1. Chemistry

The normal boiling point of ethanol is 78.4°C. When 9.16 g of a soluble nonelectrolyte was dissolved in 100. g of ethanol, the vapor pressure of the solution at that temperature was 7.40 102 Torr. (a) What are the mole fractions of ethanol and solute? (b)

2. history

For what purpose Muslim League branch in London was established? ► To organize the Muslim community in London ► To draw attention to the misinterpretation and plans of the Hindus against the Muslims ► To emphasize the conspiracies of the British

3. Physics

The oven draws 1100W of power, and you have determined that it heats with an efficiency of 51%. Using this information, determine the time t it would take to bring 240mL of water from 25C to 100C . Note that 4.2 J of energy is required to raise the

4. math

HELP Not great in these Express y=2x^2 -12x +23 in the form y=2(x-c)^2 + d The graph of y=x^2 is transformed into the graph of y=2x^2 - 12x +23 by the transformation a vertical stretch with scale factor k followed by, A horizontal translation of p units

5. Chemistry

A 1.00% by mass MgSO4(aq) solution has a freezing point of -0.192°C. (a) Estimate the van't Hoff i factor from the data. (b) Determine the total molality of all solute species. (c) Calculate the percentage dissociation of MgSO4 in this solution. Can

A monatomic ideal gas expands from point A to point B along the path shown in the drawing. (a) Determine the work done by the gas. J (b) The temperature of the gas at point A is 198 K. What is its temperature at point B? K (c) How much heat has been added

7. Physics

An engineer claims to have measured the characteristics of a heat engine that takes in 130J of thermal energy and produces 40J of useful work. What is the smallest possible ratio of the temperatures (in kelvin) of the hot and cold reservoirs?

8. Chemistry

3Ca(NO3)2(aq)+2Na3PO4(aq)->Ca3(PO4)2(s)+6NaNO3(aq) A.)the moles Na3PO4 required to react with 2.03 L of 0.891 M Ca(NO3)2 B.)the grams of Ca3(PO4)2 that can be obtained from 136 mL of 0.627 M Ca(NO3)2 C.)the volume of 0.76 M Na3PO4 needed to react with 25

9. Physics

Approximately what force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 6.9 kg shot put (Fig. 9-66)? Assume the lower arm has a mass of 2.8 kg and its CG is 13.0 cm from the pivot point.

10. Physics

Two pans of a balance are 50cm apart. If the fulcrum is displaced by 1cm what percentage is the true weight marked up? the answer i got was 1.3%, please help if wrong (which it probably is).

11. Physics

A 7.0 kg bowling ball moves at 2.40 m/s. How fast must a 2.60 g Ping-Pong ball move so that the two balls have the same kinetic energy?

12. chemistry

Butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -0.4 degrees C. A 250mL sealed flask contains 0.5g of butane at 25 degrees C. How much butane is present as a liquid? If the butane is warmed to 25 degrees C, how much is

13. history

In which magazine Sir Syed focused on socio-cultural issues and problems of the Indian Muslims? ► Risala-i-Asbab-i-Baghawat-i-Hind ► Loyal Muhammadans of India ► Ahkam-i-Tawam Ahlil Kitaab ► Tehzib-ul- Akhlaq

Five moles of a monatomic ideal gas expand adiabatically, and its temperature decreases from 410 to 200 K. (a) What is the work done by (or done to) the gas? Include the algebraic sign. J (b) What is the change in the internal energy of the gas? Include

15. College Physics

Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). x 1kg------2kg | | | |y 3kg------4kg (a)Find the MAGNITUDE and DIRECTION of the net force acting on the 2.0 kg mass if x = 0.20 m and y = 0.11 m.

16. MATH

Suppose that 2000 is loaned at a rate of 9% , compounded semiannually. Assuming that no payments are made, find the amount owed after 10 years.

If ab=6y & bc=8y What is BD In Terms Of Y.??

18. Taxation

"Sally W. Emanual had the following dividends and interest during the current year. Acorn Corporation bond interest \$700 City of Boston bongs interest 1,000 Camp Bank interest 1,250 Jet Corporation dividend(Qualified) 1,300 North Mutual fund Capital gain

19. statistics

the j.o supplies company buys calculators from a supplier. The probability of a defective calculator is 10%. If 100 calculators are selected at random, what is the standard deviation of the number of defectives.

20. Chem 20

Each of the following solutions has a concentration of 0.1 mol/L. Compare the hydronium ion concentration and pH in each pair and explain why they are different. a) H2SO4(aq) vs. H2SO3(aq) b) H2S(aq) vs. NH3(aq)

21. Chemistry

2KMnO4(aq)+16HCl(aq)->2MnCl2(aq)+5Cl2(g)+8H2O(l)+2KCl(aq) A.)the volume of 0.414 M KMnO4 needed to produce 1.66 mol MnCl2 B.) the volume of 2.15 M HCl needed to produce 112 mL of 0.618 M KCl C.)the molarity (M) of the HCl solution when 26.42 mL react with

22. trig

the height of a projectile is modeled by the equation y=-2x^2+38x+10, where x is a time, in seconds, and y is height, in feet, During what interval of time, to the nearest tenth of a second, is the projectile at least 125 feet above ground

what is the falling action of a white heron?

24. chemistry

How many grams of AgNo3 are required to make 25 mL of a .80M solution?

the perimeter of a triangle is 31 cm. sides #1 and #2 have epual length, while side #3 is one centimeter shorter than twice the length of side #1. how long is each side

What is a domestic pricing model?

27. math

Peter is interested in designing an experiment to test the probability of tossing a certain number on a fair cube. He will toss one cube 10 times in a row and count how many times the cube lands on the number 4. What is one aspect of this experiment he can

28. Math

A total of \$11,000 was invested. Part of the \$11,000 was invested at 4% and the rest invested at 7%. If the investments earn \$680 per year, how much was invested at each rate?

29. Math

If \$8,500 is invested at 6% compounded continuously, how long will it take to double the investment? How long will it take the original investment to grow to \$14,586.06

30. macroeconomic theory

4. If an individual's utility function for coffee (x) and cream (y) is given by U(x, y) = min (x, 5y), write the demand function for coffee .

31. physics

The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.50 X 10^5 Pa, and the horizontal divisions represent 3.00 X10^-3 m3. Determine the work done (including algebraic sign) in each

32. physics

A hole in an aluminum plate has a diameter of 1.465 cm at 22.80° C. (a) What is the diameter of the hole at 199.0° C (to four significant digits)? (b) At what temperature is the diameter of the hole equal to 1.463 cm (to three significant digits)?

33. Math

If \$8,500 is invested at 6% compounded continuously, how long will it take to double the investment?

34. computer science

If all the hub and authority scores are initialized to 1, what is the hub/authority score of a node after one iteration? In the preceding discussion we encountered two recommended “hard constants” – the increment on te being ten times the last fetch

35. physics

(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s.(kPa) (b) If the area of the wing is 30 m2, what is the net upward force exerted on

36. MATH

you have 4 blue crayons, 2 red and 3 orange, what is the probablity of pulling a red crayon and then an orange without replacement?

37. physics

a man exerts 200 N force on a 18 kg lawnmower handle as he pushes it at constant velocity . the hantle makes an angle os 50 degrees with the ground.

38. chemistry

what is the wavelength of an electron traveling at 1.65% of the speed of light?

39. Chemistry

Hi,may I have your help? I have posted a titration question that I'm trying to solve. The correct answer to the problem is 0.128 M, however,I have arrived at the answer: 0.000128 M. Here's the question: If 38.30 mL of 0.250 M NaOH is used to titrate 25.0

40. Physics

At t = 0 s a flywheel is rotating at 25 rpm. A motor gives it a constant acceleration of 0.8 rad/s2 until it reaches 100 rpm. The motor is then disconnected. How many revolutions are completed at t = 23 s?

41. physics

A simple pendulum has a length of 1.5 m and is pulled a distance y = 0.24 m to one side and then released. (Assume small angle.) What is the speed of the pendulum when it passes through the lowest point on its trajectory?

42. physics

how much work is being done if a 100 N box is lifted 3 meters off the ground???

43. Physics

A 12.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 144 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses

44. college math

apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

45. social studies

Which statement is the most accurate? A. Business activity in 1929 began to decline a few months before the stock market crash. B. The stock market crashed a few months before business activity began to decline. C. The stock market crashed at virtually the

46. Chemistry

Gravimetric analysis does not always involve a precipitate. Consider the following problem. A mixture of calcium carbonate and calium oxide has a mass of 8.35 grams. When heated strongly, the CaCO3 in the sample decomposes into solid CaO and carbon dioxide

47. Math

The mean salary of the female employees of one company is \$29,525. The mean salary of the male employees of the same company is \$33,470. Can the mean salary of all employees of the company be obtained by finding the mean of \$29,525 and \$33,470? Explain

48. Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .

49. physics

How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180°C to a liquid at 660°C (its melting point)? The latent heat of fusion for aluminum is 4.0 105 J/kg.

50. social studies

Our economy ______ operates on its production possibility curve. A. always B. usually C. sometimes D. never I'm stuck between B and C. Here's the text: "Usually there's some economic slack, but every so often we do manage to operate at peak efficiency.

51. Math/Pre Cal

Find the sum of the geometric series 128-64+32-______to 8 terms .

The pole vault landing pad at an Olympic competition contains what is essentially a bag of air that compresses from its "resting" height of 1.1 m down to 0.1 m as the vaulter is slowed to a stop. (a) What is the time interval during which a vaulter who has

53. Math

two sides of a triangle are equal. The third side is 3 less than the sum of the two equal sides. The perimeter is 31 inches. Find the length of each side

54. college math

apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

55. Pre-Calculus

What is the present value of a \$1000 bond which pays \$50 a year for 10 years, starting one year from now? Assume interest rate is 6% per year, compounded annually

56. physics

How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180°C to a liquid at 660°C (its melting point)? The latent heat of fusion for aluminum is 4.0x10^5 J/kg. I understand the Equation Q=mc times change it T would that be .55

57. Physics

Determine the initial acceleration of a 1 kg solid aluminum chunk (density = 2,700 kg/m3) released from rest by a diver 10 m under the ocean.

58. Physics

An inclined plane is on a table 1.4m tall. A 6kg box is hanging vertically attached to a 2kg mass on a plane with an unknown incline plane with coefficient of sliding friction of .2 . a. determine the acceleration of the system. b. if the plane is 3.5m

59. Chemistry

A 0.5962g sample of iron ore is dissloved in acid producing Fe3+. Though a series of reactions, the iron precipitates as the Fe(OH)3. The precipitates is heated, forming solid Fe2O3. What is the mass % of iron in the sample if the analysis produced 0.3210g

60. Chem 20

What do these reactions end up looking like when they react with water? a) CN-(aq) b) HNO3(aq) c) H2SO3(aq)

61. trig

sin2 theta = cos theta, 90 degrees less than or equal to thetha greater than 180 degrees

62. cost accounting

fixed cost relating to staging a concert are 350,000. variable cost per patron are \$5.00. the selling price for a tickets \$25.00. The blue Saints band has sold 23,000 tickets so far. How many ticket does the Blue Saints band need to sell to achieve net

63. physics cant firgure this out

A Carnot air conditioner maintains the temperature in a house at 298 K on a day when the temperature outside is 310 K. What is the coefficient of performance of the air conditioner?

64. World History

1. As industry spread in the Second Industrial Revolution, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? Can

65. chemistry

Compute the boiling point elevation of a salt water solution that contains 2.60 g of NaCl dissolved in 121 ml of water. Enter the number of degrees celsius that the boiling point will be elevated.

66. algebra 1

1. The points L(4, 0),M(10, 0), and N(7, 5) form Triangle LMN. What is the sum of the slopes of the three sides of the triangle?

67. calculus

A particle is moving along the graph of x^-(1/3). When x=8, the component of its position is increasing at the rate of 1 cm/sec. How fast is the distance from the origin changing at this moment? How fast is the angle of inclination changing at this moment?

68. MOMENTUM AND SHM

A(n) 3800 kg rocket traveling at 2500 m/s is moving freely through space on a journey to the moon. The ground controllers ﬁnd that the rocket has drifted oﬀ course and that it must change direction by 9.2 degrees if it is to hit the moon. By radio

69. world history

the declaration of the rights of man issued during the french revolution of 1789-

70. Finance

Assume that you have a bond with a 22-year life, a five percent coupon rate, semi-annual coupon payments and the bond is priced at 103. a) What is the YTM b) if the bond is callable after 3 yrs, What is the YTC? c) What is the current yield?

71. Social Studies

What are 6 significant events important to Americans that occurred during World War II?

72. Cost accounting

The company is planning to sell product z for \$10 a unit. Variable costs are \$6 a unit and fixed cost are \$100,000. What must total sales be to break even?

73. cost accounting

market a new product for 2.00 a unit. fixed costs to manufacture this product are 100,000. the contribution margin is 40 percent. how many units must be sold to realize net income of 100,00 from this product?

74. CMC/260

I am writing a paper and need some help getting started. I was asked to, Compare in 750 to 1,050 words the relationship of status and age to gender in the U.S. with the relationship of status and age to gender in another country. I am confused about how to

75. college buisness

What about today's society reinforces American civic values?

76. Chemistry

Calculate the aqueous solubility (in milligrams per liter) of the following. The temperature is 20.°C in each case, the pressures are partial pressures of the gases. (a) air at 2.4 atm (b) He at 1.7 atm (c) He at 11 kPa There's also a table giving Henry's

77. spanish

Miguel _____ que estudiar mucho y leer muchos libros

78. Trig

a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?

79. social studies

Between 1850 and 1950 the productivity of the average American farm worker: A. declined B. remained about the same C. doubled D. quadrupled I'm unsure which choice to choose? helpp

80. chem

What is the empirical formula for Ba(NO3)2

81. social studies

There was an economic boom within one or two years after: A. both WWI and WWII. B. neither WWI nor WWII. C. WWI, but not WWII. D. WWII, but not WWI. I'm stuck between A and C. help?

82. college

Solve 9 tan x +5 =0, where 0

83. English

1. I saw something very funny. 2. I saw something very fun. (Are both expressions correct? What is the difference between 'funny' and 'fun'? Thanks a lot.)

84. fin

4. If an individual's utility function for coffee (x) and cream (y) is given by U(x, y) = min (x, 5y), write the demand function for coffee .

85. Chemistry

A chemistry lab experiment requires 34.0 g of silver nitrate. How many grams of a 23.1% by mass solution of silver nitrate should be used?

86. Biology

Angiosperms (flowering plants) are the largest phylum in the plant kingdom (Angiospermophyta is also called Anthophyta or Magnoliophyta). These plants have true roots, stems, leaves, and flowers. The roots grow into the soil to anchor the plant in place

87. geometry

Given a circle with the radius of 2, which is the degree measure of an arc whose length is 1/2 pi?

88. arithmetic

the main street cinema holds 1,356 people. last saturday night they were sold out for two showings of super alien 5 there was a special price of 5\$ for every seat for each showing how much money did the theatre take in that night

89. mATH

solve using multiplication principle. -2/7x=6/35

90. sara

which of the following is an example of capital? A. money in a Swiss bank account. B. a bulldozer C. a CD by Metallica D. a Dracula costume for Halloween not sure which one to choose? helpp

91. algebra

combine and reduce 6b/3a + b/a = answer 3b/a

describe why it is important to consider each domain in the study of adult development, provide an example of how one domain of development impacts the other two.

Laurie expects to make \$100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?

94. URGENT Statistics

In performing two-tailed hypothesis test with v=20, you obtain a t-statistic of 2.41. The p-value is: Between 2% and 5%. I need help understanding how this range was gotten. I know that the t-statistic is between t.025 and t.01 and since this is a 2-tailed

five companies contribute different amounts to a local charity. which visual could best illustrate the percentage of all the monies collected that each companys cntribution represented table bar chart line graph pie chart

96. calculus

at which value of x does y=(x+1)(x-19)+7 takeon its minimum value?

97. Statistics

How do you differentiate between equal and unequal variances when conducting a t-test for comparing two populations?

98. economics

There was an economic boom within one of two years after: A. both WWI and WWII. B. neither WWI nor WWII. C. WWI, but not WWII. D. WWII, but not WWI. I'm stuck between A and C. help?

99. cost accounting

it a medium-size manufacturer of bicycles. during the year a new line call "Radical" was made available to Frank customers. The break-even point for sales of Radical is 250,000 with a contrbution margin ratio of 40 percent. Assuming that the profit for the

100. physics

A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the track.

101. English

Thank you for your corrections. Can you check these questions and answer them (if you can). 1) Do you happen to know the name of a website where I can improve my English speaking and listening skills? 2)I wonder if it would be possible to talk to some

102. math

determine the number of scoops per coneso each of the 88 students at an ice cream party has a different pattern of chocolate and vanilla ice-cream scoops.

103. math

what is 7+7-5x2+2-8

104. algebra

Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate. Find examples that support or refute your classmates’ answers to the discussion question. Provide additional similarities and differences between functions

105. physical

Suppose an unknown substance has a melting temperature of 1,200 degrees Celsius and a density of 16.7 g/cm3. However, the different individual atoms that make up the element have very different melting temperatures and densities. Which is the unknown

106. Pre Calc

f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy

107. Math

For y=f(x+2)- 3 write an equation of the asymptote to the graph. Is it y=(1/x) * (x+2)-3

108. marketing

A firm's decisions regarding channel type, market exposure, and kinds of intermediaries would fall under the marketing mix variable of what?

109. algebra

What does x represent in this question 3x+-5=2x-12

110. English

Both my big brother and my sister (deliver, delivers) the morning paper. deliver

111. Political science, collee

President Bush has stated that if any non-democratic country's people seek freedom, America will stand with them. Freedom and democracy, however, takes several forms. What kind of democracy and freedom should a country that has never enjoyed these

112. calculus

A particle is moving along the graph of x^-(1/3). When x=8, the component of its position is increasing at the rate of 1 cm/sec. How fast is the x-component changing at this moment?

113. Finance

FIN500, Inc. has the following project. It is a 4 year project and required initial investment of \$10 million. Depreciation is straight-line over 4 years. Initial net working capital requirement is \$1.5 million and is fully recoverable whenever the project

114. Criminal Justice

what attributes make up an effective and ineffective appellate court judges?

115. math

Net worth. Melanie's house is worth \$125,000, but she still owes \$78,422 on her mortgage. She has \$21,236 in a savings account and \$9,477 in credit card debt. She owes \$6,131 to the credit union and figures that hers cars and other household items are

Every week, a grocery store buys 30 gallons of milk at a cost of \$1.58 per gallon. The store owner anticipates a 15% spilage rate. To achieve a 20% markup based on cost, what should be the selling price per gallon? Round to nearest cent.

117. english

The high rate of eating disorders in the United States is mainly attributed to social factors such as media, cultural influences, and family factors. My questions is should it be, The high rate of eating disorders in the United States IS/ARE mainly

118. English Wording

is this right: ... "sent through the mail" or does that sound awkward

119. physics

A car starts from rest accelerates with a constant acceleration of 1.5 m/s squared. HOw far does the car move in 4 seconds?

120. OCHem

The amount of methylcycloheane with the substituent in the equatorial orientation at room temperature (25C) would be The Gibbs free energy for axial methyl to equatorial methyl is -7.28Kj/mol (the universal gas constant is 8.314 j/deg-mol). I cant remember

121. statistics

Provide three examples of when practical significance outweighs statistical significance? Explain your rationale.

122. health

If a patient without a spleen compare to a patient with a spleen had a blood smear done it would most likely reveal, "many more fragile and old erythrocytes or many more bacteria. I have read and reread this and I keep finding these 2 now I am stuck help

123. College Physics

Finally, your friend's twin engine jet airplane lands. As it stands on the runway, you hear the sound of the engines getting louder and softer, rhythmically once every 2.3 s. The average frequency you hear is 3650 Hz. What are the differences between the

124. Research

The probability is 1 in 4,000,000 that a single auto trip in the United States will result in a fatality. Over a lifetime, an average U.S. driver takes 50,000 trips. (a) What is the probability of a fatal accident over a lifetime? Explain your reasoning

125. Math

an average sized female spider and a large spider can lay 2,100 egs at one time. The large spider lays 20 times the number of eggs as as the average sized spider. How many eggs does the average sized spider lay?

126. eth

Should United States government policy favor certain kinds of immigrants?

127. physics

A toy train is on a track which has a circumference of 10 meters. The train takes 20 seconds to complete one revolution around the track.what is it's average speed? average velocity?

128. Political science

Where can I get a short summary or statistics showing the success of Muslim Ameican businesses in the US?

129. English

Hello. I need some lexical help. Is it possible to use such words as "vacation", "holiday" or their plural forms (vacations, holidays)in respect to Parliament: parliamentary...? Thank you very much for your attention and help.

130. Health

Why can the lack of universal health care coverage raise health care cost?

131. chemistry-Gases

A girl breathes in a volume of 2 . 6L of air dives to a depth that has a temperature of -11 degrees Celcius What volume of air will she breathe in when she resurfaces to a temperature of 37 C???

132. mATH

what are the LCM of 8 and 20

5/6+1/5T=4/6

134. mATH

A bucket has 28 liters of water in it is 2/3 full. How much can it hold?

135. us history

Compare the colinial empire of Spain, France and England in terms of their settlements, economic structure and political control.

136. mATH

what is the decimal notation for 4/9

137. Geography

which level of economic activity does nomadic herding go into?

138. EAST MIDDLE SCHOOL

FINDING THE CORDINATES OF OF POINTS A,B,C, D, E, F, AND G.

what will happen if there is too much mass in the cars on a roller coaster?

140. SCI/241

Hello, I have to answer this question for my assignment. Compare and contrast how different electrolytes-sodium, potassium, and chloride-function in the body. This is what I have so far but I am not sure if this is the whole answer. The Electrolytes in

if the ratio is 3:2 and length is 5 inches.what is the widith

142. Math

What steps do I take in order to solve : (101-100) = .512 x (x/.5)

143. com156

How does a persuasive essay differ from a biased essay?

144. History

1) sketch out the contours of US history between 1789 and 1865 2) characterize US economic development during this period (economic philosophy, development models, technological innovations, and the real economy) 3) elaborate the outlines of sectional

what is the set of points equidistant from two given points A & b?

146. accounting

This is the question: "Use page 3 of the journal. Jornalize and post the adjusting entries." Can you tell me how to do that?

147. Political science college

what is a source for statistics for muslim american businesses in the US Do you know of a source for statistics for muslim american businesses in the US economy

148. english

Which of the following is NOT a benefit that the narrator claims from his "modest proposal"? Question 9 answers A. national and international recognition for their efforts B. a sense of value and pride for poor people C. increase in profit and disposable

149. chemistry

if you have 52 grams of hydrogen chloride in 6 liters of solution , what's the ph ?

150. US History

I need to do a poster that's for teen suffrage and I wanted to use this: h t t p : / / c d n . w n . c o m / p h / i m g / 3 0 / c a / e f 1 c 4 8 d 1 3 2 f d 1 c 1 6 0 5 b b 9 3 d 2 5 2 7 8 - g r a n d e . j p g or something like this. Would this be a

151. government

the role of the house rules committee is played in the senate by the

152. calculus

if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

153. calculus

if the area of a triangle with base 2F and height F-2 is equal to F, compute F.

154. economics

Which statement is the most accurate? A. Business activity in 1929 began to decline a few months before the stock market crash. B. The stock market crashed a few months before business activity began to decline. C. The stock market crashed at virtually the

155. CMC/260

Compare in 750 to 1,050 words the relationship of status and age to gender in the U.S. with the relationship of status and age to gender in another country.

156. Calc

Find the derivative of the function. f(x) = arctan (x/a)

157. English

Either the wall clock or our wristwatches (tell, tells) the correct time. tel

158. Calc

Find the derivative of the function. h(x) = x^2 arctan x

159. health

Is government regulation neccessary for the effective delivery of health care in the U.S.?

160. Geometry

A student asks how to find the shortest path between two points A and B on two different faces which are neither the top or bottom of a right rectangular prism, without leaving the prism. How do you respond?

161. Calc

Find the derivative of the function. y = x arccos x - (sq. rt. (1 - x^2))

162. Calc

Verify the differentiation formula. d/dx[arcsin u] = u'/(sq. rt. (1-u^2))

163. parent

A parent’s chance of passing a rare inherited disease on to a child is 0.15. What is the probability that, in a family of three children, none of the children inherits the disease from the parent?

164. ethics

In the past two years what are some changes the U.S. has made concerning the treatment of Muslim and Arabic members of society?

165. statistics

The Redsox were accused of cheating their soda customers by not putting enough soda in the 12 ounce cup. When 15 cups were selected at random, they were found to have a mean of 11.7 ounces with a standard deviation of 0.5 ounces. At the .01 significance