# Questions Asked onFebruary 9, 2010

1. ## Chemistry

When copper wire is placed into a silver nitrate solution, silver crystals and copper(II) nitrate solution form. Write the balanced chemical equation for the reaction. (Type your answer using the format CH4 for CH4.) 1 Cu(s) + 2AgNO3(aq = 2Ag(s) +

2. ## Chemistry

To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) -> 4 NaAu(CN)2(aq) + 4 NaOH(aq)

3. ## statistics

The tourist industry is subject to enormous seasonal variation. A hotel in North Queensland has recorded its occupancy rate for each quarter during the past 5 years. These data are shown in the accompanying table. Table 1: Occupancy rate Year 2004 2005

4. ## math

Graph the equation in the rectangular coordinate system. -5y = -40 How should the line be going?

5. ## English

I really need your help to rephrase the poem "Preludes" by T.S.Eliot. I don't need an intepretation of the poem, though. I)The winter evening settles down With smell of steaks in passageways. Six o'clock. The burnt-out ends of smoky days. And now a gusty

6. ## physics

A 200-m-wide river flows due east at a uniform speed of 2.0 m/s. A boat with a speed of 8.0 m/s relative to the water leaves the south bank pointed in a direction west of north. What are the (a) magnitude and (b) direction of the boat’s velocity relative

7. ## Finance

a car sells for \$25000. if the rate depreciation is 15% what is the value of the car after 7 years

8. ## chemistry

The reaction of aqueous barium bromide and aqueous lithium carbonate is represented by the balanced net ionic equation. Ba2+(aq) + CO32-(aq) → BaCO3(s) Give the balanced formula equation for the reaction. Include the states.

9. ## physics

A boat is traveling upstream in the positive direction of an x axis at 14 km/h with respect to the water of a river. The water is flowing at 9.0 km/h with respect to the ground (parallel to the boat). What are the (a) magnitude and (b) direction of the

10. ## chemistry

When surface water dissolves carbon dioxide, carbonic acid (H2CO3) is formed. When the water moves underground through limestone formations, the limestone dissolves and caves are sometimes produced. CaCO3(s) + H2CO3(aq) Ca(HCO3)2(aq) What mass of limestone

11. ## algebra

a car sells for \$25000. if the rate depreciation is 15% what is the value of the car after 7 years

12. ## Chemistry

To extract gold from its ore, the ore is treated with sodium cyanide solution in the presence of oxygen and water. 4 Au(s) + 8 NaCN(aq) + O2(g) + 2 H2O(l) 4 NaAu(CN)2(aq) + 4 NaOH(aq) Determine the mass of gold that can be extracted if 27.4 g sodium

13. ## Math

In the diagram below of triangle ACD, E is a point on line AD and B is a point on line AC, such that line EB is parallel to line DC. If AE = 3, ED = 6, and DC = 15, find the length of line EB.

14. ## statistics

Refer to the following table which contains the sales (in \$,000) for a department store for the first ten months of the year. Month Sales January 440 February 480 March 590 April 400 May 500 June 550 July 470 August 500 September 600 October 520 Using a

15. ## st petes, math

ABC x 3 = BBB

16. ## chemistry

A 0.750 g sample of an unknown substance is dissolved in 20.0 g of benzene, C6H6. The freezing point of the solution is 4.53 oC. Calculate the molar mass of the substance. The normal freezing point for benzene is 5.53 oC and Kf is 5.12 oC/m.

17. ## Univ Physics-resistance

A hollow cylindrical resistor with inner radius r1 and outer radius r2, and length l, is made of a material whose resistivity is rho. A.Find the resistance for current that flows radially outward. Divide the resistor into concentric cylindrical shells and

18. ## chemistry

A 0.750 g sample of an unknown substance is dissolved in 20.0 g of benzene, C6H6. The freezing point of the solution is 4.53 oC. Calculate the molar mass of the substance. The normal freezing point for benzene is 5.53 oC and Kf is 5.12 oC/m.

19. ## finance

a car sells for \$25000. if the rate depreciation is 15% what is the value of the car after 7 years

20. ## math :(

Last year you mowed grass and shoveled snow for 10 households. You earned \$200 per household mowing for the entire season & \$180 per household for shoveling the entire season. If you earned a total of \$1880 last year, how many households did you mow and

21. ## Chemistry

A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution?

22. ## physics

Two long straight wires are parallel and 9.0 cm apart. They are to carry equal currents such that the magnetic field at a point halfway between them has magnitude 320 µT. (a) Should the currents be in the same or opposite directions? opposite (b) How much

23. ## calculus

Deternime the instantaneous rate of change at x=2 for: y=x-2x^3

24. ## CHM

From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.

25. ## Physics

A sprinter starts from rest and reaches his top speed in 4 seconds running with a constant acceleration. He then maintains that top speed and finishes the 100 m in the overall time of 10 seconds. What is his acceleration?

26. ## Chemistry

An element has ccp packing with a face-centered cubic unit cell. Its density is 12400 kg/m3 and the unit cell volume is 5.50 x 10-29 m3. Calculate the molar mass (g/mol) of the element to three significant figures. Please explain how you come to the

27. ## chemistry

The reaction 2NOCl(g) ¨ 2NO(g) + Cl2 (g) has an activation energy of 100.0 kJ/mol and a rate constant at 350.0 K of 8.5 x 10-6 mol-1 L s-1. Determine the rate constant at 400 K.

28. ## statistics

The manager of a service station is in the process of analyzing the number of times car owners change the oil in their cars. She believes that the average motorist changes his or her car's oil less frequently than recommended by the owner's manual (two

29. ## chemistry

A solution is prepared by dissolving 49.0 g of glucose (C6H12O6) in 225.0 g of water. The density of the resulting solution is 1.23 g/mL. Determine the osmotic pressure (in Pa) of this solution at 25.0 oC.

30. ## statistics

The data below represents the amount of grams of carbohydrates in a sample serving of breakfast cereal. 10 18 24 30 19 22 24 20 18 25 20 22 19 The variance for this data would be __________ grams.

31. ## Chemistry

Please help !!!! In addition to the main product what are two side reactions that could occur in the experiment of The Diels-Alder Reaction of Cyclopentadiene with Maleic Anhydride. Thanks

32. ## Chemistry

Please help !!!! Is anyone know what are two side reactions that could occur in the Diels-Alder Reaction of Cyclopentadiene with Maleic Anhydride in addition to the main product? Thanks

33. ## math

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)^2 Problem #2 i^3 - i^2

34. ## Chemistry

From the following: 1) pure water 2) 0.01 m solution of table sugar (C12H22O11) 3) 0.01 m solution of NaCl 4) 0.01 m solution of CaCl2 Choose the one with the largest van't Hoff factor and hence the lowest freezing point.

35. ## accounting

What items appear in financial statements of merchandising companies that do not appear in the financial statements of service companies? Why is there a difference?

36. ## chemistry

A 6.00 M H2SO4 solution has d = 1.34 g/mL. What is the mass percent of H2SO4 in this solution?

37. ## Chemistry

The reaction between solid sodium and iron(III) oxide is one in a series of reactions that inflates an automobile airbag. 6 Na(s) + Fe2O3(s) 3 Na2O(s) + 2 Fe(s) If 171.0 g Na and 213.5 g Fe2O3 are used in this reaction, what is the mass of excess reactant

38. ## chemistry

A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution

39. ## physics

A fireman 46.0 m away from a burning building directs a stream of water from a ground-level fire hose at an angle of 30.0° above the horizontal. If the speed of the stream as it leaves the hose is 40.0 m/s, at what height will the stream of water strike

40. ## Chemistry

A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a density of 1.14 g/mL. Calculate the percent mass of urea in this solution

41. ## College Math : Linear Algebra

Suppose A is a square matrix satisfying the equation A^3 - 2I = 0. Prove that A and (A - I) respectively are invertible. (the hint is to find an explicit equation for A^-1. To prove A is invertible, this is what I did although I don't that it's right: A^3

42. ## MATHS

A woman had \$200. she went to the meatshop, a drug store and a book store. she spent four(4) times as much money in the meatshop as in the drug store. she spent \$15 less at the book store than at the drug store she then had \$5.00 left. USING X to represent

43. ## Physics

Does the medium in which a wave travels move along with the wave itself. I think the answer is no, but why?

44. ## Geography

i need to create a policy to use in a theme park to reduce reuse and recycle waste. i thought about to reduce the packaging in food items bought in the theme park ,to reuse the waste to make items to sell in the theme park shops to make notepads and

45. ## measurements

The great pyramid of Giza was built around 2560 BC. It was originally 481ft high with a square base measuring 751 ft on each side. It's slant height was 611 ft. Find the lateral surface area of the great pyramid, round your answer to the four-significant

46. ## ALGEBRA

Perform the indicated operations and write the answer in the form a + bi, where a and b are real numbers. Problem #1 (3+2i)squared Problem #2 icubed-isquared

47. ## chemistry

When surface water dissolves carbon dioxide, carbonic acid (H2CO3) is formed. When the water moves underground through limestone formations, the limestone dissolves and caves are sometimes produced. CaCO3(s) + H2CO3(aq) Ca(HCO3)2(aq) What mass of limestone

48. ## physics

A brick is thrown upward from the top of a building at an angle of 10° to the horizontal and with an initial speed of 11 m/s. If the brick is in flight for 2.8 s, how tall is the building?

49. ## Finance

If you invest 30% of your funds in Lucent stock, with an expected rate of return of 10%, and the remainder in GM stock, with an expected rate of return of 15%, the expected return on your portfolio is

50. ## Trig

How do I simplify this? cos4xcos3x-sin4xcos3x I pulled the cos3x out as a common factor but that doesn't really help. Can someone please direct me on this. Thanks!

51. ## science

a man of mass 80kg standing on a stationary frictionless trolley of mass 60kg has in his hands a parcel of mass 10 kg.He throws the parcel horizontally from the rear of the trolley at 4 m.s-1 in relation to the ground. 2.1 what is the total momentum of the

52. ## Chemistry

Please heellppppppppp!!!! How do you expect the following series of compounds to compare in behavior in the two tests?(Sn1/Sn2 reaction) CH3-CH=CH-CH2-Br CH3-C=CH-CH3 ! Br CH3-CH2-CH2-CH2-Br Please help me answer this question, I really don't understand

53. ## statistics

In a local cellular phone area, company A accounts for 70% of the cellular phone market, while company B accounts for the remaining 30% of the market. Of the cellular calls made with company A 2% of the calls will have some sort of interference, while 3%

54. ## chemistry

An element has hcp packing with a hexagonal unit cell. Its density is 21000 kg/m3 and the unit cell volume is 2.94 x 10-23 mL. Calculate the molar mass (g/mol) of the element to three significant figures.

55. ## Chemistry

Write an equation to show the dissolving of the following substance in water. (NH4)2SO4(s) NH42SO4 + H2O -> 2NH4 + SO4 + H^+ + OH-?

56. ## chemistry

Complete and balance the chemical equation using compound formulas. Include the states. If there is no reaction, enter NR. Pb(NO3)2(aq) + NaI(aq) → sine Pb is not reactive, the reaction is NR. Am i correct?

57. ## base 10 notation

what is base ten notation

58. ## Physics

At an antique car rally, a Stanley Steamer automobile travels north at 38 km/h and a Pierce Arrow automobile travels east at 51 km/h. Relative to an observer riding in the Stanley Steamer, what are the x- and y-components of the velocity of the Pierce

59. ## healtheir life style amongst the poor

one of the things it intends to do,is to impose a ceiling on the price of milk

60. ## Maths

The three angles of a triangle are (x-25) degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.

61. ## French

Could you please check these thanks. Part 1 Directions: Choose the right word with the right statement. Word Bank A. donner B. téléphoner C. mettre D. décrocher E. commposer 1. ------ le numéro Answer: E 2. ----- le téléphoner Answer: D 3. ------- un

62. ## Pre Cal---Fix to the question below

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 4pi = ( , ) sin(4pi) = cos(4pi) = tan(pi) =

63. ## chemistry

elemental sulfur can bea formed through the combustion of hydrogen sulfide (found in methane gas) carve in equation; H2 S +O2----S + H2 4 tell how much sulfur is made from 250 grams of methane

64. ## french

unscramble letters to create a french word: sforpti

65. ## Chemistry

The element palladium has ccp packing with a face-centered cubic unit cell. The density of Pd is 12 g/cm3. Calculate the volume (L) of the unit cell of Pd.

66. ## chemistry

When surface water dissolves carbon dioxide, carbonic acid (H2CO3) is formed. When the water moves underground through limestone formations, the limestone dissolves and caves are sometimes produced. CaCO3(s) + H2CO3(aq) Ca(HCO3)2(aq) What mass of limestone

67. ## Ap Gov

Where in the constitution can i find the margin required to elevate a presidents nominee to a seat on the court?

68. ## English

This is the second and last stanza of the poem "Preludes" I need to rephrase. Thank you very much for your help. The morning comes to consciousness Of faint stale smells of beer From the sawdust-trampled street With all its muddy feet that press To early

69. ## Pre Cal

Let P be the point on the unit circle U that corresponds to t. Find the coordinates of P and the exact values of the trigonometric functions of t, whenever possible. (If there is no solution, enter NO SOLUTION.) 4ð = ( , ) sin(4ð) = cos(4ð) = tan(4ð) =

70. ## statistics

An insurance company wishes to examine the relationship between income (in \$,000) and the amount of life insurance (in \$,000) held by families. The company drew a simple random sample of families and obtained the following results: Family(Income)(Amount of

71. ## Calculus

Could someone please help me with these questions;I was having trouble with these four questions. Evaluate each limit, if it exists, using any appropriate technique. 1.) The limit as u approaches 4; u^2-16/u^3-64 2.) The limit as x approaches 1; x^3+

72. ## Math (repost, URGENT)

A curve is traced by a point P(x,y) which moves such that its distance from the point A(-1,1) is three times the distance from the point B(2,-1). Find the equation of the curve and identity.

73. ## L.A

In each sentence, if the italicized verb does not agree with the subject, circle the verb and write it correct form. I will capitalize the verb since I don't know how to italicized. 1.Big Ma and Cassie SHARES the same bedroom. How would I solve this?

74. ## College Math

I need help with finding the slope and th y-intercept: 3y-2x=5+9y-6x

75. ## English

Put the words in correct sentence order. If necessary, change the form of the simple verb in boldface. Be sure to begin each sentence with a capital letter. Pay attention to the final punctuation. 1)be we library the in. 2at college be she the? 3)be no,

76. ## Physics

A 0.0160-kg bullet traveling horizontally at 396 m/s strikes a 3.95-kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.06 m, how far from the table does the block hit the floor? -- First I used

77. ## Algebra 2

Identify the holes, vertical asymptotes, x-intercepts, horizontal asymptote, domain, and range of: x^2-2x-8 f(x)= --------- -2x+2 Please explain how you got all of this info.

78. ## physics

Calculate the net charge on a substance con- sisting of a combination of 6.5 × 1013 protons and 2.0 × 1013 electrons. Answer in units of C.

79. ## Math

In the diagram below of triangle TEM, medians line TB, line EC and line MA intersect at A, and TB = 9. Find the length of TD.

80. ## chemistry

A 1.994 g sample of gypsum, a hydrated salt of calcium sulfate, CaSO4, is heated at a temp. above 170 C in a crucible until a constant mass is reached. The mass of anhydrous CaSO4 is 1.577g. what is percent by mas of water in the hydrated calcium sulfate

81. ## chem

Elemental Sulfur can be formed through the combustion of Hydrogen Sulfide (found in Methane gas) give in equation H2 S +O--->S + H2 4 tell how much sulfur is made from 250 grams of methane

82. ## chem

Elemental Sulfur can be formed through the combustion of Hydrogen Sulfide (found in Methane gas) give in equation H2S+O--->S + H2 4 tell how much sulfur is made from 250 grams of methane 2 H2S + O2---->2S +2 H2O s=32

83. ## Math

For the given functions, write the rational function, r(x) = [f(x-h)-f(x)]/h and simplify: a. F(x) = 2x+3 b. F(x) = 1/(x+1) c. F(x) = x^2 --- Just need to know that the rational function is and maybe I can do the questions. Thanks.

84. ## algebra

How do I perform an indicated operation and reduce to lowest terms? The problem is (-12b^3)^2

1) initial investment = \$600 annual % rate = ? time to double = ? amount after 10 years = \$19,205.00 19,205 = 600e^(10r) I do not know how to solve for r of find the time to double.

1) The number of bacteria N in a culture is given by N=250e^kt where t is the time in hours. If N = 280 when t=10 estimate the time required for the population to double in size. 280 = 250e^10k divide by 250 1.12 = e^10k ln 1.12 / 10 = .011 K = 0.11 Now I

87. ## chemistry

name and give the molecular formula for the alkane with a molar mass of 44 g/mol?

88. ## climate

if climate gets warmer what will happen to growing season of crops? what effect could that change have on food supplies?

89. ## Calculus

What's the derivative of x^2(1- x/6)?

90. ## Marketing

How can the lack of a physical good in a pure service affect efforts to promote the service?

91. ## Calculus

Find f'(c) if f(x)=-3e^(x+2)+ e^(-5) [NOTE:A small algebraic manipulation is needed first to get f(x) into a form so that the derivative can be taken and your answer isn't a # but rather a formula that returns and answer.] attempt at the problem:

92. ## accounting

Ed O'Connor Associates reported short-termed notes payable as follows: 2012 2011 current liabilities (partial) short-term n/p \$16,700 \$15,500 salary payable 3,800 3,200 During 2012 O'Connor paid off both current liabilities that were left over from 2011.

93. ## chemistry

Determine the osmotic pressure (in psi) , at 75.0o F, of an aqueous solution that is 2.60 % sodium sulfate by mass

is 10L >,< or = to 1,000ml?

95. ## spell

whirlwind:breeze::downpour and what goes next anology

96. ## Organic Chemistry

What is the chemical name for C7H13O?

97. ## Stats

The probabilty Distribution of a random variable X is given by the function f(x)= 1/84 (5/x) (4/3-x) for x= 0,1,2,3 Calculate the numerical probabilities and list the distribution. I got 10/21 for the x value of 2. The others I am unsure about! Help please

98. ## chemistry

calculate the number of grams of co2 that can be absorbed by complete reaction with a solution that contains 5.00 g of sodium hydroxide

99. ## Probability

Assume that each month the average Canadian household generates an average of 13kg of newspaper for garbage or recycling with a standard deviation of 1kg. What is the probability that a randomly selected household generates between 12 and 15 kg of

100. ## Statistics

The diameters of a wooden dowel produced by a new machine are normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of the dowels will have a diameter greater than 0.57?

101. ## Science

Which changes temperature more rapidly, land or water?

102. ## french

how would i use "battre" in a sentence. does it mean to fight with someone- so you would use it with avec or does it meanlike someone beat a disease?

103. ## physics

A tennis player standing 11.0 m from the net hits the ball at 3.34° above the horizontal. To clear the net, the ball must rise at least 0.320 m. If the ball just clears the net at the apex of its trajectory, how fast was the ball moving when it left the

104. ## Math

What are the points of discontinuity (if any) in the following function? y=(2x-1)^(1/3) Thanks

105. ## Algebra

What is the difference between and equation and an expression? Include an example of each. Can you solve for a variable expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase of sentence that can be

106. ## MATHS

A store clerk sold 25 maths books and 10 english books for \$855.00 .if she sold 10 maths books and 40 English books, she would have got \$135 more. calculate the cost of each book.

107. ## math

the product of 2 numbers is 9. The quotient of the numbers is 1. What are the numbers.

108. ## AED

What are the fundamental differences between Western philosophies and Eastern ways of knowing? (Generally, how does each culture view the world and education?) How can you incorporate seemingly different ways of knowing in your curriculum? When responding

109. ## psychology

In what ways does diversity make conflict into a positive result? How can the appreciation and encouragement of people to be themselves and share their thoughts result in cohesiveness and effectiveness

110. ## mathes

what is 6 greater than 8 plus 2

111. ## French

does "rester debout" mean to remain standing? if so, could i say I was very embarrassed because i remained standing while the rest of the class sat down : j'ai été très gêné parce que tout le monde dans la classe s'est assis mais je suis resté debout

112. ## Math

If I got an income tax refund of \$650 and invest the money in an account that pays 8% interest, compounded quarterly, how much will I have at the end of 10 years?

113. ## Math

Four students fall asleep during class and, while asleep, the professor rearranges their notebooks so that when they wake up, nobody has his or her own notebook. In how many ways could the professor have rearranged the notebooks?

114. ## MATHS

The three Angles of a triangle are (x-25)degrees, (2x+40)degrees and 30 degrees. find the magnitude of each angle.

115. ## calculus

Find a function f(x) = a + b sqrt(x) that is tangent to the line 2y - 3x = 5 at the point (1,4) AND Find a function of the form f(x)=c+dcoskx that is tangent to the line y=1 at the point (0,1) and tangent to the line y=x+(3/2) - (pi/4) at the point

116. ## Physics

At t=0 car A and truck B are 350 m apart on a straight road. Starting from rest car A speeds up with a constant acceleration of 10 m/s^2. Truck B is travelling in the opposite direction with a constant speed of 15 m/s. How far away is car A from its

117. ## espaÃ±ol

el guion teatral para que sirve

118. ## sci 230

Parenting Styles and Development

119. ## human services

describing the function and importance of the four external and six internal considerations for developing an integrated information management system for a human service organization.

120. ## science

Why do chamelions change their color?

121. ## accounting

Jesse, Inc., located in Mesa, Arizona, manufactures high-end baby chairs. The firm’s cost accountant, Lisa, has been assigned by the CEO to determine how many baby chairs Jesse, Inc., needs to make and sell in order to break even. She is given the

122. ## math

Decide whether the relation is a function or not {(-4, -8), (-1, 2), (2, -2), (6, 1)}

123. ## Chemistry

Can anyone please tell me what can you say about the purity of the compound extracted based on your TLC results? Thanks

124. ## English

Can you please check the following sentences for me? 1)The mirror compares itsself to a lake. A woman bends over it so see what she is really like. The mirror is important to her.She is addicted (?) to it to the point that she's searching for what she

125. ## math

An item costs \$39.95. Add 7% to the price for tax. Then add \$5 for shipping and handling. Write an expression using these numbers that indicates the total cost. Please help me! Thanks!

126. ## "Math"

A jewelry store wishes to rpice a watch that costs \$65 to yield a gross profit (mark-up) of 52% of thier costs. Find the selling price?

127. ## Physics

How can i find the averagee veloity and speed for a postion time graph

128. ## math

How can i find the average Velocity and speed for a position time graph*

129. ## French

How would you ask a friend if he wants to play video games? I was thinking, Est-ce que tu fais jouez aux jeux vidéo? But I wasn't sure?

what is the difference between the uk, England,Great Britain and the British Isles?

Explain which moral philosophy is best suited for making business and why

132. ## Math - Metrics

is 4m >, < or = to 400dm?

133. ## Childcare

I have nearly completed my Child Day Care Management. They give me a project sheet Competency Goals I II II, etc. the first Goal is about to establish and maintain a safe, healthy learning environment. Please just I want a example, is like a essay? Thank

i have a lab where we used VI method to calculate resistance of a LARGE resistor... circuit is as follows..(--- indicates wire) source---ammeter---resistor(voltmeter connected in parralel to resistor)---(connected back to source) the R value calculated was

135. ## Maths

The sides of a triangle are xcm and 5cm. The perimeter is 29cm, evaluate the value of x?

136. ## math

make up a set of twelve numbers that have the folling landmarks min 2 max 11 median 6 mode 6

137. ## Managerial Economics

Can someone explain what is a cubic cost function? I'm taking a managerial economics course, but I've never taken any algebra or calculus; so I'm struggling. I'd like to grasp the purpose of what it is and then try to figure out how to do it. thanks!

138. ## DONGO

Thankyou so much for your help. your ideas sound great and are alot better than mine thanks again...:)

139. ## algebra

how do you figure out 3y-1=13-4y?

140. ## math

Four students fall asleep during class and, while asleep, the professor rearranges their notebooks so that when they wake up, nobody has his or her own notebook. In how many ways could the professor have rearranged the notebooks? 4 6 9 24 Explain

141. ## long-term

What other challenges do case workers face when working with placement of the elderly in long-term care facilities?

142. ## english/analogies

beautiful:pretty::obliterate: conduct:deportment::disorder: genus:kind:: model: week:fornight::monogamy: same:unique::debtor: glasses:spectacles::separate: suit:clothing::degree:

143. ## Bus

I am trying to find useful informations on "whether its a good idea to open a Pizza Hut business in Winnipeg?" Can you help me find websites. I really need it for my case study where i have to research and write 2 page, but i cant seem to find any suitable

144. ## m

Two (2) Buckets were bought for X dollars each (\$X) and a third bucket is bought for \$less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less

145. ## Human Resource

Submit the employment position for your final project to your instructor for approval. Describe in one or two sentences how you will access job analysis and job description information for your selected position.

146. ## math

Estimate the instantaneous rate of change for x=2 for y=x y=x^2 y=7

147. ## gr. 10 physics

I must find the speed of an object, the infermation that is given to me is:n height: 0.10 kinetic energy: 0.50 time travel o.72 (m/s squared). i belive that speed = 0.3... is this correct?

148. ## algebra

write a polynomial that expresses the area of a rectangle whose length is 3 feet more than twice the width

149. ## math-functions starting

-3f(x-4)=x^2 i have no clue what to do with the -3 in front of the f. please explain step by step as to how to do this question the answer in the back is -3x^2+24x-48

Hi! I am in a NROTC Navigation class and I am having trouble finding the deviation when converting compass readings to true degrees...idk if anyone can help me...thought I would ask..Thanks

151. ## statistics

International Pictures is trying to decide how to distribute its new movie ‘Claws’. ‘Claws’ is the story of an animal husbandry experiment at the University of Southern Queensland that goes astray, with tragic results. An effort to breed meatier

152. ## English

Is it "works well with others" or "work well with other"?

153. ## College Math

Determine whether the given point is a solution of the equation: 3x+y=7: (4, -5)

154. ## French

How would you ask a friend if he wants to play video games? I was thinking, Est-ce que tu fais jouez aux jeux vidéo? But I wasn't sure?

155. ## 5th grade language arts

could someone give me some examples of entertaining sentences?

156. ## literature

In book 12 of the Odysseyy..Do you agree with Homer that the reason why Odysseus's crew dies was because of their own recklessness? Why or why not?

157. ## chemistry

an aqueous solution is formed b adding 50.1 g sucrose to 200.0g water. what is boilin point in degrees celcius of sgar soulution.

158. ## math

Estimate the instantaneous rate of change for x=2 for y=x y=x^2 y=7

159. ## psy 307

How can the appreciation and encouragement of people to be themselves and share their thoughts result in cohesiveness and effectiveness

161. ## English

to Steve go City College. Steve goes to city college.is that right?

162. ## marketing

what types of sales promotion techniques would you recommend for the following business and why ? BMW dealership

163. ## social studies

My question is about the American Indians and the Europeans. They signed treaties, forcing people off other people's land, and having wars. My question is.....Can you give me ideas about a question i could ask about this?

164. ## science

how quickly -years- can new plants and animals inhabit an area that undergoes a temperature or precipitation change?

165. ## Maths

The length of a rectangle is 5cm more than its width, if the perimeter is 58 cm, calculate its width

166. ## pre calc

how do i tackle this problem?!? cosx=sinx*cotx

167. ## maths

I've to create a scatter plot using the following coordinates: (0,15.0), (1000,13.0), (2000,11.0), (3000,9.1) and (4000,7.1) using these points i have to find a prediction equation. thus, i used the points (1000,13.0) and (3000,9.1) the equation i found

168. ## Com 150

I am writing an essay on Education. As why schools close. I have alot of information I just need to know exactly where I found it. I have to make a reference page and I am not sure how to do it. The sites that I have found really do not give me enought

169. ## statistics

In a local cellular phone area

what is gasoline?

171. ## Grammar

I have to answer these questions and tell why I picked that answer. I have the answers I just need to know why I picked the answers. Most of them I picked due to they sounded right. Can anyone help me as if they are right and why. Read the following

what is the inverse function of g(x)= 3x+2?

173. ## physics

A car drove off a cliff. The cliff was 8 ft high and the car landed 45 ft away from the edge of the cliff. What was the speed when the car left the cliff?

174. ## CRT 205

How does thinking critically influence the ways you read, write and process information?

176. ## MATHS

Two (2) Buckets were bought for X dollars each (\$X) and a third bucket is bought for \$less than twice the price of the first two buckets. (a) Write down an expression for the total cost of the three buckets (b) If the total cost of the buckets was less

177. ## rounding

Is 51 divided by 13 3.9 or 3.92 when rounding for dollars as in giving pay increases.

178. ## Basic math

Is 51 divided by 13 3.9 or 3.92 when rounding for dollars as in giving pay increases. Do you take the highest amount?

179. ## College Algebra

Express as an equivalent expression, using the individual logarithms of w,x,y and z. log a (xy^2z-3)

180. ## spanish

can you tell me where i can find information and video about Argentina ?

181. ## English

This is a paragraph on my best childhood friend and if you could edit this, I'll be very happy, thanks :-) My best friend during childhood was Kayla. We met eachother in grade 3 and started hanging out. She was always supportive, and happy. We did

182. ## spelling

What are the syns for these 10 words Crastal Blossom Eastern Western Northern Southern Concert Survive Current Govern

183. ## HIS

WHAT IS THE SIGNIFICANCE OF THE WESTERN EXPANSION?

184. ## geometry

X lies in the interior of

185. ## "Math"

Burley Sports retails regualr helmets for \$80. Burley obtains thises from the factory at \$55. Overhead expenses are 20% of the selling price. a) the amount of the mark-up b) the rate of mark-up based on cost c) the rate of mark-up based on selling price d)

186. ## chem

thank you for your help but how would i be able to find that out

187. ## math

Examine three elementary schol textbook and report on how the introduction of the topic of GCD and LCM differ in the diffrent textbooks?

188. ## math

find 3 consecutive integers such that the sum of the twice the first and the third is 748.

189. ## english/analogies

none:universal::credible:

the distance of a region north or south of the equater in degrees is called?

191. ## math

explain how to solve 5/6 > 1/6

192. ## science

three types of conquina sedimentary rocks

193. ## Law 12

I was just curious is touching someone on the chest when someone is yelling at you without consent illegal?

194. ## HELP

How does thinking critically influence thw ways you read, write and process information?

195. ## sicence

how are chemicals and physicals weathering affect

2ft 3 in + 4ft 10 in=

197. ## Ms Sue

thankyou for helping your a star!

198. ## arithmetic

how do you write this as a unit rate 25000/5

199. ## spanish

what dose ke vonitos ajitos tienes te ves guapa mija mean