# Questions Asked onJanuary 19, 2013

1. ## Microeconomics

ADVANCED ANALYSIS Assume the following values for Figures 5.4a and Figures 5.4b. Q1 = 20 bags. Q2 = 15 bags. Q3 = 27 bags. The market equilibrium price is $45 per bag. The price at a is$85 per bag. The price at c is $5 per bag. The price at f is$59 per

2. ## math pre-calc

find an expression for sin (5 theta) as a fifth degree polynomial in the variable sin(theta) ?

15. ## algebra

how do the graphs of y=1/x and y=3/x-4 compare? a) compared to the graph of f=1/x the grapg of y=3/x-4 is vertical stretch by factor of 3 and a translation of 4 units left b) compared to the graph of y=1/x the graph of 3/x-4 is a vertical shrink by a

16. ## Physics

A boy's hand pushes a ball through a vertical distance of 1.45 m as he throws the ball straight upward. Once the ball leaves his hand it travels an additional 22 m (straight up) before returning to earth. Find the acceleration of the ball while it was in

36. ## World History

What difficulties did early humans face in migrating to Australia and the Americas and what are the theories about how they overcame those difficulties?

37. ## Chemistry

Calculate the amount (g) of each of the following salts that need to be added to a 200 mL volumetric flask to produce a 2 M solution of S. CaSO(subscript 4) [NH(subscript 4)subscript 2]SO(subscript 4) NOTE: the subscript 2 is outside the (NHsubscript 4)

38. ## Chemistry

At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium?

56. ## Computer

What is the standard configuration for a newly purchased hard drive? A. Master-drive B. Single-drive C. Slave-drive D. Primary-drive

57. ## Melanie

A right triangle has a hypotenuse of length 13 meters and one side of length 5 meters. What is the length of the third side and the angle between the hypotenuse and the 5 meter side? A. 144 meters, 67.38 degrees B. 12 meters, 22.62 degrees C. 10 meters,

58. ## statistics

Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate

59. ## physical science

If you dissolve 25.0g og sugar in 150cubic cm of water, what is the concentration in g/cm3 g/10cm3 g/10cm3

60. ## Computer Hardware

Your computer fails to boot which has Vista as the operating system. You suspect that the problem is the hard drive, but you aren't sure. What can you do to prove that the problem is indeed the hard drive? A. Install XP on the hard drive and attempt to

61. ## math

3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got 3x^3+2x^2-12x+8 / (x-1)(2x-3) (x-4) Is this right please show your steps so I can understand! Thanks I greatly appreciate your help! Iwas just wondering wen my question be answered...thanks

62. ## Math

Find in terms of trigonometric function of x Tan(90° + x)

63. ## Accounting

Can someone show me this bank reconciliation? On Aug 14th, One of our Partner's ( Compuville ) cash book showed a debit balance of $4,000.00. His bank statement showed a balance of$4,270.00. On comparison the following were found: * check issued amounting

64. ## Algebra 2 ..

What is the domain and range? f(x)=3^x-4

65. ## Trigonometry

give me an expression that is equivalent to 1(7x)−52

66. ## Math 104

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 34 said they drove alone. 24 rode in a carpool. 28 rode public transportation. 3 used both carpools and public transportation. 3 used

67. ## Physics

A lizard of mass 3.0 g is warming itself in the bright sunlight. It casts a shadow of 1.6 cm^2 on a piece of paper help perpendicularly to the Sun’s rays. The intensity of sunlight at the Earth is 1.4 x 10^3 W/m^2, but only half of this energy penetrates

68. ## math

In the xy-coordinate plane, the distznce between point B(15,7) and point A(x,15) is 17. What is one possible value of x?

69. ## math

Simplify the rational expression in the form A/B. X^-2+X^-4. Express the final result in a single fraction using positive exponents only.

70. ## college math

divide 2x^2-8x19 byx-3

71. ## calculus

Let f(x)=(2+x)2−4x. Note that f(x) is undefined at x=0. However, in this case, we can find a continuous function g(x) defined at x=0 that agrees with f(x) near x=0. Find the function g(x) that is equal to f(x) when x≠0 such that g(0)=limx→0f(x).

72. ## maths

what will be the total cost of creating a 1-foot border of tiles along the inside edges of a room

73. ## thermal physic

What is the average translational kinetic energy of one mole Of gas molecule in an ideal gas at 37degree celsius

74. ## Fundamentals of Interpersonal Communications - 157

Write an essay that (1) defines and describes the five stages of Maslow's Hierarchy of Needs and (2) includes a discussion of how belonging needs and self-esteem needs currently apply to you. Be specific and use examples to illustrate each.

75. ## Statistics

Can you get the mean, median, and mode from a list of credit card names?

76. ## math150

solve for d (p/(d+b))=(g/d)

77. ## Chemistry

How many cm3 solution of 36% HCl with density 1.183g/cm3 should be taken to prepare 250cm3 solution with concentration of 0.215 g/dm3.

In the redox reaction: 2FeS + 4.5 O(subscript 2)+ 2H(subscript 2)O > Fe(subscript 2)O(subscript 3) + 2H(subscript 2)SO(subscript 4) Fe is oxidized or reduced (select one) from ___ to ___. S is oxidized or reduced (select one) from ___ to ___.

79. ## [hysics

A powerful motorcycle can accelerate from rest to 24.8 m/s (55 mi/h) in only 5.90 s

80. ## math

1. solve for y: 2y-33y

Calculate the monthly mortgage payment for only the principal and interest. Purchase price = 150,000; down payment = 20%; interest rate = 4.5%; 20 year term

82. ## Chemistry/Calculus

I have a question about how to plug in numbers on my calculator (TI-30XIIS) to get an answer. How would I put in my calculator... ln 1.00X 10-2 mol/L /1.65 X 10-2 mol/L to get-0.501? I keep getting the wrong answer...

83. ## Math

At a college basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the

84. ## Hard algebra qestion

3x^2+6x/2x^2-11x+12 - 2x^2-5x+3/x^2+x-2 ÷ 4x^2-12x+9/x^2-4 I got 3x^3+2x^2-12x+8 / (x-1)(2x-3) (x-4) Is this right please show your steps so I can understand! Thanks I greatly appreciate your help!

85. ## math

In order to decide where he is moving, Dr. Early plays a coin game against himself. If he gets the sequence THH first, he moves to Austin. If he gets the sequence HHH first, he moves to Tacoma. What is his chance of moving to Tacoma? (T represents tails

86. ## math

The polynomial 3x^2-2x-2 has roots p,q. what is the value of 1/p + 1/q?

87. ## Math

An archer misses the target on her first shot and hits the target on the next 3 shots. What is the least number of consecutive shots that she must now make in order to have hit the target on at least 9/10 of all her shots? ( please show work on how to

88. ## chem

Calculate the number of moles of solute present in each of the following solutions. a) 39.0 mg of an aqueous solution that is 1.00 m NaCl b)90.0 g of an aqueous solution that is 2.10% sucrose (C12H22O11) by mass.

89. ## foundations of math

simplify 10(-3a+3b-3c)-8(4a-6b+3c)

90. ## Math

For a certain product, one case holds 8 boxes and each box holds 12 items, how many total cases are needed to hold 500 items?

91. ## math

if 3/4 is multiplied by itself , will the product be greater than 3/4? explain

92. ## algebra 1

what steps someone would take to use your method (substitution)

93. ## SPANISH

Por vs Para 1. No lo vas a creer, pero ellos se pelearon ——— algo. 2. Yo podia contar con ella—-----— todo, pero ahora es muy egoista.

94. ## Maths

Greg and Martin's age when added together come to a total of 60 years. Now Greg is twice as old as Martin was when Greg was half as old as Martin will be when Martin is five times as old as Greg was when Greg was five times as old as Martin. With all this

95. ## Computer Harware

You have a single hard drive on your computer that contains two NTFS partitions. Your computer's operating system alerts you that the C partition is running out of room. Your E partition still has 75 gig of free space. What is the least intrusive way to

96. ## Algebra 2 ..

What is the domain and range? f(x)=3^x-4

97. ## Physics

Three resistors 2.5 Ù, 3.5 Ù and 4 Ù are connected in parallel. What is the equivalent resistance? I know you must use 1/Req = 1/R1 + 1/R2 + 1/R3 But then I get .935 and I don't think that's correct. What am I missing? Thanks

98. ## Composite Functions

Find the composite functions for the given functions. (6 marks) f(x) = 4x + 1 and g(x) = x2 f(x) = sin x and g(x) = x2 - x + 1 f(x) = 10x and g(x) = log x

99. ## statistics

Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate. My question: What holding group constant

100. ## physics

Lauren is pedaling down a steep hill on her bicycle and wants to be able to coast up the next hill, which is 25 meters high, without pedaling up the hill at all. What would her speed at the bottom need to be? 50 m/s 71 m/s 7.1 m/s 240 m/s

101. ## Calculus

Which of the following is the Taylor series of ln(1−2x) about x=0 up to and including the terms of order three?

102. ## Physics

Calculate the height of the brain above the heart for an animal with an additional blood pressure of 222 mmHg in the heart. Use ρ = 1.055 g/cm3 for the density of blood.

103. ## Physics

A diver thinks that if a typical snorkel tube of 0.13 m length works, then a tube of length 6.2 m should also work. When trying to use such a tube, what is the pressure difference between the external pressure on the diver's chest and the air pressure in

104. ## Physics

Exerting a force of 88 N on the circular piston of a syringe causes a pressure increase in the barrel of 1.3 atm. What is the diameter of the piston?

105. ## IT/210

I am in week 3 in IT/2101 and I just need some help understanding how to format designing a program. I need more assistance.

106. ## Math quick question

"If f = {(-2,-1), (-1,2), (0,6), (1,3), (2,-1), (3,-5), (4,0), (5,8)} and g = {(-2,6), (-1,5), (0,-8), (1,3), (2,9), (3,9), (4,0), (5,-2)}, then find f composite g and g composite f."

107. ## Thurgood Marshall

give me an the expression that is equivalent to 1(7x)−52

108. ## geometry

A survey of 500 showed the following 15 had only camping 20 had only hiking trails 35 had only picnicking 185 had camping 140 had camping and hiking trails 125 had camping and picnicking 210 had hiking trails Determine the number of parks that had at least

109. ## Chemistry

When n=3, the possible values of l are: 5, 4, 3, 2, 1, and/or 0? How do you know?

3v-4

111. ## physical education

what is a literature review?

130. ## statistics

In a local marathon, Bob finished 60th out of 400 participants. What is his percentile ranking for this race?

131. ## math arithmetic order of operations

(6.7 × 10-1) - (3.6 × 10-4

Locate the topic of each paragraph. Remember to ask the question. Who or what the paragraph is about? Tickets for athletic events and musical concerts sometimes get resold for much greater amounts than the original price—a market transaction known as

133. ## math

a sentence with these letter D M S C B C

134. ## Algebra 1

What is the domain and range of f(x)=3^x-4?

135. ## Chemistry

Please can someone help me to explain or find me some material where i can study related to these 2 questions: 1.Analyse the spectrum of 1-methylstyrene. 2.Explain the formation of gaseous and solid state PCl5 from its IR and Raman spectra.

136. ## Math

60% of candidates who took an examination passed .if 10 of the candidates are selected at random find correct to 3 significant figures the probability that exactly 4 passed

137. ## math

3.2/0.2 = x/6.4

138. ## physics

A lizard of mass 3.0 g is warming itself in the bright sunlight. It casts a shadow of 1.6 cm^2 on a piece of paper help perpendicularly to the Sun’s rays. The intensity of sunlight at the Earth is 1.4 x 10^3 W/m^2, but only half of this energy penetrates

139. ## math

The horizontal distance between the town of Sko (elevation 40 m) and a hut (elevation 943 m),a resting place for hikers, is 6.68 miles. If a hiker traveled in a straight line from Sko to the hut, the average include would be ___ percent.

140. ## math

Explain how to estimate, and then find 6 5/8 / 1 1/5.

141. ## chemistry

Explain the effect of chlorine (cl) in aromatic ring

142. ## Chemistry

if the H+ in acid mine drainage is 6.3 x 10^-5 mol/L, the pH of the drainage water is ___. It would require ___ gal of 0.1 M Ca(OH)2 (2 is a subscrip) to neutralize the proton acidity in 1000 gal of such drainage water.

143. ## ENGLISH

3. Which of the following is a complex sentence that contains a dependent adverbial clause? A. Mark expects the photo to arrive late. B. Mark expects the photo to arrive in damaged condition. C. Mark expects the photo to arrive when the letter arrives. D.

144. ## Math - logs

the log(10^ -1)of 3.66 = of 9.86 = of -2.8 = thank you

145. ## Science - chemistry

A 100 lb bag of fertizer with an analysis of 6-12-24 would provide ___ lbs of P.

146. ## math standard deviation

Calculate the standard deviation for the following yields of corn: 142, 161, 132, 143, 147, 145, 146, and 152 bu/ac. Are all yields obtained within one standard deviation of the mean?

147. ## math question

I help finding an online calactor that will help me answer the following 3cubed outside then 2x+17= 4(inside a square)I think it called radical.

148. ## Math

Use the method of elimination to solve the following system of equations. You must check your answer: 1)x/2 + y/5 = 1/2 2) 3x - y = -8

149. ## Chemistry

The dissolved Ca++ concentration in a river is approximately 30 mg/L. This concentration is equivalent to ___ ppm or ___ mol/L, or ___ cmol/L. It would provide ___ cmolc+/L. (c+ is a subscript)

150. ## Fluids

Calcu[ate the weight of a body in lb if it has a kinetic energy of 38.6 ft-Ib when moving at 19.5 mi/h

151. ## algebra 1

clear definition of important terms for substution and and example problem?