# Questions Asked onJanuary 7, 2012

1. ## english

is this a good thesis statement for public vs private school. Parents have an obligation to give their children the best education.

2. ## Science

If .275 moles of ferrous ammonium sulfate (Fe(NH4)2(SO4)2. 6H2O) and an excess of all other reagents are used in a synthesis of K3[Fe(C2O4)3].3H2O, how many grams of product will be obtained if the reaction gives a 100% yield? Can someone help me solve

3. ## ap physics

A 0.150kg baseball traveling with a horizontal speed of 4.50 m/s is hit by a baseball bat and then moves with a speed of 34.7 m/s in the opposite direction. What is the change in the ball's momentum?

You have recently learned that the company where you work is being sold for \$275,000. The company’s income statement indicates current profits of \$10,000 which have yet to be paid out as dividends. Assuming the company will remain a “growing concern”

5. ## geometry

If four angles of a convex pentagon measure 120°, 93°, 108°, and 101°, find the measure of the fifth angle. Show equations and work that lead to your answer.

6. ## Math

Rick rides 11 1/8 miles in an hour with his bike in second gear going uphill. If Rick rides downhill in fourth gear he goes 2 1/2 faster. How many miles will Rick go in an hour downhill in fourth gear?

7. ## Math

Which equation is not equivalent to A = 1/2bh 2A=bh h=2A/b 2b=A/h b=2A/h I think it is 2b=A/h. Is this correct?

8. ## ap physics

How fast would a 1200 kg car travel if it had the same linear momentum as a 1500 kg truck traveling at 90 km/h?

9. ## MIPS Assembly programming

Hi there, I need to implement in assembly mips an iterative binary search method. Here's my code: # this program implements binary search # the equivalent pseudo code is the following: # first = 0 # last = size -1 # while (last - first > 1) { # mid =

10. ## Chemistry

If 0.273 moles of ferrous ammonium sulfate (Fe(NH4)2(SO4)2 . 6H2O) and an excess of all other reagents are used in a synthesis of K2[Fe(C2O4)3] . 3H2O, how many grams of product will be obtained if the reaction gives a 100% yield? Please help i found the

11. ## History

what is the term for a government ruled by the people who then elect thier officials?

12. ## Physics

The engine of a 1-kg toy plane exerts a 15-N forward force. If the air exerts an 8-N resistive force on the plane, what is the magnitude of the acceleration of the plane?

13. ## chem 105

At 25 degree celsius, what is the hyronium ion concentration in 0.100 M chloroacetate acid?

14. ## math

1. find the lateral area of a right prism whose altitude measures 20 cm and whose base is a square with a width 7 cm long. 2. the volume of a rectangular solid is 5376 cubic meters, and the base is 24 meters by 16 meters. find the height of the solid. 3. a

15. ## geometry

the length of the median drawn to the hypotenuse of a right triangle is represented by 3x-7, while the hypotenuse is represented by 5x-4. Find the length of the median.

16. ## statistics

A sudent is analyzing data from an experiment using a linear model. when the student entered the data into his calculator and ran a least squares linear regression the calculator gave a correlation coefficient of 0.01. what can the student infer from this

17. ## Math

The Venn diagram below shows the dinner orders for a local restaurant. This was submitted before, but no one answered. Thanks! How many people did NOT order steak for dinner? Steak, chicken & fish were order. In the Venn circles, the total that did not

18. ## Science

To find the current in a complex circuit, it is necessary to know the potential difference in each device in the circuit. current in each device in the circuit. equivalent resistance of the circuit. number of branches in the circuit. C Three resistors

19. ## math

a square pyramid has an altitude measuring 5 cm and a side of its bases measuring 6 cm. find the lateral area of the pyramid.

20. ## History

what were the structure that the romans built to carry water to distant places?

21. ## History

what were the roman laws called that applied to all citizens in the roman empire

22. ## Physics

Two forces act on a 5-kg object sitting on a frictionaless horizontal surface. One force is 30N in the +x- direction and the other 35N in the -x-direction. What is the acceleration of the object?

23. ## bio

are blood pressures have differences between genders?explain your answer. -from what i know, women have lower risk to get high blood pressure but for the range of normal blood pressure, i think there is no differences. pls correct me if i wrong and if im

24. ## Calculus

Evaluate the indefinite integral integral sec(t/2) dt= a)ln |sec t +tan t| +C b)ln |sec (t/2) +tan (t/2)| +C c)2tan^2 (t/2)+C d)2ln cos(t/2) +C e)2ln |sec (t/2)+tan (t/2)| +C

25. ## physics

A water-cooled engine produces 1589 W of power. Water enters the engine block at 14.61 °C and exits at 29.91 °C. The rate of water flow is 147.3 L/h. What is the engine’s efficiency?

26. ## Math

Solve the linear system by using elimination. 9x-4y=26 18x+7y=22

27. ## physics

140gm baseball travel 39m/!@#\$%^&s bat and travels at 45m/s at 30degree angle above horizontal,ball in contact wiht bat for 1.2ms calculate magnitude of average force on ball by bat

28. ## chem

what effect does concentration have the reaction time and what effect does it have on the reaction rate?

29. ## Physics

Two upright plane mirrors, 0.89 m tall, are placed parallel to each other 2.83 m apart. The top of the mirror on the right is then moved back a little so that its surface tilts away from the other mirror at an angle of 13.8° off the vertical. A narrow

30. ## Geometry

A conditional statement is always logically equivalent to its a.) contrapositive b.) converse c.) conjunction d.) inverse

31. ## Chemistry

Identify and discuss the differences between the terms ‘theories,’ ‘laws,’ and ‘hypotheses.’ Describe ‘controlled conditions.

32. ## math-calculus

i think i do something wrong again(2x+1)/(x-3)-(4x-1)/(2x-3) = 0 (2x-3)(2x+1)-(4x-1) = (0)(x-3)(2x-3) 4x^2+2x-6x-3-4x-1 = 2x^2-3x-6x+9 4x^2-4 = 2x^2-3x-6x+9 -2x^2-9x+13 i put this in quadratic formula and i think it wrong becaue i get 9/2 and 0for x and it

For this question, use the information for Sports Baseballs, Inc. Sports Baseballs, Inc. is a corporation that manufacturers and sells baseballs across several states in the Southeast. It had sales of \$2.7 million during the last year. Expenses were as

34. ## statistics

using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11 and the coefficientof variation is 45%.

35. ## math-calculus

30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i not sure what to do? i use the quadratic formula?

36. ## Calculus

The population of a county increases at a rate proportional to the existing population. If the population doubles in 20 years, then the factor of probability is a) 2e^(-30) b)1/2(ln 20) c)ln 2 d)1/20(ln 2) e)ln 20

37. ## math-calculus

30/x^2-25 = 3/x-5-2/x+5 i be left with 30 = 3x^2-75-2x^2+50 i not sure what to do? i use the quadratic formula? math-calculus - Steve, Saturday, January 7, 2012 at 3:38pm First, you have to simplify properly: 30/(x^2-25) = 3/(x-5) - 2/(x+5) 30 = 3(x+5) -

38. ## science

What are 2 ways resources are brought up from under Earth's surface?

39. ## history

Rome what is a rule stating how the new ruler of an empire will be chosen?

40. ## History

what is the term for the blending of greek and roman culture?

41. ## trigonometry

what is th decimal equiavalent of three degrees of a 90 degree angle with a .1666 long base

42. ## Precalc

Assume that points A(5, 10, 1), B(6, 3, 6), and C(12, 1, 4) are on a plane. Find vector AB and vector AC.

43. ## Precalc

At the point were a line intersects a plane [with the equation (24x+32y+40z=480) and three points of A(5, 10, 1), B(6, 3, 6), and C(12, 1, 4)], the vector i-, vector j-, and vector k-coefficients of the line equal the corresponding values of x, y, and z

44. ## English

I have a few more doubts about a few sentences. Thank you. 1) He denied robbing (instead of stealing?) the money. 2) I couldn't do anything but copying the Maths test (instead of "cheating during/in the Maths test). 3) On walking in front of her room

45. ## Optoelectronics

Obtain an expression for the radiative lifetime in terms of the transition oscillator strength. Calculate the lifetime for a transition with wavelength 500 nm and f = 0.5

46. ## prealgerbra

how do you solve 45 min/2 mi=?h/1 mi pre algerbra - drwls, Friday, January 6, 2012 at 11:44pm If you go 2 miles in 3/4 hour, you go 1 mile in 3/8 hour (or 22.5 minutes). how do we show are work then

47. ## History

From which animal do we get catgut? Cause when I search it various answers come up. It says like sheep,horse,cat,pig,etc.

48. ## Geometry

If AC = 3x + 2 and BC = 7x - 10, find AC BD AM BM

49. ## physics

calculate speed of 8.0 times 10 to the 4th kilogram airliner with a kinetic energy of 1.1 times 10 to the 9th jewles

50. ## Algebra

there were 39, 520 breast cancer deaths in the U.S. in 2011, or ___ of the 2007 breast cancer deaths in the U.S. what is the equation to determine the number of breast cancer deaths in 2007 in the U.S.

51. ## math-calculus

x-1/x+1 = 2x/15 (15)(x-1) = (2x)(x+1) 2x^2-15x+17 do i put this in quadratic formula? i so confused.

What are some things the Pilgrims bring with them on the Mayflower

53. ## math-calculus

4x+3/2x-1-2 = 6x+2/2x-1 (4x+3)(-2) = (6x+2) -8x-6 = 6x+2 -14x-6 = 2 -14x = 8 x = 4/-7 i not think i did this right.

54. ## History

name the three main barbarina tribes that contributed to the fall of rome?

55. ## Math 117

3. In 2002, Home Depot’s sales amounted to \$58,200,000,000. In 2006, its sales were \$90,800,000,000. a. Write Home Depot’s 2002 sales and 2006 sales in scientific notation. You can find the percent of growth in Home Depot’s sales from 2002 to 2006 by

56. ## Geometry

Which is logically equivalent to ~p -> q? a.) ~q -> p b.) ~q -> ~p c.) q -> p d.) q -> ~p

57. ## Precalc

Assume that points A(5, 10, 1), B(6, 3, 6), and C(12, 1, 4) are on a plane. Find vector AB and vector AC.

58. ## English

I forgot to include the following sentences. Could you please check these other sentences, too. 1) Rewrite the exercise three times after learning the use of reporting verbs. 2) Revise carefully the verbs followed by the infinitive and the gerund in your

59. ## math

help! If you have an equilateral triangle with a line down the middle from top to bottom with T at the top and R X S at the bottom, X being in the middle and RT=6, RS=9 then RX= what?

60. ## chem

Sorry I wrote that wrong. The exact question from the textbook says, 'Comment of the effect of concrentration of reaction time.' I don't really understand the question.

61. ## Geometry

Which does not represent a possible intersection of a line and a right cylinder? a. 3 points b. 2 points c. 1 point d. a segment A?

62. ## math

Part 1: Find the area of a rectangular object which has a length of 5√8 inches and a width of 2√5 inches. (3 points) Part 2: Explain, in complete sentences, how you arrived at the simplified answer and give the final solution in simplified radical

63. ## literary

how do i find the literary device in this poem? Her beam on the waves, I gazed awhile On her cold smile Too cold-too cold for me-\ There pass'd as a shroud A fleecy cloud, And i turned away to thee, Proud Evening Star

64. ## Act Question

all distances are in feet and all are right angles. a straight line drawn from point w to point z would be how long in feet?

65. ## physics

A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·10^5 Pa. If there were no ventilation, by how much would the temperature (in K) of

66. ## Physics

An object that is 27 cm in front of a convex mirror has an image located 18 cm behind the mirror. How far behind the mirror is the image located when the object is 19 cm in front of the mirror?

67. ## Calculus

Evaluate integral sign (x-1/(2x))^2 dx=

69. ## Calculus

integration-indefinite Evaluate ¡Ò dx/3(2x-1)^2

70. ## Calculus

Evaluate the indefinite integral ¡Ò(x-2)^3/x^2 dx

71. ## English

I left out the following sentences. Thank you very much. 1) The government plans to import cheetahs from Africa. This project includes building a breeding site. 2) At first, the elephant stood on the edge of the camp but, after twenty minutes, one elephant

72. ## social studies

When dose Michigan becomes a state

73. ## Algebra

Factor. f(x)=1/2(x-2)^3+1

74. ## history

before the republic or the empire what group of people explanded from northern italy to encompass rome?

75. ## history

How many times more powerful was vesuvius than St Helen?

76. ## History

what was the marching formation the romans used called and where did they get the idea?

77. ## history

what roman govening body had 300 members

78. ## History

what were the roman laws called that were writtin down to ensure equal treatment between the rich and poor?

79. ## history

what is the last name of the two roman senators who fought for the rights of the poor and were killed for doing so

80. ## Hist;ory

whin octavian took control of rome what did he change his name to?

81. ## history

what was the arena called that is said to have seated 250,000-300,000 pleople

82. ## Physics

Two forces act on a 5-kg object sitting on a frictionaless horizontal surface. One force is 30N in the +x- direction and the other 35N in the -x-direction. What is the acceleration of the object?

83. ## History

what was the volcono called that covered the city of pompeii in 79 AD

84. ## Physics

Two forces act on a 5-kg object sitting on a frictionaless horizontal surface. One force is 30N in the +x- direction and the other 35N in the -x-direction. What is the acceleration of the object?

85. ## Physics

Two forces act on a 5-kg object sitting on a frictionaless horizontal surface. One force is 30N in the +x- direction and the other 35N in the -x-direction. What is the acceleration of the object?

86. ## Physics

Two forces act on a 5-kg object sitting on a frictionaless horizontal surface. One force is 30N in the +x- direction and the other 35N in the -x-direction. What is the acceleration of the object?

88. ## Geometry

Given two statements: r -> s and ~s -> ~r, in which way is the second statement related to the first? a.) converse b.) inverse c.) contrapositive d.) biconditional

89. ## math

Solve for x:x + 5 < 1

90. ## Algebra

Simplify. (3x^2)^2 (6x^4)

91. ## world history

legalism was the dominant philosophy in china during the reign of

92. ## world history

what perennial problem did china share with rome

93. ## re-post statistics

a weather girl predicts there is a 50% chance of rain and a 10% chance that the rain will turn into snow. What is the probability that it will snow? statistics - Ms. Sue, Friday, January 6, 2012 at 9:08pm What on earth is a "weather girl?" That's what the

94. ## math

Factor 63s^2+294st+343t^2

95. ## English

is this poem good for my poetry class? All I Want is Us When nothing else remains, I want to know if you’ll stand by my side. If you’ll be the light of my path when the sun shuts down. I want to know if you’ll mend my soul and patch up my bleeding

96. ## physics

Find the net change in entropy when 213 g of water at 0.0°C is added to 213 g of water at 96.9°C.

97. ## History

What do all of these former Presidents have in common? Abraham Licoln,John !@#\$%^&ennedy,James Garfield,and Franklin Roosevelt.

98. ## KEYBOARD

d(-_-)b monkey < fish think of anymore? NO SMILEY FACES :D

100. ## English

I need help on; how to contrast Walt Whitman perspective of America with the perspective that the members of Occupy Wall Street and the the Tea Party movement have about America.?

101. ## Science

What are 3 ways resources are brought up from the earth's surface?

102. ## Process Technology

How many minutes will it take for an oil well producing 350 barrels of oil per day to fill a 14 foot diameter by 49 foot tall tank?