# Questions Asked onJanuary 4, 2012

1. ## financ

All techniques with NPV profile- mutually exclusive projects. Projects A and B, of equal risk. Are alternatives for expanding Rosa Company’s capacity. The firm’s cost of capital is 13%. The cash flows for each project are shown in the following table.

2. ## Chemistry

Why does it take more energy to remove a electron from Al+ than from Al?

3. ## Physics

Pete slides a crate up a ramp at an angle of 20 degrees by exerting a 244 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.19. How much work did Pete do when the crate was raised a vertical distance of

4. ## Trigonometry

Prove that 1-cosA+cosB-cos(A+B)/1+cosA-cosB-cos(A+B) = tanA/2cotA/2

5. ## Geometry

In parallelogram DEFG, DH = x + 1, HF = 3y, GH = 3x – 4, and HE = 5y + 1. Find the values of x and y. The parallelogram has D at the top left E at the top right, G at the bottom left and and F at the bottom right with H in the middle. Thank You ^0^

6. ## geometry

Earth’s radius is about 4,000 mi. To the nearest mile, what is the distance a person can see on a clear day from an airplane 5 mi above Earth? help please!

7. ## physics

A foam plastic of density of 0.58g/cm^3 is to be used as a life jacket.What volume of the plastic must be used if it is to keep 20percent by volume of an 80kg physics student above water in a lake if the average density of the student is 1.04g/cm^3

8. ## NBA!!!!!!!!!!!!!

WHICH ARE THE BEST PLAYERS ON THE NBA TEAM?????????? I HAVE TO DO A RESEARCH REPORT AND I NEED HELP!!!!!!!!!!!!!!!

At 9:00 on Saturday morning, two bicyclists heading in opposite directions pass each other on a bicycle path. The bicyclist heading north is riding 5 km/hour faster than the bicyclist heading south. At 10:30, they are 40.5 km apart. find both of their

10. ## Math

The sides of a rectangle are in the ratio 2:5. The perimeter of the rectangle is 70cm. What is the Width of the the rectangle.

11. ## Physics

Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

12. ## MATH

the square of a number is equal to the sum of 21 and 4 times the number. find the number X=-3 X=7 RIGHT?

13. ## Social Studies

I think I know what the legislative branch, the executive branch, and the judical branch already is but I want to make sure. Legislative Branch- passes laws Executive Branch- Carries out the laws Judical Branch- Decides the meaning of laws Is this correct?

14. ## english

3. Which one of the following statements is an example of a complex sentence? A. Sparrows at the bird feeder compete for seeds. B. Neap tide is the best time for digging clams. [C. The earth was spinning when Lucas first saw Lucille.] D. The crescent moon

15. ## Chemistry

A(n) ____ reaction is one in which oxygen reacts with another compound to form carbon dioxide, water, and heat.

16. ## pre calc

evaluate the trigonometric function of the given quadrantal angle. tan 1440° Evaluate without using ratios in reference triangle. sec 3π/4

17. ## physics

A portable steel tank with a volume 35 liters (0.035m³) holds helium gas used for filling party balloons. The pressure in the tank is 120atm when at room temperature of 22 °C. How many moles of helium gas are in the tank? Each balloon has a volume of

18. ## ap biology

The first step in making a protein is transcription of a gene. This occurs in the 1._______of a eukaryotic cell. An enzyme called 2.______ carrres out the process of transcribing RNA from the DNA. It starts at a specific nucleotide sequence called a

19. ## geometry

Find the area of square QRST with the following vertices Q(-2, 3), R(1, 0), S(4, 3) and T(1, 6).

20. ## statistics

a computer system requires all users to log on using a 6 character password. if each character can be either a digit from 0 to 9 or a letter of the alphabet, what is the number of possible passwords. please show formula used

21. ## algebra 1

Which expression is the greatest common factor of (125t^3 m^5+60t^4 m^4+85t^5 m^2)

22. ## math

An artist is going to sell two sizes of prints at an art fair. The artist will charge \$20 for the small print and \$45 for a large print. The artist would like to sell twice as many small prints as large prints. The booth the artist is renting for the day

23. ## physics

A Carnot refrigerator is operating between thermal reservoirs with temperatures of 27.9°C and 0.0°C. a) How much work will need to be input to extract 13.7 J of heat from the colder reservoir? b) How much work will be needed if the colder reservoir is at

24. ## ALGEBRA 1

The square of a number is equal to the sum of 21 and 4 times the number. Find the number

25. ## statistics

a point is randomly selected within the rectangle with vertices at (2,0), (2,2), (-4,2), and (4,0). What is the probability that the point's x-coordinate and y-coordinate are both positive?

26. ## english

20. Which of the following is a run-on sentence? A. We like to take a walk after dinner. B. Mike joined the army, and he became more disciplined during the training. [C. Karen's uncle arrives tomorrow she wants to see him.] D. The house was owned by the

27. ## physics

One end of a metal rod is in contact with a thermal reservoir at 731 K, and the other end is in contact with a thermal reservoir at 107 K. The rod and reservoirs make up a closed system. If 6450 J are conducted from one end of the rod to the other

28. ## geometry

find the length of ab & bc of a triangle abc having given the length of ac = 28inch, angle abc = 90, angle bac =30,, angle acb = 60

29. ## English

what are some differences of the work of Walt whitman " I hear america singing" & Woody Guthrie " This land is your land"..?

30. ## physics

An aluminum cup is filled to the brim with precisely 0.400 liters of mercury at a temperature of 20 °C. The cup and mercury are then allowed to warm up to a temperature of 50 °C Calculate the change in volume of the cup and the change in volume of the

31. ## college alg

Find (a) the equation of a line that is parallel to the given line and includes the given point, and (b) the equation of a line that is perpendicular to the given line through the given point. Write both answers in slope-intercept form. y = -4x + 2, (5, 4)

32. ## physics

A lump of ice of density 0.92g/cm^3 is placed is placed into a tumbler containing a coke.The density of coke is 1.150g/cm^3.What fraction of the lump of ice will be above the surface of the coke

33. ## math world problems.

If the length of each side of a regular hexagon is 10 ft, the what is the distance from a vertex to the center? Andrea and Carlos left the airport at the same time. Andrea flew at 180 mph on a course with bearing 80 degrees, and Carlos flew at 240 mph on a

Carlos and maria drove a total of 258 miles in 5 hours. carlos drove the first part of the trip and averaged 50 miles per hour. maria drove the remainder of the trip and averaged 55 miles per hour. for approximately how many hours did maria drive?

35. ## physics

A small component of 1cm x 1 cm x 1 cm is subject to external forces coming from all directions. Design a holder for the component capable of measuring those forces through sensors that are embedded in the holder and capable of measuring forces in x, y,

36. ## PHYSICS

A Few questions- please help!!! also show steps! What magnitude of force, acting for 0.025 s, will change the velocity of a 100 g ball from 30 m/s eastward to 40 m/s westward? A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The

37. ## Math

During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home. On average how many hours per day did each adult spend on line at home? How do you write each number in scientific notation? How

38. ## Geology

1) Describe four possible changes that may take place within a graded stream if there is an increase in gradient. Be very specific and include rock types and processes that each includes.

Please check this for me expand (3z-2b)^5 using Binomial Theorem (a+b)^n = n on top sigma in middle k=0 to right (n/k)a^(n-k)b^k (3a-2b)^5 = 5 on top sigma in middle k=0 on bottom(5/k)(3a)^5-k(-2b)^k (5/0)(3a)^5(-2b)^0+(5/1)(3a)^4(-2b)^1

40. ## Math

During one year, people in the U.S. older than 18 years old watched a total of 342 billion hours of television. The population of the U.S. older than 18 years old was about 209 million people. On average, how many hours of television did each person older

41. ## math

given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there?

42. ## physics

A small component of 1cm x 1 cm x 1 cm is subject to external forces coming from all directions. Design a holder for the component capable of measuring those forces through sensors that are embedded in the holder and capable of measuring forces in x, y,

43. ## Psychology

People in the grocery store are asked to do a taste test of a new soft drink product. Two paper cups are given to each person who volunteers. Fifty percent of the participants are given two different soft drinks. The other half receive the same product,but

44. ## Applied College Msthematics

jennifer stemberg borrowed money to buy a car at 13.5% simple interest from her credit union. If the loan was repaid in 2 years and the amount of interest was \$ 2,700, how much did jennifer borrow?

45. ## psychology

: In order to be useful,a test must be reliable. I nother words, it must: A.) produce the same results from one time to the next B.) predict other criteria of the trait being measured C.) measure what it is designed to measure D.) Compare results against

46. ## math

How many 8 by 10 inch tiles fit on a 16 by 20 ft floor ?

47. ## MATH

jESS WOULD LIKE TO CUT A BOARD THAT WAS 50 INCHES LONG INTO 2 PIECES ONE OF WHICH IS 16 INCHES LONGER THATN THE OTHER. HOW LONG IS EACH PIECE.

48. ## Psychology

a researcher is studying people of normal weight and obese individuals. She wants to know how the time of day affects hunger feelings in the two groups. When, during the experiment, the researcher looks at her watch, she has introduced a/an __________ into

49. ## Physics

A 62 kg water skier, moving at 14 m/s , lets go of the towline. a.Find her momentum. 868kgm/s b.What impulse is needed to bring her to rest? -868Ns c.If the water exerts an average force of -275 N on the skier, how long must the force act? 3.16 s d.How far

50. ## ratios

the ratio of boys to girls is 2 to 5. How many girls are there if there are 56 total kids?

51. ## math

From one year to the next the profits of Company a increased from \$ 350,000 to \$ 425,00 . During that same time period,Company B profits increased from \$ 725,000 to \$ 950,00 . How much more was company B percent in profits than company A'?

52. ## Trig

If the center of a circle is at (2,2) with a radius of 4 the equation of the graph would be : a) (x-2)^2 + (y-2)^2 = 16 b) (x+2)^2 + (y+2)^2 = 16 I think it would be b is that correct?

53. ## Trig

The center of the circle (x+2)^2 + (y-3)^2 =1 is a. (2,3) b. (-2,3) c. (2,-3) d. (-2,-3) I believe b. is the answer, is that correct?

54. ## socials

definitions developed country: Country with a highly developed economy, with a strong service sector and often an industria base. Citizens have the highest standards of living in the world, with high levels of literacy, health services, and food supplies.

55. ## Social studies

What interferences can you draw from thr fact that china, with 1.4 billion people is the most populous country in the world? Canada's population of 34 million ranks 37th in the world. But how ate Canadians distributed across thr country?

56. ## english

14. Which sentence contains words in italics that form a gerund phrase? (A gerund is a verb form used the same way as a noun.) A. An interesting novel provides good entertainment. [B. Winning the race demanded speed and endurance.] C. I am going home. D.

57. ## socials

wat r main factors of population change? jobs people get? i really not understand this. what meant by exponential rate of growth? rule of seventy? i think it means rapid rate of increase as each generation doubles in size. rule of seventy mean way to

58. ## earth

what different elements are used in photosynthesis?

59. ## MATH

the square of a number is equal to the sum of 21 and 4 times the number. find the number WHATS THE EQUATION (AM CONFUSED ?)

60. ## math

The lawn order lawnmower factory can produce 12 lawnmowers in 8 hours. How many hours will take the factory to produce 30 lawnmowers ?

61. ## socials

picture u to open sport store. wat demographic info u wnt to know about ur targt market? how u would use info to choose type of sports products u would hope tosell. what new trends they want to go after. what they most attracted to. i do research abt them,

3(g-3)=6

63. ## us history

when did multicultural education start?

64. ## math

During one year, about 13 million adults over 18 years old in the U.S. spent a total of about 93 billion hours online at home. On average how many hours per day did each adult spend on line at home? How do you write each number in scientific notation? How

65. ## english

15. Which sentence uses the passive voice? A. Lies destroy friendship. B. John searched for a job. C. The rain continued until dawn. [D. The tree was planted by Mary.]

66. ## english

6. Which one of the following sentences is punctuated correctly? A. The sea calmed; but no boats, left shore. B. The sea calmed, but no boats left shore. [C. The sea calmed but no boats left shore.] D. The sea, calmed, but no boats, left shore.

67. ## statistics

A group is studying age distribution of people living in town. The mean age is 45, the modal age is 59, the median age is 56, the range is 96, and the standard deviation is 20.5. Is the data positively or negatively skewed

68. ## chem

what is the relationship between the amount of heat produced per mole of reactant?

69. ## English

So I'm writing an analytical essay on The Odyssey, about Odysseus. And I have to pick traits about him and use multiple quotes to support what I say. So I have a paragraph which I am trying to describe his homesickness. Would a quotation about how he

70. ## statistics

how many different license plates can be made consisting of three letters by four digits?

71. ## algebra

an analysis showed that 0.06% of the t-shirts made by one company were defective. a student says this is 6 out of every 100. what is the students error

72. ## algebra

wyatt and allyson were asked to solve a percent broblem using the numbers 13 and 38. wyatt found 13% of 38 and allyson found 38% of 13. explain why they both got the same answer. would this work for other numbers as well? why or why not

73. ## english

16. Which of the following is a compound sentence? A. Rain and heavy winds caused damage along the coast. [B. Sue gave Jim a new racket, and he left for the tennis courts.] C. We found our way home without a map. D. Kim will take her daughter shopping when

74. ## English

In the story "The Jilting of Granny Weatherall", from what point of view is the story being told A. Dr. Harry B. Granny Weatherall C. Cornellia D. Hapsy

75. ## Economics (inflation)

Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and

76. ## english

17. 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.]

77. ## english

19. Which of the following sentences is correctly punctuated? A. Mary remembered to buy milk didn't she? B. The company held it's annual party at the convention center. [C. Mr. Jones visited the YMCA before becoming a member.] D. The local police asked the

78. ## history

Both Johnson and Lincoln were criticized for "abuse of power." Give examples for each man. Is it hypocritical to praise one and damn the other

79. ## world issues

2. Why do you think the story is called "A Very Old Man with Enormous Wings" rather than "An Angel?"

80. ## math

If the first World Series occurred in 1903 and the Yankees have played in 36 Series as of 2006, what percent of the Series have the Yankees played in since 1903?

81. ## English

I need help identifying how the infinitve phrase is used (parts of speech) in the following sentences! : Rhode Island was the first colony in which the slaves were allowed to enlist in its army. To enlist in the British army and to gain their freedom were

82. ## physics

An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a diatomic gas. a) Calculate the efficiency of the engine's Otto cycle. b) Using your answer to part (a) and the fact that the

83. ## Physics

A model rocket is launched vertically upward from the ground. After 4.3s, its fuel is completely burned. Assume uniform acceleration of 3.0 m/s2 while the fuel is burning. What is the velocity of the rocket at the instant that the fuel is completely

84. ## HELP!!!!!Piecewise function

State the values for f(0) and f(-2) show all your work f(x){(2x-1 if x>1 ,-4 if -1¡Üx

85. ## science

hello! I need good sites that can help me with my physics class! do you have any ideas??

86. ## English

1. Where is the annual report? -Tom took it last night. 2. When will you know if you got the job? - Not until the end of the month. (Are the questions and answers correct grammatically?)

87. ## math

in the problem -10+6g=110 would you plus or minus the -10 from the 110?

88. ## Health billing coding

By whom is the employer identification number (EIN) assigned

89. ## finance

A project has the following cash flows. What is the internal rate of return? Year 0 cash flow -\$443,600 1 \$224,800 2 \$224,800 3 \$ 67,200

90. ## College Algebra

Here is the whole question... I have figured most of it out but I need help with part (b)(f) and (g)... Maybe you also check the work I have already done Given the following function, find: (a) vertex, (b) axis of symmetry, (c) intercepts, (d) domain, (e)

91. ## HCR 230

How do I use references in an assignment that calls for me to make an ORIGINAL financial policy for a medical facility of my choice?

92. ## college algebra

Solve the exponential equation. Express your solutions in exact form only. Please show all of your work. 3^x-70*3^-x=9

93. ## English

Is it correct to say,"Meetings will be held on the 1st and 3rd Sunday of the month"?

94. ## math

Please explain in detail how to solve each question: At a certain high school, 350 students are taking an algebra course. The ratio of boys to girls taking algebra is 33:37. How many more girls are taking algebra than boys? How can you write a system of

95. ## math

Puck is making a scale model of an airplane. The actual airplane is 98 feet long. The scale of the model is 1 cm : 4.7 ft. What is the length of the model? [Round to the nearest hundredth, if necessary.]

96. ## Physics

Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

97. ## English

Could you please check these sentences? Thank you. 1) "It's a pity you didn't read that book," he said. He regretted that I hadn't read that book. (Is it the only possible form?) 2) Try eating less. Try to eat less. (Are both possible?) 3) He was seen

98. ## physics

A closed auditorium of volume 27100 m^3 is filled with 2210 people at the beginning of a show, and the air in the space is at a temperature of 292 K and a pressure of 1.013·105 Pa. If there were no ventilation, by how much would the temperature (in K) of

99. ## physics

A diesel engine works at a high compression ratio to compress air until it reaches a temperature high enough to ignite the diesel fuel. Suppose the compression ratio (ratio of volumes) of a specific diesel engine is 19 to 1. If air enters a cylinder at 1

100. ## math

Mindy, Daisy, Araceli and Leigh worked together on a job. The job paid \$220. Each person was paid according to the amount of work they contributed to the job. Daisy and Araceli earned \$280 together. Daisy and Mindy have \$260, and Daisy and Leigh got \$220.

101. ## CJS200

What background information provides the preliminary grounds for drug usuage? Can any one help me with this question or give me some kind of guidance please?

102. ## physics

An outboard motor for a boat is cooled by lake water at 16.0°C and has a compression ratio of 13.3. Assume that the air is a diatomic gas. a) Calculate the efficiency of the engine's Otto cycle. b) Using your answer to part (a) and the fact that the

103. ## english

How does the text use clothing and garments (or the lack thereof) to portray Edna’s rebellion against Victorian norms? Use examples from the book to support your answer.

104. ## trig

A river is 2000 ft wide and flowing at 6 mph from north to south. A woman in a canoe starts on the eastern shore and heads west at her normal paddling speed of 2 mph. In what direction (measured clockwise from north) must she aim her canoe? How long will

105. ## english

Saqib doesn't know what he's talking about. he's taking money from our taxes to pay for schools which is not going to let us pay our country dept don't vote for him is this adhominom and slippery slop both in one

106. ## grammar

fill in the blanks.With diterminers. Ranjit is _______reckless young man . In ________ quest to make money, he belittles ________people, including ________ employees of ________ own company there _______excuse for ______ rude behaviour on _______part.

107. ## english

what does SS stand for in Shurley Method?

108. ## English

As to my previous post, I thought I could use the infinitive with to if the action was perceived from the beginning to the end (I was seen to steal the watch/ Active: He saw me steal the watch). I'm finding it difficult to check these other sentences.

109. ## grammar

Below the main level, we have a large playroom. What part of speech is below

110. ## Social Studies

Group of people who were not happy with the Constitution? I think it's Federalists

111. ## pre calculus

how to figure out: sec squared x = 1/10

112. ## psychology

I agree that physiological process motivates emotion which produces a different responses for different individuals. I remember that fight or flight is embedded in all of us. If a man finds himself in a dark alley with two other men, then I think that they

113. ## history

To what extent does Lincoln "cause" the Civil War to start? In what way(s) is Lincoln being President critical to the Union's success? Why was Lincoln so heavily criticized?

the sum of the squares pf two postive consecutive even integers is 41. Find the integers.

Please check 1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo

116. ## general chemistry

Discuss in detail the healthcare applications of chemical reactions. Which chemical reactions would you consider to be of importance to healthcare professionals? Why? In which situations are these chemical reactions useful to healthcare professionals?

117. ## Precalculus

Graph the following piecewise function. State the values for f(0) and f(-2). f(x)={ 2x-1 if x>1 { -4 if -1¡Üx

118. ## physics

A 48 kg cart is moving across a frictionless floor at 3.3 m/s. A 50 kg boy, riding in the cart, jumps off the cart so that he hits the floor with zero velocity. a.What is the velocity of the cart after the boy jumped? b.What was the change in momentum of

119. ## Physics

A car with bad shocks has a mass of 1500 kg. Before you go for a drive with three of your friends you notice that the car sinks a distance of 6.0 cm when all four of you get in the car. You estimate that the four of you together have a mass of 271 kg. As

120. ## Social Studies

What events led to the beginning of the Korean War?

121. ## physics

A 62 kg water skier, moving at 14 m/s , lets go of the towline. a.Find her momentum. 868kgm/s b.What impulse is needed to bring her to rest? -868Ns c.If the water exerts an average force of -275 N on the skier, how long must the force act? 3.16 s d.How far

122. ## mth 209

what formula do i use to figure our the usage (in million)of the drug claritin. From the year 2008-2011

1. ¿Dónde estuvo tu mama ayer? Mi Mama estuvo en la tienda. 2. ¿Tocaste un instrumento la semana pasada? Sí, yo toqué un instrumento la semana pasada. 3. ¿Adonde fuiste el lunes pasado? Yo fui a la escuela el lunes pasado? 4. ¿Cómo estuviste ayer?

124. ## social studies

complete the venn diagram to compass and contast life for colonists in New netherland and New York in the 1600s and 1700s i have to write three points to compare and contrast

125. ## math

given the digits {1,1,2,5,5,5,6,7} how many even numbers less than 5 000 000 are there? (and plzzzzz tell me how u got it )

126. ## Science collage

A jetliner lands at speed of 210 km/h and breaks at rate of 20 km/h/s . If the jatliner travels at a constant speed of 210 km/h for 1s after landing before applying the breakes . What is the total displacement of the jetliner between couchdown on the

127. ## us history

what was the first multicultural education project? Thank you for any help

128. ## on areas

the surface area of the three faces having the same border of a cuboid are 4,10,40 sq.cm respectively. find the volume of the cuboid?

129. ## statistics

If there were 10 distribution centers that have an output mean of 78 (in thousands), median of 65 and mode of 50, what would be the total output of the distribution centers?

130. ## statistics

If there were 10 distribution centers that have an output mean of 78 (in thousands), median of 65 and mode of 50, what would be the total output of the distribution centers?

131. ## Shurley

I'm in Shurley Grammar does any1 no how to clasify way?

132. ## math calculus

(24x^3-54x^2-15x)/(6x^2-15x) i don't factor number from whole equation way i do it is find number that add to give me -54 and multiply to give -360. the number i get -60 and +6. so i do this: 24x^3-60x+6x-15x i factor this further and get

133. ## human service

Do you have any ideas on where I can watch Lakota Woman- Siege at Wounded Knee on line?

134. ## maths

A company hires skilled employees, each working under contract to 35h and paid € 550 a week, others working under contract B 20h and paid € 220 per week. 1. These employees will have to make a total of 370h of work per week and the entrepreneur has a

135. ## Sociology

Happy New Year:I need help on a research paper ow does each theory apply to the selected sociological institution?What arethe similaries?what are the differences? How does each thoery affect the view of the individual who is part of he institution? How

136. ## Sociology

How would I like for you all to help me. I need a paper on those question concern Education about the selected of sociological institution.

137. ## spanish

want is a adjectie enddin in spanish i feel so alone

138. ## Sociology

the selected of sociological institution: functionalism. conflict, and Interactionism

139. ## math

McDougal's Restaurant has a play area for children under and around their giant arch ( in the shape of parabola with negative orientation). They plan to set up a new activity that allows children to bungee jump from the arch. The manager, upon hearing of

140. ## us history

what was the first multicultural education project? Thank you for any help

141. ## math calculus

7/(x-2)(x+5)-8/(x+5)(x-3) 7(x-3)-8(x-2)/(x-2)(x+5)(x-3) 7x-21-8x+16/(x-2)(x+5)(x-3) 7x-8x give me -1x and -21+16 give me -5. for numerator but it have to be -1/(x-2)(x-3) i not know how to do this please explain process my way not different way.

142. ## chemistry

A plastic container with a mass of 30 grams gains 1,140 joules of heat. If the temperature of the container increases 20°C, what is the specific heat of the plastic in the container?

143. ## Physics

How long does it take a 23 kW steam engine to do 8.8 x 10^7 J of work?

144. ## physics

A 1.30 × 10 4 kg railroad car moving at 6.70 m/s to the north collides with and sticks to another railroad car of the same mass that is moving in the same direction at 1.83 m/s. What is the velocity of the joined cars after the collision? Answer in units

145. ## Chemistry

How would you make an irreversible isothermal expansion/compression cycle of a gas closer to a reversible one? 1. Increase the temperature 2. Decrease the number of steps during expansion and compression 3. Increase the difference between internal and

146. ## English

In chapter 10 of A Tale of Two Cities, why doesn't Dr. Manette want Charles to tell him his real name? In the book, it says how Manette told Charles to wait to tell him on the day he weds Lucie, but it never explains WHY he wants him to wait. Could anyone

147. ## government

I have to explain how American Association for Affirmative Action influences public policy. I still get confused on public policy but so far I believe the answer is this group influences public policy through affirmative action policies for women,

148. ## math

The worlds longest millipede is about 39 cm or 15 inches. What is the length in mm?

149. ## english

1. A split infinitive is an infinitive that A. is used as an adjective or a noun. B. must have a subject. C. is used without the word "to." [D. has a word between "to" and the verb.]

150. ## Physics

A 20 kg table initially at rest on a horizontal floor requires a 136 N horizontal force to set it in motion. Once the table is in motion, a 71 N horizontal force keeps it moving at a constant velocity. What is the coefficient of kinetic friction between

151. ## algebra

f(x)= 1/3 (x +8)^2 + 5 what the vertex, line of symmetry

152. ## College Algebra

Given the equation x^2+y^2-8x-6y=0 (a) Write the equation in standard form. (b) State the center, radius, and intercepts.

153. ## Chemistry

When doing a simple distillation of ethanol-water, is the vapor pure ethanol or does it also contain water? (knowing that ethanol has lower boiling point than water) If it is not pure ethanol, why is it not possible to separate water & ethanol completely?

154. ## english

4. Identify the sentence that contains a noun clause in italics. A. Betty would like to harvest the corn. B. When should Betty harvest the corn? [C. What Betty wants is to harvest the corn.] D. Betty wants to harvest the corn.

155. ## College alg

Analyze the graph of the following function as follows: (a) Find the x- and y-intercepts. (b) Determine the end behavior: find the power function that the graph of f resembles for large values of |x|. (c) Find the maximum number of turning points.

156. ## english

5. How could you combine the following two sentences into one compound sentence? The rabbit jumped into the bushes. The dog followed it. [A. The dog followed the rabbit when it jumped into the bushes.] B. After the rabbit jumped into the bushes, the dog

157. ## Math

The area of a trapezoid is 66 sq units. The length of its longer base is 4 units longer than the length of its shorter base, and its height is 7 units longer than the length of its shorter base. Find the length of each base and the height of the trapezoid.

158. ## Precal

Given f(x) and g(x) below, find: (a) f + g (b) f – g (c) f*g (d) f/g Please show all of your work. f(x) = x + 5 g(x) = 5x^2+15x-3

Toni rows a boat 4.5km/h upstream and then turns around and rows 5.5km/h back to her starting point. If her total rowing time is 48 min , for how long does she row upstream?

160. ## algebra 1

The midpoint of XY is point M(-12,5). If the coordinates of X are (3,-3), what are the coordinates of Y?

161. ## math

a minute is 0.00000019 of year .calculate the part of a year a second represents ? express your answer in scientific notation.

162. ## Psychology

why is it wrong for a researcher to assign the first subjects to show up for an experiment group and the second group of subjects to arrive to the control group?

163. ## english

6. Which one of the following sentences is punctuated correctly? A. The sea calmed; but no boats, left shore. B. The sea calmed, but no boats left shore. [C. The sea calmed but no boats left shore.] D. The sea, calmed, but no boats, left shore.

164. ## Math

I really, really need help! Solve for the indicated variable. 8x+4y=12 Solve for y. Explanation too, please! Please and thanks!

165. ## lakehill

The standard deviation of sample 1 (n=9) is 2 and the standard deviation of sample 2 (n=14) is 3. What is the F value?

166. ## english

7. Which sentence uses correct parallel construction? A. Most people enjoy ice cream and the plant grows. B. Anyone who is going to work here will have to be athletic, an intelligent person, and have a good sense of humor. C. You can either talk to the

167. ## physics

A rope of negligible mass pulls a 38-kg block block vertically upward with a constant acceleration of 6.0 meters per second squared. What is the tension of the rope?

168. ## Trig

The radius of: (x+2)^2 + (y-3)^2 =9 is 3 is this correct?

169. ## Thermodynamics

Determine the units of viscosity,m, in the following equation: t=m(du/dy), where t is a shear stress, u a velocity, and y is a distance in (a) the Engineering English system, and (b) the SI system.

170. ## Pre Calc

evaluate the trigonometric function of the given quadrantal angle. tan 1400° cos 9π cos 13π/2 sin (-17π)

171. ## english

8. Which one of the following sentences fails to follow parallel construction? A. I would be surprised if Jacob's essay does not demonstrate critical thought, careful analysis, and exhaustive research. B. It was a fine but extremely boring lecture. [C. I

172. ## english

9. How is a compound sentence formed? A. By joining a simple sentence with a dependent clause B. By joining a dependent and independent clause with a conjunction [C. By joining two independent clauses and one dependent clause] D. By joining two simple

173. ## TO WRITEACHER

what was the website you gave me yesterday to find the definition of the word hysterically.respond back as quick as possible.THANK YOU!

174. ## Math

Write the first five numbers for the sequence that follows the rule 1/4x+3

175. ## english

12. In the sentence "I want to sleep when I'm tired," the words "to sleep" are a/an A. prepositional phrase. B. indirect object. C. predicate adjective. [D. infinitive phrase.]

176. ## math

the 65th term in a geometric sequence is 8000, and the 69th term is 500. find the 64th term

177. ## english

13. One of the following sentences contains an independent clause and a dependent clause, which makes it a complex sentence. Which is the complex sentence? A. I came home; I saw an envelope in the mailbox. [B. After the rain ended, the sky became blue.] C.

178. ## physics

An aluminum cup is filled to the brim with precisely 0.400 liters of mercury at a temperature of 20 °C. The cup and mercury are then allowed to warm up to a temperature of 50 °C Calculate the change in volume of the cup and the change in volume of the

Evaluate 9.67 - x for each value of x. Really need help!! 23. x = 3.8 25. x = 0.635 27. x = 1.001 29. x = 9.527

180. ## Math

I SERIOUSLY need help! Solve the linear system by using substitution. x=6-4y 2x-3y=1 Explanation too, please! Please and thanks!

181. ## nursinmg ethics and law

Identify and explain nursing management decisions relating to standards of practice that pose legal implications.

182. ## Trig

the center of a circle x^2 + y^2 + 8y =1 is a. (0,-2) b. (0,4) c. (0,1) d. (0,-4) I believe the answer is (0,4) Am I correct ?

183. ## socials

definitons demography: study of populaton numbers, distribution, trends, and issues emigration: people who leave a country immigration: people who enter a country migration: movement from one place to another

184. ## Writting Sentences and Paragraphs

Background You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe

185. ## algebra 2

x intercepts of f(x)15x^2-12x-48