# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 940
1. ## physics

A 4-kg block is connected by means of a massless rope to a 2-kg block in the figure. If the coeficient of sliding friction between the 4 kg mass and the table is 0.150, find the acceleration of the system, and the tention in the connecting cable.

asked by Anonymous on November 15, 2011
2. ## ELA

We have to find 20 collective nouns in a magazine. So far are all of these collective? 1.partners 2.Birds 3.Family 4.Amphibians 5.Crustaceans 6.builders 7.Immigrants 8.Animals 9.Grades 10.Services 11.packages 12.lodges 13.Members 14.Branches

asked by Lance on February 28, 2012
3. ## Math

Suppose your parents deposited \$1500 in an account paying 3.5% interest compunded annually(once a year) when you ere born. Find the account balance after 18 years. So how do you plug all this information into this formula: B=p(1+r)^x?

asked by Angie on April 15, 2009
4. ## 9th grade math

The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are non-zero and 20

asked by Jessica on November 20, 2014
5. ## Biology

So the question is: What is the evolutionary significance of the 'Euglena' that forms a perspectie of utiliazing pigments to capture light energy? I researched for hours but couldn't find information on evolution of Euglena. please help ASAP! Thank you!

asked by Megan on October 21, 2007
6. ## physics

if the greatest acceleration force which may be be applied to a vehicle is numerically equal to its weight, find a the least distance and b the least time, in which the vehicle travelling on a horizontal road can be brought to rest from an initial velocity

asked by tennesha greene on January 17, 2011

a rectangular tank 28cm long and 18cm wide was filled with water to a dept of 7cm. When 12 marbles were added the level rose to 12cm. Find the average volume of the 12 marbles.

asked by Cyrus on January 26, 2016
8. ## Help with essay topic?

Hi, I'm trying to figure out a good topic regarding Alfred the Great. My paper needs to be 4 pages, and it can't just be a biography or summary of his life. I'm trying to find a few interesting points about his life that I can really elaborate on. When i

asked by Kat on February 7, 2010
9. ## Algebra

A student scores 83 and 91 on her first 2 tests. Write and solve a compound inequality to find the possible values for a 3rd test score that would giver her an average between 85 and 90 inclusive. I know she has to score between 81 & 96 but I'm not sure

asked by Tricia on October 4, 2014
10. ## Physics

My question is A block is given an intial speed of 4.0 s^-1 m up the 22 degree plane How far up the plane will it go? How much time elapses before it returns to its starting point? Ignore friction. Ok my teacher said use this to find acceleration a = g sin

asked by Physics on July 9, 2009
11. ## greatbay community college

A 5.00 kg stone is thrown upward at 7.50 m/s at an angle of 51.0 degrees above the horizontal from the upper edge of a cliff, and it hits the ground 1.50 s later with no air drag. Find the magnitude of its velocity vector just as it reaches the ground.

asked by Anonymous on July 31, 2014
12. ## physics

A penny is dropped from rest from the top of the Trump Tower in New York City. Considering that the height of the building is 283 m and ignoring air resistance, find the speed with which the penny strikes the ground.

asked by lennox on September 6, 2012
13. ## Finite Math

Juan invested \$24,000 in a mutual fund 5 years ago. Today his investment is worth \$34,616. Find the effective annual rate of return on his investment over the 5-year period.

asked by Shakina on January 6, 2015
14. ## Biology

So the question is: What is the evolutionary significance of the 'Euglena' that forms a perspectie of utiliazing pigments to capture light energy? I researched for hours but couldn't find information on evolution of Euglena. please help ASAP! Thank you!

asked by I NEED HELP on October 21, 2007
15. ## Math

7m long flagstaff is fixed on tower standing on horizontal plain . Frm a point on the ground angle of elevation of top and bottom of flag staff are 60 and 40 find height of tower

asked by Anonymous on March 17, 2017
16. ## Math/Finance

Which formula do I use for the following question: Sheila Spinney borrowed \$32,500 at 7.5% simple interest for 180 days on January 7. The bank later sold the note at an 8% discount on March 2. Find the proceeds to the bank.

asked by Aniya on September 6, 2012
17. ## accounting

In which section of the annual report would you find a list of the company's major products? a) Information about the business b) Notes to the finanical statements c) Management discussion and analysis d) Independent Auditors report

asked by Laramie on January 18, 2010
18. ## Precalculus

An airplane is flying due west at a velocity of 100 m/s. The wind is blowing south at 5 m/s. a. Draw a labeled diagram of the situation. b. Find the resulting ground speed and bearing of the airplane?

asked by Marie on February 14, 2010
19. ## algebra

Ticket Sales Living in or near a metropolitan area has some advantages. Entertainment opportunities are almost endless in a major city. Events occur almost every night, from sporting events to the symphony. Tickets to these events are not available long

asked by dave on June 24, 2010
20. ## chemistry

An ice cube with a mass of 40.0 g melts in water originally at 25.0 degree C. a. How much heat does the ice cube absorb from the water when it melts. Report the answer in calories, kilocalories, joules b. Calculate the number of grams of water that can be

asked by kim on April 27, 2010
21. ## dressmaking

How many separate pieces of fabric are used to form a bow and knot added as a decoration down the center of a dress A) Two B) Three C) Four D) Five Guessing that the answer could be A or C as fabric has raw edges which needs to be joined together on the

asked by Sarah on May 16, 2012
22. ## AP Physics B

A gadget of mass 17.85 kg ﬂoats in space without motion. Because of some internal malfunction, the gadget violently breaks up into 3 fragments ﬂying away from each other. The ﬁrst fragment has mass m1 = 4.12 kg and speed v1 = 3.57 m/s while the

asked by Daisy on November 1, 2012
23. ## personal finance

Todd is applying for a \$100,000 mortgage.He can get a \$600 monthly payment for principal and interest and no points,or \$520 monthly payment with 2 points.How many months will it take Todd to cover the cost of discount points if he takes the lower monthly

asked by vedrana on March 15, 2010
24. ## Math

the Ruby Snow Company makes custom snowboards. the company's profit can be modelled with the relation y=6x^2+42x-60,where x is the number snowboards sold(in thousands) and y is the profit (in hundreds of thousands of dollars) How many snowboards does the

asked by Anonymous on April 7, 2015
25. ## Math

the Ruby Snow Company makes custom snowboards. the company's profit can be modelled with the relation y=6x^2+42x-60,where x is the number snowboards sold(in thousands) and y is the profit (in hundreds of thousands of dollars) How many snowboards does the

asked by Anonymous on April 7, 2015
26. ## Accounting

The Major Issue in inventory accounting is: A. determining whether to take inventory using cycle counts as opposed to counting all inventory only at the end of the year. B. deciding whether to maintain records on a periodic or perpetual basis. C.

asked by Dianna on August 20, 2015
27. ## physics

Mass M is initially sliding down the inclined plane with a velocity of V = 4 cm/sec as shown. The coefficient of kinetic friction is μK = 0.2. Angle of 70 degrees. Assuming the mass does not reach the base of the incline before one second has passed,

asked by zaya on January 17, 2015
28. ## 6 grade math

wile catching fireflies, you and your friend decide to have a competition. after m minutes, you have (3m +13) fireflies and your friend has (4m+6) fireflies. a. how many fireflies are caught per minute? b. ow many fireflies caught before the competition?

asked by Ed on October 21, 2017
29. ## phi208

robinson agrees with Aquinas' idea that: honor is a subjective quality honor is secondary to integrity honor must be displayed in action honor is secondary to magnanimity none of the above i think the answer is honor must be displayed in action

asked by Kia on August 9, 2014
30. ## chemistry

Which of the following mixtures will be a buffer when dissolved in a liter of water? a. 0.1 mol Ca(OH)2 and 0.3 mol HI b. 0.3 mol NaCl and 0.3 mol HCl c. 0.4 mol NH3 and 0.4 mol HCl d. 0.2 mol HBr and 0.1 mol NaOH e. 0.2 mol H3PO4 and 0.1 mol NaOH i think

asked by George2 on May 21, 2010
31. ## Strayer University

An urn contains white balls and red balls. If Juan chooses balls at random from the urn, what is the probability that he will select white balls and red balls? Round your answer to decimal places

asked by Thomala on June 16, 2014
32. ## Physics (3)

An explosion in a rigid pipe shoots out three pieces. A 6 g piece comes out the right end. A 4 g piece comes out the left end with twice the speed of the 6 g piece. From which end does the third piece emerge? A. B. C Right end Left end Not enough

asked by Anonymous on October 29, 2011
33. ## math

A bag of marbles contains 8 red marbles and 6 yellow marbles. Two marbles are drawn out of the bag at random without replacement. What is the probability that two red marbles are drawn out? Be sure to represent your answer as a fraction in simplest form.

asked by jasmine on April 22, 2015
34. ## macroeconomics

40.The purpose of indexing Social Security payments to the CPI is to 41. The best currently available measure of the standard of living in a country is ______. (Points: 3) the nominal GDP per capita the real GDP per capita the unemployment rate the growth

asked by steven Sanchez on July 20, 2009
35. ## macroeconomics

40.The purpose of indexing Social Security payments to the CPI is to 41. The best currently available measure of the standard of living in a country is ______. (Points: 3) the nominal GDP per capita the real GDP per capita the unemployment rate the growth

asked by steven Sanchez on July 19, 2009
36. ## Physics

A runner of mass 51.5 kg starts from rest and accelerates with a constant acceleration of 1.35 m/s2 until she reaches a velocity of 5.7 m/s. She then continues running with this constant velocity. (Take the direction the runner is going to be the positive

asked by James on May 18, 2012
37. ## Geometry

In a class of 50 high school juniors, 32 students either play a sport or are in the marching band. There are 22 juniors who playa sport and 16 who are in the marching band. What is the probability that a randomly selected junior plays a sport and is in the

asked by Karri on February 3, 2016
38. ## linear/exponential

This question involves the half-life formula. In this exercise, we are to give a half-life for an exponentially decaying quantity. Need answer to the following: The half-life of a drug in the bloodstream is 4 hours. By what factor does the concentration of

asked by kayse on November 24, 2007
39. ## history

First of the grate industrial trusts,organized through a principle of horizontal integration that ruthlessly incorporated or destroyed competitors. I am thinking the Standard Oil Company... The idea, promoted by Henry Grady and other boosters that the

asked by Chrissy on March 20, 2007
40. ## Psychology

For each of the following research questions, indicate the following: (1) the type of research that would best answer the question, 2) an appropriate sampling method, and 30 the best method of collecting the data. a) How do the minority groups at a certain

asked by Rachelle on October 28, 2013
41. ## history

rationale for imperialism in the era 1890–1910 included all of the following ideas EXCEPT: A. American ideas and institutions were superior to those of inferior nations. B. the United States needed a vast buffer zone to offset communist expansionism. C.

asked by sharice on March 6, 2011
42. ## Advanced Algebra

Jeffrey earned a gross income of \$51,280 last year. He made \$1,746.83 in student loan interest deductions, donated \$2,914 to his favorite charities and paid \$3,941.47 in home mortgage interest. Jeffrey claims a standard deduction of \$11,400 for himself and

asked by Steve on October 10, 2017
43. ## Advanced Algebra

Jeffrey earned a gross income of \$51,280 last year. He made \$1,746.83 in student loan interest deductions, donated \$2,914 to his favorite charities and paid \$3,941.47 in home mortgage interest. Jeffrey claims a standard deduction of \$11,400 for himself and

asked by Steve on October 10, 2017
44. ## algebra 2

how do you solve quadratic equations by finding square roots i have no clue how to do this. I have fallen behind in my math class because my teacher is horrible. I need to learn this to understand everything in the section in the section. I beg someboody

asked by HELP ME on November 30, 2009
45. ## Science, 8th.

This flask originally held some copper wire and a clear solution of nitric acid. The two substances reacted and produced a brown gas and a blue solution. This reaction cannot be reversed. Evidence of a chemical reaction is shown by... A) ice forming. B)

asked by .jimin on February 28, 2019
46. ## Advanced Algebra

Jeffrey earned a gross income of \$51,280 last year. He made \$1,746.83 in student loan interest deductions, donated \$2,914 to his favorite charities and paid \$3,941.47 in home mortgage interest. Jeffrey claims a standard deduction of \$11,400 for himself and

asked by Steve on October 3, 2017
47. ## SS

The Midwestern region of the United States is often referred to as the heartland because it is the agricultural center of the nation. What have technological advances such as drilling equipment for wells, machinery, and computers done for the Midwest? The

asked by Anonymous on March 27, 2018
48. ## Pre-Calculus

3. Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to

49. ## REALLY NEED HELP

Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find

asked by cierra on October 27, 2015
50. ## math

Joyce is buying a pair of jeans for \$39.99. The jeans are on sale at a 20% discount and the sales tax is 7%. Write a function T(x) to represent the total cost of an item with 7% sales tax. Find the composite function (T of S)(x).Use the composition to find

asked by cierra on October 27, 2015
51. ## Math "Need Help Asap"!

"Find each percent of markup?" 5.)Store's cos:\$26 selling price:\$39 6.)Store's cost:\$125 selling price:\$168.75 7.)Store's cost:\$75 selling price:\$90 "Find each selling price round to the nearest cent?" 8.)"A Video game costs a store \$20. If the store sells

asked by #FreeGucci on May 27, 2016
52. ## Business math

The clarkdell school system has three schools. School #1 has 500 students School #2 has 600 students School #3 has 400 students What part of a \$15,000 allocation will go to school #2? 15,000 divide by 3= \$5,000 Will you check my answer?

asked by Devon on February 21, 2015

. You've written a check to Goodwill Supply, and the check has been lost. What should you do? A. Stop payment on the first check; then write a second one. B. Send a counter check to Goodwill. C. Write another check immediately. D. Call Goodwill and tell

asked by b on September 22, 2014
54. ## College

My dream is to go to Harvard University. When I grow up I want to become an artist, & creative writer (like writing stories & stuff. Here are some questions I would like to ask you guys. Please answer these questions please I know I'm too young (age 12,

asked by Kim on September 29, 2011
55. ## Alexander the great fact

I have a research paper due shortly and well when i was taking notes i didn't label a few of them(stupid i know) so now, I returned the books to the library, and i wrote the paper, and one fact which I think is good is that the seers he brought with him

asked by Jonathan on July 2, 2007
56. ## Physics

A car acclerates at 4m/s/s for 5s and then drove at its final velocity for 8s. It then decelerates at 2m/s/s for 2s. Draw a velocity-time graph and use the graph to find the distance covered during the 15s described. Would I plot (5,8) and then draw a line

asked by Anna on September 19, 2006
57. ## Science/Physics

My question is you walk 3.9 kilometers to school. In gym, you do the 12 minute run and actually make it 2.4 kilometers. After school you walk your friend home first and then go home it is 3.1 kilometers farther than your morning walk to school. What was

asked by Jenna on April 15, 2015
58. ## Math

A fireman used a ladder with 56 rungs. The rungs are 14 inches apart and 1.5 inches thick. What is the distance from the bottom of the lowest rung to the top of the highest rung? Check if I solved correctly please. I multiplied 55*14 because there would be

asked by Spencer on September 19, 2015
59. ## Science-important!

Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B. A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis

asked by jake on November 21, 2011
60. ## Biology-Is my answer correct

Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

asked by jake on November 21, 2011
61. ## calculus

A bright light on the ground illuminates a wall 12 meters away. A man walks from the light straight toward the building at a speed of 1.1 m/s. The man is 2 meters tall. When the man is 4 meters from the building, how fast is the length of his shadow on the

asked by kiera bryant on October 17, 2014
62. ## physics

An automobile and train move together along parallel paths at 28.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 63.8 s, then accelerates back to a speed of 28.8 m/s

asked by m on May 21, 2013
63. ## Physics

An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6 m/s at

asked by Nick on September 18, 2011
64. ## Biology

Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

asked by jake on November 21, 2011
65. ## science

Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

asked by jake on November 21, 2011
66. ## science

Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B. A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis

asked by jake on November 20, 2011
67. ## physics

An automobile and train move together along parallel paths at 20.3 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 19.4 s, then accelerates back to a speed of 20.3 m/s

asked by john on May 20, 2013
68. ## Physics

An automobile and train move together along parallel paths at 21.8 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red light and comes to rest. It remains at rest for 19.1 s, then accelerates back to a speed of 21.8 m/s

asked by Chimera on September 26, 2012
69. ## physics

An automobile and train move together along parallel paths at 39.1 m/s. The automobile then undergoes a uniform acceleration of −4 m/s 2 because of a red lightand comes to rest. It remains at rest for 22.5 s, then accelerates back to a speed of 39.1 m/s

asked by Swag on September 27, 2011
70. ## Science

mismatch error to be repaired? Which is the best answer, I think it's A. Can someone who know's science tell me if I am right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

asked by jake on November 21, 2011
71. ## math

What is the line of thought or sequence of thought for solving simple algebraic expressions? When I'm asked to solve the expression (5k)k^3....first I check with my list of exponent rules, and there are always a few that could be used to solve the

asked by Cliff on May 12, 2010
72. ## Chemistry

Lactic acid is a major component of Ringer’s solution, which is used as an intravenous fluid to maintain fluid balance in trauma patients. The pH of a 0.100 M lactic acid solution is around 2.44. Based on this information, determine the value of the acid

asked by Anonymous on October 26, 2017
73. ## Calculus

A ball is dropped from the top of a building. The height, , of the ball above the ground (in feet) is given as a function of time, , (in seconds) by y = 1640 - 16t^2 y'= -32t When does the ball hit the ground, and how fast is it going at that time? Give

asked by Ashley on November 14, 2010
74. ## Public Policy

Drawing on the courses in the public policy stream of the curriculum, answer the following question. Assume you have been asked to set up a policy analysis unit in the state of Ohio. The unit will report directly to the Governor and will be responsible for

asked by Jason on May 8, 2007
75. ## Calculus

A train is heading due west from St. Louis. At noon, a plane flying horizontally due north at a fixed altitude of 4 miles passes directly over the train. When the train has traveled another 5 miles and is going 500 mph. At that moment, how fast is the

asked by George on November 11, 2008
76. ## Science

Choose the correct answer in parenthesis. 150 million years ago the continents were ---(closer together / farther apart)--- than they are now. South America and Africa used to be ---(together / apart)---. 100 million years into the future, the continents

asked by PHYSICALSCIENCE on June 1, 2011
77. ## physic

A man is running at speed c (much less than the speed of light) to catch a bus already at a stop. At t=0, when he is a distance b from the door to the bus, the bus starts moving with the positive acceleration a. Use a coordinate system with x=0 at the door

asked by metu on October 4, 2012
78. ## Math - Complex Numbers

Could someone show me how to get the work for: 3/4 (sqrt)-16/25 ? The answer says 3/5i. Could anybody tell me how to get there and work with complex fractions and simplify them? Thanks! 3/4 SQRT(-16/25) 3/4 SQRT( 16/25*-1) 3/4 *4/5 *SQRT( -1) but the sqrt

asked by Danielle on May 8, 2007
79. ## math

The Ramsey's assets are to be divided among their three children Agnessa, Rebecka, and Cody in the ratio of 8 : 6 : 3. For full marks your answer(s) should be rounded to the nearest cent. a) If Rebecka received \$6,500 from the sale of securities, what

asked by shara on February 21, 2010
80. ## Biology

I'm not sure how to answer one of my homework questions. SraJMCGIN was nice enough to direct me to a site but I already had been there. My teacher kinda of indicted it was true but I don't know how it can- could someone take a second look, please at this

asked by Sidney on October 9, 2011
81. ## Math

I need help with this question: 1. A hot air balloon is held at a constant altitude by 2 ropes that are anchored on the ground. One rope is 120 ft long and makes an angle of 65 with the ground. The other rope is 115 ft long. What is the distance between

asked by mysterychicken on June 6, 2013
82. ## chemistry urgent

hydrogen gas is collected in a bottle, and the pressure of the gas is 892 torr at 24 °C. what is the pressure of hydrogen gas when the temperature decreases to 20 °C? chemistry - DrBob222, Tuesday, November 30, 2010 at 1:25pm (P1/T1) = (P2/T2) Dear Dr

asked by Lynn on November 30, 2010
83. ## Chemistry

I have know clue how to answer this, but I tried something.(predicting products of electrolysis in aqueous solution)/ Predict the products of the electrolysis of a solution of aqueous MnSO4. I first wrote this: Mn^2+ SO4^2- Then for Mn^2+, it can be

asked by Sara on June 16, 2015
84. ## Chemistry. I got the wrong answer. Plz help

A sample of sodium reacts completely with 142 g of chlorine, forming 234 g of sodium chloride. What mass of sodium reacted? I took 142g of Cl / 35.5g/mol = 4 mols of Cl Then I took 58.44g/mol x 4 mols of Cl = 233.76 It asked for three significant figures

asked by Dominick on December 8, 2015
85. ## Pre Algebra

-Scale you will need to use _______________________ | Height:3 |6 | 8 |10 | |Burn time:45|80|120|150| |_______________________| The candle company wants a candle that will burn for the equivalent of 3 full days. Assuming the pattern continues, how tall

asked by Austin on December 11, 2015
86. ## bioelectricity

Assume that frog muscle cell membrane is permeable to Na and K only. The membrane permeabilities for Na and K are Pna and Pk respectively. At 16∘C, the resting membrane is -91 mV. What is the ratio of permeabilities Pna/Pk? For frog muscle, intracellular

asked by B on February 19, 2013
87. ## Chemistry

Mg + 2HCl -> MgCl2 + H2 Over an interval of 1.00s, the mass of Mg changes by -0.011g What is the corresponding rate of consumption of HCl (in mol/s)? I got 9.0E-4 mol/s and that's the right answer. But I'm having problems with the next question. Calculate

asked by a Canadian on February 24, 2013
88. ## Chemistry(Please just check, thank you)

1) The approximate pH of a 3.0 X 10^-3 M solution of the strong acid H2SO4 is? I did pH= -log(3.0 X 10^-3) = 2.5 2)If HCLO2 is a stronger acid than HF, which is stronger than HOCL, then the order of strengths of the conjugate bases of these acids is? My

asked by Hannah on March 24, 2012
89. ## finance

You note the following yield curve in The Wall Street Journal. According to the unbiased expectations theory, what is the 1-year forward rate for the period beginning one year from today, 2f1? (Round your answer to 2 decimal places.) Maturity Yield One day

asked by deda on November 26, 2016
90. ## chemistry

90Sr is one of the harmful radionuclides resulting from nuclear fission explosions. It decays by a first-order process with a half-life of 28 years. How many years would it take for 99.99% of a given sample released in the atmosphere to disintegrate?

asked by omar on April 29, 2010
91. ## Chemistry

Copper(II) chloride and lead(II) nitrate react in aqueous solutions by double replacement. Write the balanced chemical equation, the over all ionic equation, and the net ionic equation for this reaction. If 16.06g of copper(II) chloride react, what is the

asked by Steven on March 16, 2010
92. ## Calculus

Match each polar equation below to the best description. Each answer should be C,F,I,L,M,O,or T. DESCRIPTIONS C. Cardioid, F. Rose with four petals, I. Inwardly spiraling spiral, L. Lemacon, M. Lemniscate, O. Outwardly spiraling spiral, T. Rose with three

asked by Salman on February 1, 2010
93. ## Chemistry

Dissolving calcium hydroxide (∆Hsoln = -16.2 KJ/mol) in water is an exothermic process. How much lithium hydroxide (∆Hsoln = -23.6 KJ/mol) is needed to deliver the same amount of heat as 15.00 g of Ca(OH)2? Hello everyone, thank you for taking a look

asked by Ka_Chin on November 1, 2015
94. ## Geometry

1. Explain whether the following statement is a valid definition: “A 150° angle is an obtuse angle.” Use the converse, biconditional, and at least one Euler diagram to support your answer. 2. Explain the purposes of inductive and deductive reasoning

asked by Julie on December 9, 2010
95. ## Math

You plan to make 24 equal quarterly payments (payments are at the end of each period) into an account to pays 8% (per year compounded quarterly). If you need \$5,000 at the end of 10 years (i.e. 4 years after the last payment is made into the account), how

asked by Nancy on October 23, 2014
96. ## Spanish

I have two questions about translation. If asked this question, how do I answer it. Cual es tu numero de telefono? I know it is asking my phone number which is 447-7161 but I don't know how to put it in sentence form. The next question is Que te gusta

asked by Megan on October 13, 2010
97. ## math

A factory can produce two products, x and y, with a profit approximated by P = I think it's b but I'm not really sure. Can someone show me how to do this or let me check my answer? :) 14x + 22y – 900. The production of y can exceed x by no more than 200

asked by Alex on September 17, 2012
98. ## statistics

The number of viewers of American Idol has a mean of 21 million with a standard deviation of 10 million. Assume this distribution follows a normal distribution. Refer to the table in Appendix B.1. What is the probability that next week's show will: (a)

asked by Anonymous on March 10, 2011
99. ## chemistry

Calculate the reduction potential of the following solutions: a- 1 M CuSO4 b- 1 M FeSO4 c- 0.1 M CuSO4 I'm now the same answer as you. :( This is how I did it can you please check. a- Cu(s)---> Cu(aq) + 2e = -0.34 V SO4^-2(aq) + 4H(aq) + 2e --> H2SO3(aq) +

asked by fenerbahce on July 22, 2012
100. ## AP Physics B

Through a pipe of diameter 15.5 cm , water is pumped from the Colorado River up to Grand Canyon Village, on the rim of the canyon. The river is at 564 m elevation and the village is at 2096 m . At what minimum pressure must the water be pumped to arrive at

asked by Steph on January 23, 2013