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

143,010 questions, page 777
1. ## Algebra

Adam kicks the football in his backyard. The path of the football when kicked can be represented by the quadratic function y = - 16{x^2} + 85x where x is the horizontal distance (in feet) and y is the height (in feet). How far does Adam kick the football?

asked by Zyere on December 17, 2014
2. ## CHEM

To identify a diatomic gas (X_2), a researcher carried out the following experiment: She weighed an empty 1.00-L bulb, then filled it with the gas at 1.10atm and 23.0 degrees celsius and weighed it again. The difference in mass was 1.27g . Identify the

asked by Kara on October 24, 2008
3. ## Physics

A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a)

asked by Bethany on September 18, 2011
4. ## Grammar

True or False Is the following sentence properly functuated. The young appearing patient went to the doctor's office. Answer is FALSE My question is WHY? - Is it BAD sentence structure - we have ruled out that the apostrope is CORRECT. Should there be a

asked by Leslie-To:Writeacher on June 18, 2011

Sorry Anonymous that I deleted your post by mistake, but here's the answer to the question: "there are four posts on each side of a square fenced-in are. How many posts are there in all?" The corner posts are counted for both of the adjacent sides. So the

asked by MathMate on December 3, 2009
6. ## ECONOMICS HELP

a draft system, whether professional sports or the military, enable those who are hiring to A.avoid paying a living wage B.produce what they produce at a lower cost C.educe the cost of labor D.transfer part of the cost of labor to someone other than

asked by Brittany on October 11, 2010
7. ## physics

A jet makes a landing traveling due east with a speed of 100 m/s. If the jet comes to rest in 15.0 s, what is the magnitude and direction of its average acceleration? due west or due east? How can I solve this question? You don't have to give me the answer

asked by freshmen on October 4, 2012
8. ## Physics

Two forces, 364 N at 19° and 253 N at 32° are applied to a car in an effort to accelerate it. The resultant forces of these two forces is 558.72 N. What is the direction of the resultant force (in relation to forward, with counterclockwise considered

asked by Steve on November 12, 2011
9. ## Human Resources

When conducting a job analysis (1 point) A. first-line supervisors provide the most accurate job descriptions. B. It is good practice to consult multiple sources of information. C. The analysis should not be shared with job candidates. D. An employee in

asked by Hailey on October 16, 2017
10. ## launguage arts

from “Silkweed” by Philip Henry Savage 1 Softly, as if instinct with thought, 2 They float and drift, delay and turn; 3 And one avoids and one is caught, 4 Between an oak-leaf and a fern. Use the excerpt to answer the question. Which lines from the

asked by asap on March 1, 2019

one more question...Would it be a good idea to open American fast food restaurants in Disney parks overseas selling the same kind of food sold in U.S. parks? My answer is YES, because it lets different countries try the American food, and our culture as

12. ## World History

In China, the rise of the idea of a new Buddha who would inaugurate a golden age and give power to his followers led to A. a resurgence in the power of Confucian elites. B. the rise of the Ming dynasty. C. the rise of the Yuan dynasty. D. a revolution in

asked by kim on June 18, 2013
13. ## Physics Problem 6.20

The center of a 1.40 km diameter spherical pocket of oil is 1.50 km beneath the Earth's surface. Estimate by what percentage g directly above the pocket of oil would differ from the expected value of g for a uniform Earth? Assume the density of oil is

asked by Michael Moskvich on April 4, 2010
14. ## Maths

Sophie borrowed \$2000 at a simple interest rate of 15% for 3 years to repay the loan and has \$900 in interest. If Sophie's interest was calculated at the same rate on the balance owing, how much would she have owed after 6 months if she repaid \$40 per

asked by Lara on March 17, 2017
15. ## Anatomy

Can someone help me answer these 4 questions I have? Skeletal muscle cell are long and do not branch. Why is this the best structure for this type of muscle? Why does having many long, branched dendrites and axons beneficial for nervous tissue? How does

asked by John on January 22, 2009
16. ## Assistance Dogs

Please check my answer thanks:) After a dog learns to perform a specific task, the task must then be generalized to various locations. The task must then be _______, so that the dog is able to perform the response despite any distractions such as crowds,

asked by Malie on January 7, 2009
17. ## physics

A 1500 kg car is rounding a curve with a radius of 204 meters on a level road. The maximum frictional force the road can exert on the tires of the car totals 4439 N. What is the highest speed at which the car can go to round the curve without sliding?

asked by zach on April 24, 2018
18. ## Physics

A car travelling with constant acceleration increases its speed from 10 m/s to 50 m/s over a distance of 60 m . how long does this take? a. 2 seconds b. 4 seconds . Data : Avg Velocity = 10 + 50 / 2 = 30m/s Distance = 60 meter time = ? Solution : S= V x T

asked by Shahab Mirza on July 12, 2015
19. ## physics

A 1500 kg car is rounding a curve with a radius of 204 meters on a level road. The maximum frictional force the road can exert on the tires of the car totals 4439 N. What is the highest speed at which the car can go to round the curve without sliding?

asked by zach on April 25, 2018
20. ## 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

asked by Amanda and Leah on January 4, 2012
21. ## Psychology 220

1.63 (1 pts.) Robert has a serious drinking problem, but his therapist feels that the drinking is a result of Robert's constant bouts with depression. Based on this information, what would Robert's principle diagnosis be? A) alcoholism B) bipolar disorder

asked by G. KAY on December 9, 2012
22. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 5.591×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by maliya on November 30, 2012
23. ## biology

A person(between 11-17) gets up and goes somewhere after sitting 20 mins in a place then he stops at a place for his work but a blackish region surrounds his face for 5secs and he falls on the ground ?after 10secs he feels that now his brain is ok and he

asked by satyajit on September 14, 2013
24. ## Calculus

a certain radioactive substance is decaying so that at time t, measured in years, the amount of the substance, in grams, is given by the function f(t)=3e^-3t. What is the rate of decay of the substance after half a year: I first found the derivative of

asked by Sara on February 14, 2015

one more question...Would it be a good idea to open American fast food restaurants in Disney parks overseas selling the same kind of food sold in U.S. parks? My answer is YES, because it lets different countries try the American food, and our culture as

26. ## HEALTH

I have to do a project on the bacteria/micro called streptococcus and s the any website that would answer these following questions about it or aleast some? What Microbe? Where Can we See This Microbe? Good or Bad Microbe? Why? How Can We Prevent Disease

asked by HEALTH on October 20, 2012
27. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by Anonymous on December 8, 2012
28. ## Chemistry

Oops I posted the right question but wrong answer options... What mass of propane (C3H8) is needed to produce 346g carbon dioxide in the following reaction? C3H8(g)+5O2(g)->3CO2(g)+4H2O(g) A. 346g C3H8 B. 115g C3H8 C. 5075g C3H8 D. 1.86g C3H8

asked by Amy on August 27, 2013
29. ## Chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2 . The reaction is second order in AhF. The value of the rate constant is 8.591x10-3 M-1s-1. What is the initial rate of reaction in a reactor

30. ## algebra1

the dow jones industrial average (DJIA) reports the average prices of stocks for 30 companies. use the table to determine the DJIA for two dAys. DJIA 1987 ___________________ FRIDAY, OCT. 16 | -108.35 mONDAY, oct 19 | -507.99 answer is 399.64?

asked by alanaR. on August 28, 2010
31. ## Chemistry

Q) Calculate the new molarity of a 35mL sample of 0.450 M CaCl2 solution that is diluted with enough water to make 250 mL of solution. A) M1V1 = M2V2 M1 = 0.450 M2 = ? V1 = 0.035 L V2 = 0.250 L M2 = M1 X V1/V2 0.450 X (0.035L/0.250L) = 0.063 Did I set this

asked by Kishwa on April 1, 2013
32. ## intro to economics

a draft system, whether professional sports or the military, enable those who are hiring to A.avoid paying a living wage B.produce what they produce at a lower cost C.educe the cost of labor D.transfer part of the cost of labor to someone other than

asked by Brittany on October 11, 2010
33. ## Math

I have a question that I answered and I'm not sure that it is right. Here is my question: Use a calculator to help you write the prime factorization of 51,051. Here is my answer: If the sum of the digits of the number is divisible by 3, then 3 is a factor

asked by B.B. on June 22, 2009
34. ## Physics

A 7900 kg truck traveling east at 5 m/s collides with a 1650 kg car traveling 300 south of west at 20 m/s. After the collision at what angle do the two vehicles move. Express you answer in degrees from the positive x-axis. Use a coordinate where north is

asked by Anonymous on July 22, 2015
35. ## physics

The fastest recorded pitch in the MLB was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would falll .809m (2.65 ft) by the time it reached home plate, 18.3 m away (60 ft). The acceleration of gravity is 9.81 m/s^2. How fast

asked by autumn on October 25, 2010
36. ## Chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 8.591x10-3 M-1s-1. What is the initial rate of reaction in a reactor filled

37. ## chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 2.591×10−3 M−1s−1. What is the initial rate of reaction in a reactor

asked by mike on November 29, 2012
38. ## P.E.

From the list below, select the practice considered unsafe A.Determine your ability level by trying an advanced skill B.Do a thorough warm-up prior to starting your dance session C.Know your limitations prior to trying a new dance skill. D.Use a spotter

asked by Eugene on January 9, 2014
39. ## Algebra!!!

Complete this sentence with the correct choice: y = 4 is a horizontal line with ________. undefined slope. a slope of 4. a slope of 0. None of the above will make a true statement. Think this through... If y=4, then x can be any number, but y will always

asked by Margie on November 1, 2006
40. ## math

Is a glass of water equal to 30 grams or 300 grams? http://www.calorie-count.com/forums/post/20619.html A "glass" of water could designate any size. If you mean a cup of water, Lance's answer should be sufficient. I hope this helps a little more. Thanks

asked by dan on April 4, 2007
41. ## Physics

Please help ~ Two blocks are arranged at the ends of a massless string as 3.21 kg (box hanging from table) 4.96 kg (box on table). The system starts from rest. When the 3.21 kg mass has fallen through 0.4 m, its downward speed is 1.27 m/s. The acceleration

asked by CR on February 21, 2011
42. ## Communication

Résumés must be free from typos because employers: A will not hire anyone who cannot type. B assume that someone who is careless with a résumé would be careless on the job. C believe that typos are evidence of alcohol or substance abuse. D will hire

asked by Daniel on October 10, 2010
43. ## statistics

the quality control inspector of a production plant will reflect a batch of syringes if two or more defectives syringes are found in a random sample of ten syringes taken from the batch of two percent defective syringes.what is the probability that the

asked by gaio on December 7, 2010
44. ## algebra

Okay, so I've been stuck on a math question for a while now, and I can't seem to figure it out for the life of me. This is kind of embarrassing, considering it looks so simple, but I keep plugging in so many different numbers with none of them making the

45. ## Social Studies

What significance does October 1 1949 have in Chinese history? a. The Boxer Rebellion was defeated by foreign troops b. The last dynasty ended with the death of its empress c. Mao Zedong declared China "The People's Republic of China"*** d. China ended its

asked by Kaai97 on October 27, 2015
46. ## Biology

I hope you can help me with this question: "Imagine that you go to a party with a friend who starts drinking alchohol.Describe , step by step , the effects to that individual as he drinks more and more alchohol as the evening progresses and the long term

asked by Sara on January 8, 2010
47. ## AP English

The fourth sentence in "A Bachelor's Complaint of the Behaviour of Married People" (I have scarce a married friend of my acquaintance, upon whose firm faith I can rely, whose friendship did not start after the period of his marriage.) is an example of: a.

asked by Sean on April 16, 2018
48. ## psychology

Regarding causes of infertility, it is the case that A irregular or failed ovulation is the most common cause of female infertility B infertility lies in fertility problems of the male partner in about 12% of cases. C endometriosis result from repeated

asked by ourania on December 16, 2008
49. ## Social Studies

What is the purpose of john brown's ferry? A: To steal weapons to use in an uprising against slavery. B: To scare the union to succession C: To protest the passage of the Kansas-Nebraska Act D: To free enslaved people who worked there. Oof help me I

asked by Luna on April 5, 2019
50. ## Math - Derivative of a polynomial function

A flaming arrow is shot into the air to mark the beginning of the a festival. Its height, h, in meters after t seconds can be modelled by the function h(t)=-4.9t^2+24.5t+2 How fast is the arrow traveling when it hits the ground? Explain how you arrived at

asked by Anonymous on October 11, 2010
51. ## American History

Joseph Stalin was motivated to sign a nonaggression pact with Hitler. A,the Soviets’ need for economic and military aid B.Stalin’s desire to gain control of Eastern Europe c.Stalin’s sense that he needed to preempt a Nazi invasion. D.The need for an

asked by Angie on April 17, 2016
52. ## statistics

According to the book Are you Normal?,40% of all US adults try to pad their auto insurance claims to cover their deductible. Your office has just received 128 in insurance claims to be processed in the next few days, what is the probability that fewer than

asked by Lauren on October 5, 2012
53. ## Physics

The system shown in the ﬁgure is in equilibrium. A 15 kg mass is on the table. A string attached to the knot and the ceiling makes an angle of 54◦ with the horizontal. The coeﬃcient of the static friction between the 15 kg mass and the surface on

asked by Hardy on November 1, 2012
54. ## English

I forgot to include the following sentences. Thankk you. 1) You changed very little from the notes I gave you on photocopy. You can’t include everything. Select the information you really need to answer the questions and try not to exceed the ten lines.

asked by Henry1 on April 29, 2011
55. ## social studies; AP US

President McKinley justified American acquisition of the Philippines primarily by emphasizing that a. the Filipinos wanted to be annexed by the United States b. the electoral success of the Republican party depended on their acquisition c. there was no

asked by casey on January 19, 2009
56. ## writing

what does it mean when it asks if you qualifed any generalization in your essay It is asking you to provide details (data, specifics) to prove that the generalization is true or reasonably true. =) thank you does the same thing apply when it asks for

asked by patti on February 1, 2007
57. ## Science

A person roller skates down a street heading West. What is true about friction in this case? the choices are 1- does not effect the skates 2- pulls the skates eastward 3- pulls the skates downward toward the center of the earth 4- pulls the skates westward

asked by steve on May 20, 2014
58. ## Chemistry

Suppose you have a supply of the following metals: Fe, Ni,Sc, Cr, Au, K. Which of there could be mixed to make substitutional alloys? Which metals are incompatible for this purpose. Clearly explain why there metals would be incompatible. I am unsure about

asked by Lindsey on February 10, 2012
59. ## Art

In addition to skills in creating art, which type of knowledge is important for art therapists to have to successfully perform their jobs? A. knowledge of physical therapy. B. Knowledge of psychology. C. Knowledge of teaching strategies. D. Knowledge of

asked by Summer on April 14, 2015
60. ## Science

A person roller skates down a street heading West. What is true about friction in this case? the choices are 1- does not effect the skates 2- pulls the skates eastward 3- pulls the skates downward toward the center of the earth 4- pulls the skates westward

asked by steve on May 19, 2014
61. ## Language Arts

In which sentence is Exulting used correctly? A. We enjoyed the wedding, exulting in the love of the happy couple. B. The triable people, exulting the hunter with fire power, thought he was a god. C. The exulting rain was pleasant to walk in, even if it

asked by Callie on February 10, 2015
62. ## Pre-Calculus

Solve 0 = 3x^2 + 5x -1 by completing the square. Express your answer as exact roots. 3(x^2 + 5/3 + 25/36) = -1 (x+ 5/6)^2 = 37/36 sq root( x + 5/6)^2 = sq root (37/36) x + 5/6 = +- sq root 37/6 x = -5/6 +- square root 37 /6

asked by Lucina on March 26, 2015
63. ## Calculus

If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the water is 4 cm deep? r = 6 cm h = 9 cm V = 1/3(pie) r^2 x h V = (pie)r'h + 1/3 (pie)r^2 h' 6 / 9 = r / h 6h = 9r r = 3 / 4.5 h V

asked by Katie on February 6, 2011
64. ## Math

I just need help setting up the equations . I dont know if they are asking to find cans or weeks. Students in the Healthy Planet Club at Eagle High School are collecting aluminum cans as part of a community cleanup project. Together, the 9th graders and

asked by Jay on November 9, 2018
65. ## help plz

Which statement is NOT a requirement for an adequate definition? A}A definitinshould not be expressed in the negative B}A definition should be complex. C}A definition should use a noun, a verb to define a verb,etc. D}A definition should not give an opinion

asked by laura on February 5, 2010
66. ## math

Please help me with this problem: Jhon missed 5 points out of 100 points on his math test. What decimal number represents the part of his math test he answered correctly? my answer is 0.95. my work: 100-5=095

asked by Anonymous on September 17, 2014
67. ## Social Studies

Islam spread quickly due to : Good roads Musilims who were expert traders and traveled widely. People making pilgrimages to Mecca. Is the answer people making pilgrimages to Mecca?

asked by Tyler on April 20, 2008
68. ## chemistry

Read the Bead Bar Consultant information on p. 86 of your text. Select two executives from the Bead Bar and imagine that you are acting as an IT consultant for them. What software solutions would you recommend to your executives based on their needs?

asked by Anonymous on June 27, 2008
69. ## physics

A hot air balloon is traveling vertically upward at a constant speed of 3.9 m/s. When it is 10 m above the ground, a package is released from the balloon. After it is released, for how long is the package in the air? The acceleration of gravity is 9.8 m/s

asked by Anonymous on November 22, 2011
70. ## physics

A rock is dropped off of a bridge into the water below. If the initial velocity was zero, and the well is on Earth (g = 9.8 m/s2), and you see the splash 4.59 seconds after the rock was dropped, how high was the bridge above the water? Give your answer in

asked by Anonymous on February 26, 2014
71. ## physics

a) What is the minimum work needed to push a 900 kg car 410 m up a 17.5° incline with zero friction? If i know this answer is 1.08e6 what equation should i use for the next part because the one i used was wrong (b) What is the minimum work needed if the

asked by bill lin on March 1, 2011
72. ## Physics

A cargo barge is loaded in a saltwater harbor for a trip up a freshwater river.If the rectangular barge is 3.00m by 20.0m and sits 0.900m deep in the harbor, how deep will it sit in the river? answer in meters

asked by SB on November 12, 2009
73. ## Chemistry

Assume the diameter of a neutral helium atom is 1.40 x 10^(2)pm. Suppose that we could line up the helium atoms side by side in contact with one another. How many atoms would it take to make the distance 5.80 cm from end to end? How do I solve this, and

asked by Cassidy on September 8, 2012
74. ## math, algebra

can someone explain to me this please.... What is the difference between ax^2+bx+c and ax^2+bx+c=0 One is an expression and the other is an equation. (An equation uses an equals sign.) I hope this helps and is what you were asking. well you got to equal it

asked by jas20 on February 24, 2007
75. ## Math

The cost for a 30-second ad during the 2010 Super Bowl was \$2.8 million. Assuming the rate per second to be constant, what was the average cost per ad that was broadcast during the Super Bowl in 2010? Express your answer as a whole number to the nearest

asked by Bria on February 13, 2011
76. ## physics

The height of the Washington Monument is measured to be 170 m on a day when its temperature is 35.0°C. What will the change in its height be on a day when its temperature falls to -12.0°C? Although the monument is made of limestone, take the thermal

asked by angela on December 6, 2013
77. ## Chemistry

If 0.250 moles of NaOH are dissolved in 125g of water, what is the %m/m of NaOH in this solution? I converted 0.250 mol to 10.0 g. Then using the equation mass solute/mass solution * 100 I came up with the final answer of 7.41 %m/m. Is that correct?

asked by Jen on April 29, 2008
78. ## criminal justice

Police are what to the criminal justice process? Good question, I'm curious too. Good luck getting an answer! I imagine that you could call them the "mentors". The see that the rules are followed. Police enforce the laws of the criminal justice system.

asked by kim on February 22, 2007
79. ## english

Correct the errors in dangling and misplaced modifiers by rearranging or rewriting the following sentence. 11. Squeezing the can, tomatoes didn't seem ripe to DeeDee To DeeDee spueezing the can tomatoes didn't seem ripe. can you check my answer

asked by Anonymous on September 24, 2012
80. ## computers

why do we need computer ethics? Why should we need ethics at all? The next question is why should computers change that? that doesnt answer me question Actually, it does. Think. Are you clear on the meaning of the word "ethics"?

asked by Nilo on February 14, 2007
81. ## math

Last year a large trucking company delivered 3.0*10^5 tons of goods with an average value of \$30,000 per ton. What was the total value of goods delivered? Write the answer in scientific notation. A. 9.0*10^11 dollars B. 9.0*10^8 dollars C. 9.0*10^9 dollars

asked by Ally on March 4, 2019
82. ## math

How many gram of sodium fluoride should be added to 100000 liter of drinking water containing 0.6 ppm of sodium fluoride to provide a recommended concentration of 1.75 ppm? Answer is 115 grams. I keep getting .115 g What am I doing wrong? Please help.

asked by Jessica on May 12, 2016
83. ## Chemistry

The following rearrangement reaction is first order: C3H6 ¨ CH3CH=CH2 The rate constant for this reaction is 6.7 ~ 10−4. How many minutes will it take for the concentration of C3H6 to drop to 11.75% of its initial value? How do I calculate this step

asked by Alex on March 20, 2011
84. ## Math

In 2001, credit card companies mailed 5 billion credit card applications to 262 million people. On average, how many applications were mailed to each person? Express your answer to the nearest whole application.

asked by Noah on November 30, 2009
85. ## math-calculus

i did this question long time ago and i realize today that at back of book answer be different. write the following absolute value functions as piecewise functions. g(x) = |x+1| positive be x+1 negative be -(x+1) but in back of book it says negative one be

asked by Shreya on January 16, 2012
86. ## Chemistry

How many grams of calcium phosphate (precipitate) could be produced by combining 12.096g of calcium nitrate dissolved in water with 16.498g of rubidium phosphate dissolved in water? Report your answer to 3 decimal places.

87. ## chemistry

Most Soluble compound CuS, Ksp = 1.27 x10^-36 PbS, Ksp = 9.04 x 10^-29 AgCl,Ksp = 1.77 X 10^-10 AgI, Ksp = 8.51 x 10^17 My book states that AgCl is insoluble in water and so are MOST phosphates and Sufides, So am I reasonable to say that AgI is the answer

asked by Sarah on November 12, 2011
88. ## Math

Trains A & B are traveling in the same direction on parallel tracks. Train A is going 60mph and Train B at 80mph. Train A passes a station at 6:25 am. If Train b passes the same station at 6:37, what time will B catch up with A? The answer I received is:

asked by Richard on April 7, 2010

1) In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except a) the vapor pressure b) the boiling point c) the freezing point d) the triple point I chose the boiling point as the answer. Is

asked by Hannah on February 10, 2012
90. ## Algebra

7. Johnny needs to save \$24.00 to buy a new video game. Three weeks after saving, he has \$6.00. After 6 weeks, he has \$12.00. If Johnny continues to save at this rate, how many total weeks will he have saved money to reach his goal? The answer I got was 12

asked by mysterychicken on April 19, 2010
91. ## Earth Science

Why is it generally warmer in a rural area than in an urban area? I have a question: How does the earth's surface heat up or cool down? My answer: the sun heats up the earth darker surfaces are warmer than cooler surfaces. Please help.

asked by Lori on December 19, 2007
92. ## math

The school parking lot had room for thirty cars. If all the spaces except six were filled, what fraction of the parking lot was in use? If Mrs. Johnson parks in one of the empty spaces, how does the fraction change? Please answer and explain.

asked by Anonymous on April 3, 2013
93. ## Geometric series - Check my answer

What is the first term in a geometric series with ten terms, a common ratio of 0.5 and a sum of 511.5? I got 256 as my answer. 511.5=a1[1-(.5)^10]/1-1/2 511.5=a1(1023/1024)/1/2 511.5=a1(1023/512) ----> divide by both sides 256=a1

asked by Robo123 on December 11, 2010
94. ## if you're in the mood for riddles

The riddle forum is back up: http://www.jiskha.com/net_riddle There are some truly clever riddles being posted. The following is one of my favorites. Try not to scroll down because then you'll see the answer(s):

asked by Leo on April 11, 2007
95. ## Science

Which of the following is the safest place to be during an earthquake? under a very strong table In a basement In a large truck Under a car I have never been in an earthquake, but I have been in a tornado. I hid in a basement, but tornadoes aren't

asked by Anna-Belle on January 24, 2018
96. ## physics

A bird is ﬂying with a speed of 19.0 m/s over water when it accidentally drops a 2.50 kg ﬁsh. The acceleration of gravity is 9.81 m/s^2 If the altitude of the bird is 9.00 m and air resistance is disregarded, what is the speed of the ﬁsh when it hits

asked by kyle on November 28, 2012

You want to make an investment in a continuously compounding account earning 1.2% interest. How many years will it take for your investment to double in value? Round the logarithm value to the nearest thousandth. Round the answer to the nearest year. I got

asked by Anonymous on December 17, 2014
98. ## physics

A bird is flying with a speed of 12.0 m/s over water when it accidentally drops a 2.30 kg fish. The acceleration of gravity is 9.81 m/s2 . If the altitude of the bird is 8.20 m and air resistance is disregarded, what is the speed of the fish when it hits

asked by Michael on January 10, 2011
99. ## Math

If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, use the 68-95-99.7 rule to approximate the percentage of light bulbs having a life between 2000 hours and 3500 hours? A. About 13.5% B.

asked by angela on May 4, 2016
100. ## precalculus

Is this right? Convert the polar coordinate (-14, 5pi/3) to rectangular form. Does it mean rectangular coordinates and if so can you check my work? answer: r=-14 theta=5pi/3 x=-14 cos 5pi/3 x=-14(0.5) x=-7 y=rsintheta y=-14 sin 5pi/3 y=-14(-0.866) y=12.124

asked by Anonymous on December 12, 2016