# Questions Asked onJuly 5, 2012

1. ## math

A rectangular school yard 280 m by 245 m is to be fenced. How many metres of fencing will be required to fence it completely?

2. ## math

Please show the ratio answer as #:#. The length of a pool is twice its width. What is the ratio of the length to the width of the pool?

3. ## math

A salesman's monthly commission is 15% on all sales over \$10,000. If his goal is to make a commission of at least \$3600/month, what minimum monthly sales figures must he attain?

4. ## physical science

. A swimming pool is exactly 20m long, 7m wide, and 2m deep. What is its volume in cubic feet to 3 significant figures?

is the first one B and the second question A ?? 1.Which one of the following leadership styles could be best characterized by the statement “Let George do it”? A. Contingent C. Democratic B. Laissez-faire D. Autocratic 2. According to the Managerial

6. ## Chemistry

This is a lab called Enthalpy and Entropy of Borax Dissolution and I just can't seem to get the right answers... Please help me fill in the blanks The _____ (acid/HCl?)is placed in the buret and the ____ (base/borax?) is placed in the flask beneath the

7. ## physics

Doubling the frequency of a wave source doubles the speed of the waves. ( True or False)

8. ## ALGEBRA

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The length of a rectangle is 3 times the width. The difference between the length and the width is

9. ## MAth

A cone has a base area of 33 in2 and is 8 inches tall. What is the volume of the cone in cubic inches

10. ## MAth

An ice cream cone is 3 inches wide at the widest point, and is 6 inches tall. What is the volume of the cone in cubic inches? Use Pi

11. ## Chem

If 4.10 × 102 mol of octane combusts, what volume of carbon dioxide is produced at 22.0 °C and 0.995 atm?

12. ## math

five rental cars require four new tires. the price of one new tire is \$84. what would be the total cost including 7% tax for new tires for all five cars?

13. ## Psychology

As a scientist,Carl is concerned with the intensity of lights in the modern human environment.In his research project,Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed.Group C

14. ## Psychology

Although someone who is hypnotized may be complaint and susceptible to suggestion,it is clear that

15. ## Psychology

"How are a cat and dog alike" Ananswer to this question requires:

16. ## Psychology

Based on the theory of multible intelligences by Gardner,most people exhibit:

17. ## science

How much force is needed to give a 5-kg box and upward acceleration of 2 m/s2?

18. ## Math

A cube with a volume of 216 cm3 is cut down to a pyramid with the same size base and the same height as the original cube. What is the volume of the pyramid? A.108 cm3 B.94 cm3 C.72 cm3 D.52 cm3

19. ## algebra

Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this? Show your answer using both words and mathematical notation

20. ## chemistry

If one mole of hydrocarbon contain 4g of hydrogen and it molar mass is 40g.what is the homologous series of the compound

21. ## Chemistry

The osmotic pressure (T=25°C) of a saturated solution of CaC03 is 0.0179 atm. Determine the solubility product of the salt

22. ## Psychology

The thought processes that underlie learning:

23. ## math

given the equation 2x-8y=8, determine as coordinates (a)the x intercept (b) the y intercept A (a)(0,0) B (a)(-4,0) C(a)(4,0) (b)(0,1) (b)(0,-1) (b)(0,-1) D (a)(-1,0) (b)(0,4) would it be a,b,c,d and how did you get it

24. ## physical science

A horse galloped a mile in 2 min 35s. What was its average speed in km/h?

25. ## physical science

. Three forces, each 10 lb, act on the same object. What is the maximum total force they can exert on the object? The minimum total force?

26. ## physical science

The acceleration of gravity on the surface of Venus is 8.9 m/s2. Would a ball thrown upward on Venus return to the ground sooner or later than a ball thrown upward with the same speed on the earth?

27. ## Calculus

Complete the square to write the equation x^2 + y^2 - 6x - 2y + 4 = 0 in standard form. Use the standard form of the equation to identify the center and the radius of the circle.

28. ## geometry

Construct a truth table for p----> ~q

29. ## Calculus

Write the equation of an ellipse with the foci (17, 0) and (-17, 0) and co-verticies (0, 15) and (0, -15).

30. ## Math

In one U.S. city, the quadratic function models the median, or average, age, y, at which men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for

31. ## phsyics

An airplane has a velocity of 185 miles per hour when it lands, how long must the runway be if the plane decellerates at 2.5 meters per second

32. ## Math

A round baby pool holds 48.2 cubic feet of water. If the pool has a radius of 3.2 feet, what is the height of the pool in feet?

33. ## statistics

how can you reword these research hypotheses to null hypotheses: a. smoking during pregnancy increases the risk of a child being born prematurely. b. regular exercise in older adults decreases blood pressure levels.

34. ## math

How do you fully factor 8X^3-27. pls help.

35. ## PHSC

Which part of a wave relates to its energy ?

36. ## PHSC

As the wavelength of a wave in a uniform medium increases, its speed will ?

37. ## PHS

As these wave pass through their medium,is the medium carrief along with them ?

38. ## physics

Which part of a wave relates to its energy ?

39. ## physics

As the wavelength of a wave in a uniform medium increases, its speed will ?

40. ## physics

As these waves pass through their medium,is the medium carried along with them ?

41. ## probability

The letters of the word mathematics are written on separate pieces of paper and put in a hat. What is the probability of drawing the letter m from the hat? my first answer is 2/12= 1/6 someone else has 2/11 please show us the correct answer thanks!

42. ## math

the day is 1hour 18minutes longer than the night.how long is the day?

43. ## History

Is appeasement necessarily, as it was applied to Nazi Germany in the 1930's, considered to be against the topics discussed in the quotations below? Explain The human person realizes dignity and rights in relationship with others, in community. "If one

44. ## computer programming

Input a list of positive numbers (terminated by 0) into an array, find the mean (average) of the numbers in the array, and output the result. Use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the result.

45. ## math

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle

46. ## math

a company was charged \$290 for 13 frames. it was charged \$430 for 20 frames. A. use the coordinates (13,290) and (20,430) to write a linear equation in point slope form that gives the relationship of the cost to the number of frames B. find the cost for 25

47. ## math

The scale factor for two similar triangles is 4 : 3. The perimeter of the smaller triangle is 12. What is the perimeter of the larger triangle

48. ## Calculus

Let u = (-2,3) and v = (5,-6). Find the sum and the dot product of these two vectors.

49. ## earth

How long would it take a brown dwarf star, five times the size of the Earth, to travel 450 light years, at 3500 mph?

50. ## math

what would be the slope of each of these individual lines L1. (3,2) (4,8) L2. (6,7) (0,8)

51. ## math

what would be the slope of each of these individual lines L1. (7,10) (-3,5) L2. (4,-3) (-2,0)

52. ## math

what would be the slope of each of these individual lines L1. (4,9) (-1,4) L2. (-3,-8) (-2,-9)

53. ## math

what would be the slope of each of these individual lines L1. (4,6) (-1,4) L2. (-3,-8) (-2,-9)

54. ## CRITICAL THINKING

should writing avoid biases about race and gender? Ways to avoid biases on race and gender?

55. ## CRITICAL THINKING

How could you describe the difference between clear writing and critical thinking?

56. ## psy202

Tiffany feels a sense of fulfillment when she volunteers at the school down the street. She has no specific goals other than to improve her neighborhood school and enrich the lives of the children who attend it. What would Erikson say about Tiffany’s

57. ## Math

For the equation y = 1/2(-x+1)^4 + 3 give the function that is being translated, and then describe each translation that is occurring.

58. ## math

how do you factor X^3+X^2-9X-9 pls help. I don't know what to do

59. ## chemistry

at what temperature will the root mean square velocity of sulphur dioxide be same as that of methane at 27c?

60. ## physical science

. The brakes of a car are applied to give it an acceleration of -3 m/s2. The car comes to a stop in 5 s. What was its speed when the brakes were applied?

61. ## science

How fast must a fall be thrown upward to reach a height of 12 m?

62. ## American History

Examine the effects of World War II on the American family

63. ## Math

For the equation y = -(x – 1)^5 + 6 give the function that is being translated, and then describe each translation that is occurring.

64. ## Algebra

Solve using the elimiation method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x=6y= -2 -8x+6y= -26

65. ## Math

Use PEMDAS to solve (5*53)/375 - (88)

66. ## algebra

Solve using the eliminattion method. Show your work. If the system has no solution or an infinite number of solution, state this. -2x-8y==42 -4x+6y=-18

67. ## physics

You need 500 Netwons of force to start the crate to slide on a wooden floor. What is the weight of the crate if the coefficent drag of friction is 0.80?

68. ## chemistry

Given: Ti=298K V=.005 L Pt=1 atm P H20 vapor= .0313atm P air= .9687 atm you increase the temperature to 338K; the total pressure remains 1 atm, but the volume increases. Determine the volume at the new temperature (assume water vapor reaches equilibrium at

69. ## math/calculus

Find a power function end behavior model for f(x)= (3x^3-4x^2+3x+3)/(x-3) I don't understand what an end behavior model is

70. ## physics

What force is required to accelerate a 950 kilogram car 20 kilometers per hour to 45 kilometers per hour in 7 seconds? How far does the car travel during its acceleration?

71. ## Physics

A revolving door consists of four rectangular glass slabs,with the long end of each attached to a pole that acts as the rotation axis. Each slab is 2.60m tall by 1.50m wide and has mass 39.5 . Find the rotational inertia of the entire door. If it's

72. ## Math

A developer wants to enclose a rectangular grassy lot that borders a city street for parking. If the developer has 344 feet of fencing and does not fence the side along the street, what is the largest area that can be enclosed?

73. ## CRITICAL THINKING

What are words or terms used to avoid race and gender?

74. ## physics

A bus starts frm rest and moves with a uniform acceleration of (1m/secondsquare) for 5 minutes. calculate the velocity and distance??

75. ## social studies

give ur own views regarding the two cases of establishment of democracy?POLAND and CHILE

76. ## social studies

give the current status of democracy in chile and poland?

77. ## physics

A 200m long train crosses a 400m long bridge with a speed of 36km/hr . Calculate the time taken by train to cross the bridge?

78. ## physics

A car starts from rest and moves along x-axis with constant acceleration (5m/secondsquare) fr 8 sec. If it then countinues with constant velocity. What distance will the car cover in 12 sec since it started frm rest. plz anybody explain me

79. ## geometry

Construct a truth table for (~pvq) ____>

80. ## Foreign languages

Bob and Writeacher, I just wanted to inform you that my science project on water has been approved by the EU Commission. We'll be working on the project starting from September. (I will certainly need your help to work out a list of "scientific words"

81. ## Math

Among all pairs of numbers whose difference is 88, find a pair whose product is as small as possible.

82. ## math/calculus

Under what conditions can you extend a function f(x) to be continuous at a point x=c? Is this just rules for continuity or am I just really confused? If not what is this question asking?

83. ## physics

An airplane has a velocity of 185 miles per hour when it lands, how long must the runway be if the plane decellerates at 2.5 meters per second

84. ## math

What is the definition of the slope of a curve at a point x=a? Formal definition of a derivative? or slope between two points?

85. ## MATH

A cylinder has a volume of 83 in3 and is 10 in. tall. What is the radius of the cylinder in inches

86. ## Geometry

A cylinder has a volume of 83 in3 and is 10 in. tall. What is the radius of the cylinder in inches?

87. ## math

How to fully factor X^3-8. pls help

I have tried to work this one out and really can't get it. We have two carts that have magnets to keep them from touching. One cart is initially at rest and we push the second cart towards it. Because the two carts will not actually touch, the collision is

John Stands at the edge of a flat roof of a three story building and throws a 180g ball straight up into the air that reaches a height of 3.0 meters above the roof. ( building is 14 meters high) A. What is the initial speed of the ball? B. How long does it

90. ## biologia

que nombre recibe el sonido que emiten los murciÃ©lagos

91. ## PHY

Eris, the largest dwarf planet known in the Solar System, has a radius R = 1200 km and an acceleration due to gravity on its surface of magnitude g = 0.77 m/s2. (a) Use these numbers to calculate the escape speed from the surface of Eris. 1360 m/s correct

92. ## science

What is the shape of the skin cells whose function is protection? A. Cube like with cilia B.flat and in layers C.spherical and fluid-filled D. Longcolumns in a single layer

i have writers block. how can i start my report describing joint stock, limited liability, partnership, and sole proprietorship of a business.

94. ## chemistry 211 Lamar Univ

Calculate the number of SO_2 molecules in 9.19 moles of SO_2

95. ## Medical Billing

1. Hospitals 2.Insurance forms 3.Billing services 4.none of the above Which one of the above words are required to keep a list of acceptable abbreviations?

96. ## math

How do you factor X^3+5x^2-28x-32? pls help

97. ## government

The first American voters were only white, male ---------s

98. ## math statistics

create a null hypothesis on these research questions: a. what are the differences between emergency room shifts on medication errors? b. On a clinical trial of a new drug what will be the effects over a currently used drug?

Negative power is primarily associated with A. voluntary exchange relationships. B. situations in which an individual is forced to change. C. situations in which both parties to an exchange feel good about it. D. exchange relationships in which involuntary

Which one of the following situations is an example of overall cost leadership? A. A dress manufacturer wants to make its product unique in its category. B. A company that manufactures school desks is looking for ways to make its desks less expensive than

is the correct answer for # 4 = C and # 5 = B ?? 4. At the office, Jacob knows from his boss that his needs will be met as long as Jacob performs his duties successfully. What theory of leadership does Jacob’s boss follow? A. Situational leadership

102. ## literary

IN THE 19TH CENTURY HANK MORGAN IS A MIDDLE CLASS a newspaper b cowboy c enginner

103. ## literary

a connecticut yankee is episodic true or false

7. A 8. C 9. A 10. A please check 7. According to Peter Drucker, who determines an organization’s purpose, or mission? A. Company executives C. Stockholders B. Customers D. Supervisors 8. Which one of the following is a personal source of power? A.

105. ## government

Which of the following is NO LONGER necessary for the right to vote?A) RegistrationB) CitizenshipC) Residency D) Land Ownership

106. ## Chem - Im lost

A sample of an ideal gas has a volume of 3.35 L at 14.00 °C and 1.40 atm. What is the volume of the gas at 21.60 °C and 0.993 atm?

107. ## ms.sue

7. A 8. C 9. A 10. A please check 7. According to Peter Drucker, who determines an organization’s purpose, or mission? A. Company executives C. Stockholders B. Customers D. Supervisors 8. Which one of the following is a personal source of power? A.

108. ## ms. sue plz

could u plz check 4. C 5. B 4. At the office, Jacob knows from his boss that his needs will be met as long as Jacob performs his duties successfully. What theory of leadership does Jacob’s boss follow? A. Situational leadership theory B. Transformational

Andrew Malone, director of Human Resources at FBS Incorporated, wants to conduct a training program to educate employees about retirement plans. He feels that if employees are not informed about the various options, they may have very little income on

110. ## humanities

A brief story about a community that functions the way epics did in ancient cultures How does this story so? and what important things does it serve to ? explain?

111. ## Algebra

Do the equations x = 4y + 1 and x = 4y – 1 have the same solution?

112. ## English

I am trying to come up with a thesis for my english paper. It is going to be on Social class in Katherine Mansfields The Garden Party and A Cup of Tea. I want to show how both the upper class main characters take particular interest in the lower class

113. ## math

the rim of a canyon is at an altitude of 45m. On a hike down into the canyon, a party of hikers stop for a rest 160m below the rim. They descend another 71m. What is their new altitude?

114. ## Question (help)

when someone makes a goal is it called revolution????? like promise to do something like getting better grades and make it as a goal.

115. ## math

If a contractor pays an average wage of \$20.00 per hour and wants to make a 15% mark-up on the cost of labour, what will the contractor charge as an average labour cost on contracts?

116. ## algebra

Explain how to factor the following trinomials forms: x2 + bx + c and ax2 + bx + c. Is there more than one way to factor this? Show your answer using both words and mathematical notation

117. ## math

a person in a certain family eats 727lbs of fruit and vegetables in a year. What is the average consumption in one day? Use 1 year= 365 days.

118. ## math

a parking lot charges 1.50 for the first hour of parking and 55 cents for each additional half hour. How much would it cost to park a car from 12:45 pm to 6:15 pm

119. ## humanities

What are some of the ways in which modern culture is fatalistic in ancient greek sense

120. ## math

\$24.99 per month for cell phone company package offer. includes 200 minutes of statewide calling. Minutes over 200 are charged a rate of \$0.28 per minute. The total charge for using a cell phone for 288 minutes in one month?

1. Which of the following is NOT a concern of the community stakeholder group? A. Employment of local residents B. Repayment of debt C. Economic growth D. Protection of the environment 2. Select the option that can be used to illustrate a utilitarian

122. ## calculus

hey I just wanted to make sure that I was doing this problem correctly. The question says to graph the function f given by f(x)=x^3+3x^2-9x-13 and find the local extremer. So here's what I did: f(x)=x^3+3x^2-9x-13 F^1(x)=3x^2+6x-9 = 3x(x-3) x=0 x=3 I put

123. ## math

not sure if this had to do with math but my professor gave us this last hw assignment that i don't understand at all. It has to do with the grade scaling he does. 4x Exams = 37450 HW = 9362 Final = 16385 Lab = 23407 Recitation = 7022 Total Points = 93626

124. ## algebra

equivalent expression for 2log(x+1)-2log(x-1)-log(x-1)

125. ## Physics

A skier starts from rest at the top of a hill that is inclined at 9.8° with the horizontal. The hillside is 170 m long, and the coefficient of friction between snow and skis is 0.0750. At the bottom of the hill, the snow is level and the coefficient of

126. ## algebra

Solve the following system of equations for the unknown variables. x + y = 12 x – y = –2 (NOTE: Show answer in the following format (#,#). If not entered in this format, will be scored incorrect.)

127. ## MATH

LOLITA KEPT \$200 IN HER SAVINGS ACCOUNT FOR A YEAR. THE BANK PAYS 6 1\2% INTEREST PER YEAR. HOW MUCH INTEREST DID SHE RECEIVE AT THE END OF 1 YEAR

128. ## Drama

(1) As we find with most songs, in poetry (a) there's nos specific point of view (b) each couplet must rhyme (c) sound and content have equal weight.

129. ## math

4(2x + 3x)=30, solve for x

130. ## math

what is the simple interest of \$1500.00 for 4 months at 63/4% annual interest?

131. ## statistics

the mean IQ of statistics teachers is greater than 110. write the existing state and alternative hypotheses.

132. ## Math

3 men and 4 boys can do a piece of work in14 days , while 4 men and 6 boys do the same work in 10 days . How long would it take one man to finish the same work?

133. ## Pharmaceutics

*How are pastes prepared? *How do pastes differ from ointments and creams? *Are pastes still prepared commercially? Why? *What are different components of medication ointment and ointment base that are prepared by fusion? Describe each of them. THANK YOU

134. ## science

A hollow cylinder of aluminium 1 m long with a 40 mm outside diameter is at a temperature of 20 °C. What is the change in length and circumference of the cylinder when it is cooled to −25 °C? (Note: the thermal co-efficient of expansion of aluminium is

135. ## science

Assuming that the cylinder is fixed at both ends and that its wall thickness is 7.5 mm, what force would be exerted by the cylinder during this change in temperature? (Note: the Young’s modulus for aluminium is 70 GPa.)

136. ## English

I am trying to come up with a thesis for my english paper. It is going to be on Social class in Katherine Mansfields The Garden Party and A Cup of Tea. I want to show how both the upper class main characters take particular interest in the lower class

137. ## Physics

Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? *

138. ## Physics

Please help. Thanks. 1. Volt meter measures the potential between two large parallel plates to be 60 volts. The plates are 3cm apart. Find the magnitude of the electric field between them. 2. What work is done when 5C is raised potential by 12.45 volts? *

139. ## Physics

An FM radio station broadcasts electromagnetic waves at a frequency of 1.08 × 10§ hertz. The speed of these waves is 3.0 × 10§ meters/second. Find the wavelength.

140. ## math

the sides of a rectangular piece of paper is 2:3 if the area is150squarecentimeter find the length of its side

141. ## calculus

pls integrate and differentiate e^x^2 and x/y square root of x^2+y^2 in terms of x.

142. ## Grammar Sentences: Ms. Sue

What some examples of using SHAN'T in a sentence?

143. ## physics

A particle starts frm a point with a velocity of 6m/s and moves with an acceleration of (-2m/secondsquare). Show that after 6 seconds the particle will beat the starting point ? Plz explain....

144. ## physics

A comet orbits the Sun with a period of 71.8 yr. (a) Find the semimajor axis of the orbit of the comet in astronomical units (1 AU is equal to the semimajor axis of the Earth's orbit). (b) If the comet is 0.50 AU from the Sun at perihelion, what is its

145. ## physics

a bullet penetrates 7 cm into a block of wood when fired at a speed of 33 m/s. Find the deceleration and the time taken to stop

146. ## Math

farmer wants to enclose his pasture which is bordered by a river. If he uses 750 feet of fencing on three sides of the field, what is the largest area he can enclose?

147. ## math

what is the slope equation for the two points (.6,.5) and (.2,-.3)

148. ## math

what is the slope equation for the two points (.6,.5) and (.2,-.3)

149. ## chemistry

I have 3 mg/mL AMP in 50ul stock solution; How do I dilute it to 50ug in 50ul thanks you

150. ## math

what is the slope equation for the two points (1/2,4/5) and (3/2,1/5)

151. ## algebra

equivalent expression for 2log(x+1) - log(x^2 -1) +log(x-1)

152. ## math

in 2000 one small town had 250 city employees. in 2005 it had 325 employees. A. use the coordinates (0,250) and (5,325) to find the equation in point slope form that represents the average rate of increase for the number of employees. B. find the number of