1. Math

The revenue function for a production by a theater group is R(t)= -50t^2+300t, where t is the ticket price in dollars. The cost function for the production is C(t)= 600-50t. Determine the ticket price that will allow the production to break even.

2. health care

you are a manager of a variable hospital department and you just received your monthly budget results that state that your salaries were higher and your supplies were lower than budgeted. Explain what factors you should consider when writing your variance

3. statistics

Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter.

4. Mamthematics - Vectors

a) If vector u and vector v are non-collinear vectors show that vector u, vector u cross product vector v and (vector u cross product vector v) cross product vector u are mutually othogonal. b) Verify this property using vectors collinear with the unit

5. english

01.Which area of Phonetics deals with manner and place of articulation of sounds? a Acoustic b Morphology c Articulatory d Auditory 02.Select the statement that is incorrect. a Phonology deals with the individual sounds of the language, word and sentence

6. statistics

Consider the data that was obtained from a random sample of 45 credit card accounts. Identify all the averages (mean, median, or mode) that can be used to summarize the outstanding balance on each account. a. mean, median, and mode if it exists b. only

7. Science

Give the conjugate acid of the following bases: a) NH2-, b) CO3 ^2-, c) HS-, d) OH-

8. Mathematics - Dot Product

Consider rhombus ABCD a) Find the resultants of vector AB + vector AD and vector AB - vector AD b) What will the value of (vector AB + vector AD) dot product (vector AB - vector AD) always be? Explain. c) Is the value of (vector AB + vector AD) dot product

9. math

If a ball is thrown vertically upward from the roof of 32 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t)=32+80t–16t2. What is the maximum height the ball reaches? What is the velocity of the ball when it hits the ground

10. Managerial Economics

Q=-5200 - 42P+20Px+5.21+0.20A+0.25M (2.002) (17.5) (6.2) (0.09) (0.21) R2 = 0.55 n=26 F=4.88 P = Price of Product = 500 Px = Price of leading competitor product=600 I = Price per capita = 5,500 A = monthly ependitures = 5000 a = Compute elasticities for

11. Science

The normal melting and boiling point of O2 are -218C and 49.8atm. a)Sketch the phase diagram for O2. b) Which is denser, O2(S) or O2 (l)? explain.

12. English

I can't understand the whole thing that he said. (What is the meaning of the sentence? 1. I can't understand what he said at all. 2. I can't understand some(?) of what he said. 3. I cann understand almost all the things that he said, but not all.)

13. US History

"The Interstate Commerce Act of 1887, establishing the Interstate Commerce Commission (ICC) had been an early effort to regulate the industry; but over the years, the courts had sharply limited its influence." - wiki Would the Interstate Commerce Act of

14. science

Metamorphism increases the _____. a) hardness of rocks b) coloration of rocks c) chemical composition of rocks d) volume of rocks e) porosity of rocks Just need to know if my answer or right or wrong. Thanks! :) a

15. English

Traveling to Paksanghan Waterfall During the summer vacation, I went to Paksanghan Waterfall in the Philippines. I went there by zeepney and by canoe. In front of the waterfall, I took a lot of pictures. It was great fun to bathe in the water under the

16. statistics

The director of the campus-computing center did a study to determine the patterns of student computer usage. He found that 15% of the total student computer hours occurred during the first 5 weeks of the term, 25% during the middle five weeks, and 60%

17. algebra

During a game, a person won 500 points. What is the corresponding number for this sentence?

18. Fiance

If a father wants to have \$100,000 to send a newborn child to college, how much must he invest annually for 18 years if he earns 9 percent on his funds?

how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logic,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)

20. physics

a robot drops a camera off the rim of a 239 m high cliff on Mars, where the free-fall acceleration is 3.7 m/s

21. statistics

what is the most likely answer for the confidence coefficient of linear correlation if x = the number of hours spent studying for a test, and y = the number of points earned on the test?

22. English

1. I have seen the book you were reading. 2. I saw the book you were reading. (What is thedifference between them?)

23. English

* Has anyone seen the book I was reading? (Does thes sentence above mean #1 or #2?) 1. Has anyone seen before the book I was reading? 2. Has anyone seen the book I was reading? And does he know where the book is?

24. college

a light bulb manufacture claims that the mean life of a certain type of light bulb is more than 750 hours

25. statistics

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

26. science

The thin, outer layer of the earth's surface is its_____. a) skin b)crust c) core d) soil e) surface Just need to know if my answer or right or wrong. Thanks! :) b

27. CHEMISTRY> HELP QUICK! pls

A system loses 14.2 kJ of heat while performing 7.2kJ of work on the surroundings. If the initial internal energy, E, is 77.6 kJ, what is the final value of E? 56.2 kJ 70.6 kJ 99.0 kJ 84.6 kJ

28. MATH 2B Calculus

Consider the area between the graphs x+4y=14 and x+7=y^2. This area can be computed in two different ways using integrals. First of all it can be computed as a sum of two integrals They ask to use two integrals so i put f(x) from -7 to 2 which is correct

29. statistics

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29 a. 84.20 b. 67.36 c. 101.00 d. 88.84 e. 126.25

30. Algebra

8s+12t=16, 6s+9t=12 solve using the substitution method

31. math

If f(x)=(x^2+3x+4)^2 how do you find the derivative I tried doing 2 (2x+3)..

32. US History

What would be the Square Deal's importance in conveying a major theme of US history at that time? -would it be conservation of natural resources, control of corporations, and consumer protection

33. Science

video clips from the International Space Station, the astronauts are seen floating around as if there is no force of gravity holding them to the floor. The truth is that the space station is orbiting Earth at a height of only about 175 kilometers above the

34. Math

Jack is standing next to a monument in the city square. His shadow is 18 feet long. The shadow of the monument is 150 feet long. If Jack is 6 feet tall, how tall is the monument

35. statistics

Suppose that about 20% of those called will find an excuse (work, poor health, travel out of town, etc.) to avoid jury duty. If 14 people are called for jury duty, what is the probability that all 14 will be available to serve on the jury? Round your

36. college

The CIO of ABC Health Care wants you to develop an organizational chart for the HIM Department. The chart should portray the groups under each unit and any other staff that work within the various departments. Use the ABC Health Care HIM organizational

37. Algebra

Find the vertex, the line of symmetry, the maximum or minimum of the quadratic function, and graph the function. f(x)=x^2-4x-3 What is the vertex? (Type an ordered pair) What is the equation of the line of symmetry? x= What is the maximum/minimum of f(x)?

38. world history

which explains the major social and economic similarities that occurred in the South and the West.

39. Math/Algebra

A student opens a mathematics book to two facing pages. The product of the page number is 420. Find the page numbers. The first page is ____ The second page is ____

40. chemistry

What are the concentrations of all the solute species in a 1.2 M solution of acetic acid, HC2H3O2? (a) [H3O+], M; (b) [OH-], M; (c) [CH3COOH], M; (d) What is the pH of the solution? For CH3COOH, Ka = 1.8 x 10-5

41. math

Find the equation of the tangent line to the curve y=5xcosx at the point (pi,–5pi). The equation of this tangent line can be written in the form y=mx+b where m= and b=

42. English

1. What did you do during the summer vacation? 2. What did you do during summer vacation? (Which one is correct, #1 or #2?)

44. Math

m= 7/8, (7,-8) find an equation of the line having the given slope and containing the point

45. Math

write an equation of the line containing the given points and parallel to the given line (7,8) x + 3y = 7 can some one please help I am very sick an have to have this in by 11:59 tonight thank you in advance.

Kenneth has eight more trading stamps than Helen. If Kenneth gives Helen six of his stamps, Helen will have more. How many more stamps will Helen have than Kenneth?

Solve: -14

48. statistics

the random variable x is normally distributed with a mean of 75 and a standard deviation of 15.0. For this distribution, what is the twenty-third percentile?

49. statistics

without the use of the standard normal tables, should techniques of calculus be used to find the probabilities concerning a normal distribution?

50. English

Many painters in Degas' time thought that they could be better painters by copying famous paintings. [ How do you pronounce "Degas'"? 1. ..z 2. ...ziz 3....(no 's' sound )]

51. college

RNO Company's market for the Model 55 has changed significantly, and RNO has had to drop the price per unit from \$265 to \$125. There are some units in the work in process inventory that have costs of \$150 per unit associated with them. RNO could sell these

how to present math in different angles which represents depth of subject,easiness,empowerment,basics,logic,analyze,view of subject from back,view from front.Give multiple e.g.s .(just 11th & 12th)

53. math

Determine if it is true or false: when the size transformation of a parallelogram is doubled, its area increases 4 times.

54. English

1. Here is a man who wants to see you. 2. Here is a man wants to see you. 3. There are two boys who want to play tennis. 4. There are two boys want to play tennis. (Can we omit 'who' as in #2 and #4? Are they all correct?)

55. US History

corporate trusts is the combination of companies?

56. science

Sedimentary rocks that form from living or once-living material are called____.? a) clastic b) dolomitic c) sandstone d) chemical precipitates e) organic Just need to know if my answer or right or wrong. Thanks! :) e

57. science

A metamorphic rock formed from shale is_____. a) quartzite b) gneiss c) slate d) schist e) marble Just need to know if my answer or right or wrong. Thanks! :) c

58. algebra

solve by elimination 2r-5s =-22 5r+2s = 32

59. algebra

Soybean meal is 12% protein: cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240-lb. mixture that is 8% protein?

60. algebra

Evaluate: p + q _____ 9 p =80 and q =1

61. Geography

I need info on the five themes of geography. Not just two senteces about each theme but 350 words per theme.

62. 415

what is the cultural differences between a team and non-team environment.

63. MAT116

Solve: 0.9x+9

64. disabilities

Does anyone know Asperger's Syndrome very well? I would like to talk to somebody privately about all my problems that RELATE to this disability I have.

65. English

Does that mean you are not happy? - No. 1. No, I am not happy. 2. No, I don't mean I am not happy. (If the other person answers ' No', does 'no' mean #1 or #2?)

66. Math

Find the solution to: Solve: 0.9x+9

67. english

01.Which area of Phonetics deals with manner and place of articulation of sounds? None Acoustic Morphology Articulatory Auditory 02.Select the statement that is incorrect. None Phonology deals with the individual sounds of the language, word and sentence

68. math

Find the solution to: Solve: 0.9x+9

69. college

The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 \$5,250,000 20X2 \$5,500,000 20X3 \$6,000,000 20X4 \$6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages,

70. prealgebra

the value, v, of a shopkeepers inventory software program is given by v= -(1)/(2)t+5 where t is the number of years since the shopkeeper bought the program. What is the program worth 4 years after its first year purchased? Plot the point with the given

71. math

If you want to construct a Star-shaped Polygon with 6 points with point angles of 30o, what should be the dent angle?

72. math/prealgebra

what are the actual definitions to the word algebra itself? algebra? cubed? counter example? function table? function rule? can you help me find these definitions?

73. U.S. military

If anyone remembers the Iraq invasion in March 2003, can you remember why President Bush would attack that country again? I couldn't understand the reasons why.

74. health

the effect of the Patient Self-Determination Act on health care delivery. Consider how you think records management procedures have had to respond to this piece of legislation.

input 1 2 3 4 5 6 7 output1 8 27 please solve this and work it out.

76. physics

a. Calculate the current though the 22 Ω resistor. b. What is the voltage across ab t inypic.c om/view.php?pic=22aipe&s=4

77. algebra

The width of a rectangle is fixed at 30cm. What lengths will make the perimeter grater than 82cm.?

78. us history

compare nixion's policies of engagement with foreign policy strategies used during the cold war

79. HCS/320

How would you compare and contrast various organizations' methodologies for disseminating health information with internal and external organizations? Improvements that could be made and why?

80. math

how do you find the derivative of square root of 5 /t^5

81. Accounting

Larry sells each unit for \$500. Variable costs per unit equal \$300. Totalfixed costs equal \$800,000. Larry is currently sellig 5,000 units per period and would like to earn net income of \$400,00. comput: Break-evn point indollras, sales units necessary to

82. science

A type of igenous rock forming from the cooling of magma within the earth's crust is called_____. intrusive

83. Science

The only force acting on a satellite in its orbit around Earth is the force of gravity from Earth. Why does a satellite not fall down?

x^2-x+5=0

85. US gov

How has the tea party movement affected incumbent Republicans and Democrats in the primary races?

86. Math

write an equation of the line containing the given point perpendicular to the given line (2,9), 4x+y = 6

87. Finance

is the effective interest rate for a discount loan is greater than th stated reat of the intrest

88. Math

I have to make a true statement with this question: {All states west of the Rocky Mountains} {All states west of the Atlantic Ocean} I have to determine if the two statements are: Proper Subset is a subset of is not a subset of proper subset and is a

89. algebra

find the domain of the function g(x)=8/5-7x

90. biology

imagine that you go to a party with a friend who starts drinking achohol. describe, step by step, the effects to that individual as he or she drinks more and more alcohol as the evening progresses and the long term consequences that can result from alcohol

91. algebra

find the indicated outputs for f(x)5^2-4x F(0)= f(-1)= f(2)=

92. math

what are three consecutive nubers whose sum is 90?

93. science

A type of igenous rock forming from the cooling of magma within the earth's crust is called_____. a) intrusive b) sedimentary c) metamorphic d) extrusive e) volcanic a

94. Algebra

Solve by the elimination method: 7r-9s=-35 9r+7s=85

95. Math

find the slope for (-16, -19) and (-18, -20) can some please help me I don't understand how to find the slope for this thank you in advance.

96. math

3x-8/12+x= 3x+8/3+1

However, misfortune and trouble did not stop Ray Charles. Subject=misfortune, trouble Verb= did stop

98. English

Posted by rfvv on Thursday, August 19, 2010 at 5:56am. Life is full of colors. Red is love; 1)It comes from our hearts. Blue is sadness; 2) It falls from our eyes. (In the poem, what does each 'it' refer to?) English - Writeacher, Thursday, August 19, 2010

99. Math

Can I please get someones help: Solve: 0.9x+9

100. math

I need to write the quadratic function in vertex form then identify the vertex. y=x^2-8x+10

101. Algebra1

I was wondering if someone can kind of help me with the following problem: Graph the line containing the given pair of points and find the slope. (5,2),(-4,-5)

102. english

16.A velar consonant is produced when … a the tip of the tongue touches behind the alveolar ridge. b the tip and blade of the tongue touches the hard palate. c the back of the tongue touches the hard palate. d the back of the tongue touches the soft

103. home economics

What are the types of kitchen equipments

104. college

T/F. Indirect costs occur because resources are shared by more than cost object

105. college

How many joint products can come from a set of common inputs?

106. accounting

How many joint products can come from a set of common inputs?

107. accounting

When fixed costs are unitized, they A. may appear to be variable costs. B. may cause managers to make decisions that are not in the best interest of the company as a whole. C. are stated on a per unit basis. D. All of the above are true.

108. math

If the area of the parallelogram ABCD is 4 square feet and 2OPOPŒ=, what is the area of the parallelogram?

109. math

If the area of the parallelogram ABCD is 4 square feet and OP"=5OP, what is the area of the parallelogram A"B"C"D"?

110. math

if BC = 2AB, then compute B'C'/A'B'

111. math

if BC=2, AB=2 and B'C'=4 then compute A'B'

112. math

Determine True or false. The star polygon in the Figure-2 has five vertices.

113. math

f you want a dent angle of 90o how much should be the point angle?

114. 415

How can you encourage/promote and discourage member's acceptance of proposals in the workplace?

o Technology is changing the face of business communications. Do you think businesses effectively use these resources to communicate? Why or why not? Provide examples.

Which statement about conventions is NOT correct?

117. US History~

For the Dollar Diplomacy: Taft I don't get what the key policies would be. It wouldn't be sending US troops to Nicaragua to offer loans? Now, I'm confused all over again. I looked up what policy was: Basic principles by which a government is guided.

What is the product of 23 and -27? -------------------------------------------------------------------------------- -621 -521 521 621

119. science

Molten rock material which forms deep beneath the crust is called_____. a) minerals b) silt c) moho d) sediment e) magma Just need to know if my answer or right or wrong. Thanks! :) e

120. Algebra

-2x+y+3z=7 x+2y+z=4 2x-3y-2z=-10 How do you solve this?

121. science

Dinosaurs all died by the end of the ______Era.

122. com 155

This is what I wrote for my week 6 assignment but I am so confused on adjectives and adverbs as well as superlatives and comparatives. I have to underline adjectives and bold adverbs. Help I just don't seem to be getting the hang of it. Avatar the movie

123. algebra

Translate to an algebraic expression. The product of 44% and some number. Use y to respresent some number. Type the percentage as a decimal.

124. college

identify which would experience a greater change in length, an aluminum rod of lenght 4m that is raised from 5 centimeters to 40 centimeters or an iron rod original lenght 3.5m that is raised from 10 centimeters to 35 centimeters

125. algebra

The product of 21% and some number. Type the percentage as a decimal. Use y to respersent some number.

126. Accounting

Larry sells each unit for \$500. Variable costs per unit equal \$300. Totalfixed costs equal \$800,000. Larry is currently sellig 5,000 units per period and would like to earn net income of \$400,00. comput: Break-evn point indollras, sales units necessary to

127. math

how do can i memorize all that multiplication

128. MAT116

Graph the line containing the given pair of points and find the slope. (5,2),(-4,-5)

129. Com 150

Benefits and Tips for going back to college College in and of itself can be overwhelming, let alone all that goes with being in college. While you are focused on succeeding academically, there are might be many parts of your life that can keep you from

130. math

what is the derivative of f(x)=6sin2x I put 12cosx...

131. math

How do you find the derivative of square root of five /t^5? how do you find the derivative of square root of five /t^5 I know that f=a t^-n f'= -an t^(-n-1) and i tried putting -25/{[2sqrt(5/t^5)]/(t^4)}

132. Chemisty (Sig Figs)

so i am terrible at this. Round each number to 3 significant numbers. Can you explain? 1. 9845.42800 2. 1.548937675e12 3. 10.7771777425 4. 0.000045875 thanks:)

134. Mathematics - Equations of Lines in 3D

a) Determine if the line [x,y,z] = [4,1,-2] +t[3,1,-5] has any x, y, or z-intercepts. b) Under what conditions will a line parallel to [x,y,z] = [4,1,-2] +t[3,1,-5] have only i. an x-intercept ii. a y-intercept iii. a z-intercept c) Under what conditions

135. Algebra

Can someone help me solve this problem: Graph the line containing the given pair of points and find the slope. (5,2),(-4,-5)

His special style and powerful performance have long drawn fans to Kenney's music. Would the subject be style and performance and the verb have drawn

RS=7a,ST=12a,RS=28

138. math

42-6y=0 I need three sets of coordinates and the line must be parallel to the x axis.I think the y has to be 7 but I can not come up with 2 more that the equation help me!!!!!! I already missed three of these type questions.

139. human services

Choose a human services client from a particular background· Describe the clients background, including age, gender, racial or ethnic status · Identify the clients presenting issue · Create a case scenario for this client · Write a 1,000- to 1,250-word