. Lui wrote 15 - 5x/x^2 - 9x + 18. a. Explain what kind of expression it is. b. Simplify the expression. Show your work. c. Identify any excluded values. A: a. It is a rational expression. b. 5/x - 6 c. Excluded value: x = 6 2. Lynne can paint a wall

116. ## Econometrics

Hello I have this econometrics question that I have to solve without computer. (True model) yi = B0 + B1x1i + B2x2i + B3x3i + ui (Regression model) ^yi = 13.16 - 0.052(x1i - x21) + 0.2x3i SST = 1833 R^2 = known R^2 (bar) = known n = known with the standard

117. ## English

Q1: At a snack bar do people have to eat food standing? Q2: Do you have sandwich stands which sell sandwiches? Q3: Do you have noodle stands as well? What is the suitable restaurant name which sell noodles? Noodle houses? What about 'noodle restaurants or

118. ## cultural diversity

A story narrative is probably Asian if it is: a. detailed,structured, linear b. episodic,event driven contains judgmental remarks c. presented in a circular discourse pattern with no clear conclusion d.accompanied by use of props and actions I think it

119. ## Physics

Am i correct? My work 0.10/0.20= .5 = 1/2 or is it the other way around? .20/.10? Suppose a magnetic field of 0.20 T is applied to the area within a circular loop of wire. The strength of the field is then changed to 0.10 T. By what factor is the magnetic

120. ## English

With night coming on, we started for home. ------------------------ In this sentence, what is the meaning of 'coming' on? Does 'come on' mean 'appear' or 'start'?

121. ## math

A country seen its population grow each year in the eighth of what it was the previous year. At that time the population is successfully a. duplicate b. triplicate

122. ## Math

what is the probability if you had to draw from a bowl twice which had four 1 dollar bills and 1 ten dollar bill.

123. ## Maths

Make a project on frequency distribution table, histogramand polygon of preposition using newspaper cutting

124. ## math

Finding three geometrically numbers knowing that their sum is greater than 78 and 30 units exceeds the sum of the other two.

125. ## math

A cooling cost 1540 dollars. After four years he sold at half their value. If this is repeated every four years, the payment in the refrigerator the fifth person to buy it and after a few years this purchase was made.

126. ## social studies

From the point of an environmentalist, which is probably the most significant argument against offshore drilling for oil?

127. ## math

Given the numbers 10 and 40 their averages are obtained by different procedures 16, 20 and 25 respectively. Say which is the arithmetic mean and what is the geometric mean

128. ## math

The arithmetic mean of two numbers is 9 and their geometric mean is 3√5. Find these numbers

129. ## algebra

the one to one function g and h g={(-4,5),(2,-5),(3,2),(4,9) h(x)= 2x+9 find the following g^-1(2)= h^1(x)= (h*h^1)(-7)

130. ## math

A bottle containing 10 liters of alcohol one liter of alcohol is removed and replaced with water. After a liter of the mixture was removed and replaced with water, the operation being carried out 7 times in total. Then that amount of alcohol remains in the

131. ## math

A businessman invested 10000 dollars in bonds paying annual interest of 8%. If you invest the proceeds in the purchase of new bonds, which will have the capital after 10 years

132. ## math

if (x-a) is a factor of x^3-a^2x+x+2 then 'a' is equal to

133. ## math

About how tall is a tower i f the angle of depression from its top to a point 75 metres from the base is 62 degrees?

134. ## Math

What is the first quartile and third quartile of the following numbers: 37,42,44, 47,49, 51,53, 54,55, 57,61, 63

135. ## algebra

evaluate the polynomial x=4 x3-5x2+x

136. ## maths

how do you decide how many boxes to draw when you split an amount of money using ratio?

137. ## chemistry

What is the Ka of a weak acid (HA) that produces a pH of 3.45 with 0.1M? 2.54E-3 3.45E-3 1.27E-6 3.56E-3 5.48E-4

138. ## Algebra

If Buster Posey gets on base 45% of the time, what's the probability he will get on 5 out of 7 times at bat?

139. ## physics!

a 4.0 kg object has a velocity of 4.0 m/s headed east. an explosion causes it to break up into two smaller 2.0 kg objects. if one of the objects has a velocity of 3.0 m/s at an angle of 30 degrees east of north, what is the velocity of the other object

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

1. Mr. Lui wrote 15 - 5x/x^2 - 9x + 18. a. Explain what kind of expression it is. b. Simplify the expression. Show your work. c. Identify any excluded values. A: a. It is a rational expression. b. 5/x - 6 c. Excluded value: x = 6 2. Lynne can paint a wall

141. ## maths

140 children were watching a magic show. The number of boys were 20 more than twice the number of girls watching the show. How many girls were there?

142. ## Math

How do you know what the period of this function is: y=2cos3(x+45')? Explain.

143. ## English

1. Because she looked very sick, he took her to the hospital. 2. She looking very sick, he took her to the hospital. 3. Looking very sick, he took her to the hospital. ------------------- Are both(#1 and #2) the same and grammatical? Can #1 be changed into

144. ## math

To find three numbers in geometric progression, knowing that their sum is 78 and the highest 30 units exceeds the sum of the first and second term.

145. ## math

if 2x^3-5x^2+x+2=(x-2)(ax^2-bx-1)then a and b are respectively:

146. ## math

a polynomial in x of the third degree which will vanish when x=1 and x= -2 and will have the values 4and 28 when x= -1 and x=2 respectively is________.

147. ## Algebra 1

5. Principal Farley has \$200 to pay for some teachers to attend a technology conference. The company hosting the conference is allowing 2 teachers to attend for free. The number of teachers y that can be sent to the conference is given by the function y =

148. ## math

Find the reason for the geometric progression in which a1 = 1, n = 3, S3 = 157

149. ## Physics

Show that the x-component of the tension force Fc in terms of its magnitude Fc is given by -0.3420 Fc

150. ## Math

I can't figure out this question. I tried asking my classmates and teacher, but no help. Except one girl but I didn't understand. Can you help me? Question; A person who weighs 130 pounds can burn about 300 calories per hour skateboarding. Write a function

151. ## maths

how many jelly beans in a jar more than thirty less than sixty

152. ## math

For a soccer game has been on sale 4 types of locations. The ticket prices for different locations form a geometric progression. If a person bought a ticket for each locality would spend 32.5 dollars and would see that the price of the most expensive is

153. ## math

if a/b=c/d=e/f then find the value of 2a^4b^2+3a^2 c^2-5e^4f/(upon) 2b^6+3b^2 d^2-5f^5 in terms of a and b.

154. ## Math- urgent

How do you find the sine, cosine, and tangent of a triangle?

155. ## history

what is a POST RACIAL SOCIETY Do we live in one? What would one look like if we do not currently exist in one? Will we (should we) as Americans ever live in a POST RACIAL SOCIETY?

156. ## English

1. Cleaning my room, I found many coins. 2. When I was cleaning my room, I found many coins. 3. When I cleaned my room, I found many coins. ------------- Does #1 mean #2 or #3?

157. ## math

let f(x) be a polynomial function. if f(x) is divided by x-1,x+1 and x+2 then remainders are 5,3and 2 respectively. whwn f(x) is divided by x^3+2x^2-x-2 then remainder is:

158. ## math

find the value of a, if x-a is a factor of x^3-a^2x+x+2