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

143,010 questions, page 941
1. ## Trig

I have no idea how to do this problem From an airplane flying 2 kilometers aboce the ocean, a piolet sees two ships directly to the east. The angles of depression to the ships are 8 degrees 20 minutes and 75 degrees 40 minutes how far away are the ships? I

asked by Trig on September 11, 2009
2. ## 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 January 28, 2010
3. ## Chemistry

The boiling point of an aqueous solution is 102.16 C. What is the freezing point? Dr. Bob, If you happen to answer this question, I was the one that a question earlier about how to know what Kf constant to use [water vs benzene?] and i didn't notice that

asked by Tracy on February 17, 2012
4. ## math

Please on this question I know I divide but do I do them one at a time or all together. Hamster is 8%, fish 12% and dogs are 23%. I added them together and got 0.43%. The question is- The citizens of a certain community were asked to choose their favorite

asked by mary ann on January 15, 2015
5. ## 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 January 29, 2010
6. ## Finance

Bread, Inc., has an odd dividend policy. The company has just paid a dividend of \$6 per share and has announced that it will increase the dividend by \$4 per share for each of the next five years, and then never pay another dividend. If you require an 11

asked by Erika on July 30, 2010
7. ## English

Today's immigrants have both an easier and a more difficult life than Jimenez and his family. what is one way life is more difficult? a access to health care b crossing the border from Mexico c getting children enrolled in school Jimenez and his family

asked by Rainbow on July 3, 2010
8. ## chemistry

calculate the mass of NaOH neded to prepare 500mL of a 0.10 M solution. I'm pretty sure the answer is 2g, but how do I get to that? Another question: calculate the molar amount of KHP used to neutralize the NaOH solution. .51 g of KHP was added to 50 mL of

asked by Rebecca on October 14, 2007
9. ## Chemistry

(a) What type of ion chromatography (cation or anion) will you use to separate the following ions: Cu2+, Fe3+, Ag+ and Na+ . I'm having trouble here as I know that in elution chromatography they use like charges to separate ions, but is that the same case

asked by Jacob on February 2, 2015
10. ## Civics

The president signs a new bill into law. Some people believe the new bill is unconstitutional. According to the system of checks and balances, what can be done? 1. The Supreme Court can enact a new law to cancel the old. 2. The country can vote to overturn

asked by Emma on September 28, 2018
11. ## chemistry

A 250.0 mL sample of an aqueous solution at 25 degrees Celsius contains 35.8 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 11.25 mmHg, what is the molar mass of the unknown compound? a.) 237 g/mol b.) 484 g/mol c.)

asked by Bru on October 2, 2012
12. ## Art

Thank you very much, Writeacher. 1) Can you help me find online exercises on sentence connectors (expressing addition, contrast, etc). I need my students to practise how to write a cohesive paragraph (including an introduction and a conclusion). By the

asked by Franz on June 3, 2012
13. ## Math

4. Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by

asked by Sue on March 31, 2014
14. ## Socials

In what ways did the Conferences reflect Victorian social values and beliefs? In ur answer, consider the roles that women and Native people were allowed to play in the negotiations. The women were a force that helped to build a sense of communal solidarity

asked by Sara on March 14, 2011
15. ## History

The women's suffrage movement during the progressive area ..... A. Did little to impact the modern protest movement for women's rights B. Discouraged women from entering the labor force for WW1 until they received the right to vote C. Resulted in the

asked by Anonymous on August 23, 2018
16. ## psychology

In a study, a few students did the number Stroop and color Stroop. They showed much less interference on the numbers than they did on the color task. Why does this make sense? Please check these sites. If you post your answer, we'll be glad to comment on

asked by jason on March 6, 2007
17. ## Geology

One of the curious things about the loss of life in regions surrounding the Bay of Bengal is that some 38,195 lives were lost in Sri Lanka, whereas only 2 lives were lost in Bangladesh. How could this be? It certainly couldn’t be the difference in

asked by Anonymous on February 27, 2010
18. ## Physics

Suppose you measure a standing person's blood pressure by placing the cuff on his leg 0.580 m below the heart. Calculate the pressures you would observe if the pressures at the heart are 121 over 80 mm Hg. Assume there is no loss of pressure due to

asked by Kenzie on November 16, 2015

Date|Units Purchased|Cost Per Unit January1| 10| 8.00 (Beginning inventory) January18| 50| 9.00 February20| 20| 11.00 March15| 10| 12.00 (Ending inventory: 19) The specific identification method indicates the following units to be on hand: January 1, (2);

asked by TheRealPrincess on December 9, 2016
20. ## chem

A voltaic cell consists of a strip of cadmium metal in a solution of Cd(NO3)2 in one beaker, and in the other beaker a platinum electrode is immersed in a NaCl solution, with Cl2 gas bubbled around the electrode. A salt bridge connects the two beakers.

asked by sarah on April 13, 2013
21. ## Comprehension

To see the outline of a building as its shadow is cast on the lawn of a park is always amazing to see. When the sun rises perfectly centered at the end of an avenue lined with beautiful buildings, it can make a person stop dead in their tracks to admire

asked by deyond ng on March 15, 2017
22. ## Chemistry

When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 112C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to significant

23. ## grammar

please correct this sentence: A)HOPEFULLY, we B)WILL BE able to complete the building C)BEFORE the rainy seas sets D)IN. E)NO ERROR i already know the answer is A, but i'm not sure why. can u please explain, thanks. I believe the writer means when the

asked by Christine on July 19, 2005
24. ## Physics

During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far will the pair slide after the “collision” if the coefficient of kinetic friction between the ice and their skates is .042? My

asked by Mike on November 23, 2010
25. ## Pre-writing skills

Advertising. I know I have to write about advertising. What do I know about advertising? I know you have to market a product to a specific audience. Advertising is used to sell things like soft drinks or cars. I think I need to narrow down my choices of

asked by Steve on April 3, 2018
26. ## science

An electron is moving in one dimension (x)subject to the periodic boundary conditions that the wave function reproduces itself after a length L(L is large_ a)add a perturbation V(x)=ecos qx where qL=2piN (N is large integer) recalculate the energy levels

asked by vijaya on July 31, 2008
27. ## Us history

What happened at the demonstrations in albany,georgia and birmingham and talk about the role of young people...i don't rly want an answer talking bout all 3 but like a summary of them thanks Check out these sites for information about the protests in

asked by Phil on April 26, 2007
28. ## Texas Government

The Defense of Marriage Act a. is a federal law that bans same-sex marriage. b. accords states the legal authority to not honor same-sex marriages performed in other states. c. was found unconstitutional by the Supreme Court for violating the full faith

asked by HM on November 23, 2011
29. ## question

Mini Makers, a small manufacturer of action figures, is formulating a budget for next year's promotional activities. The company decides to budget \$50,000 for promotional expenses (an amount equal to its nearest competitor's allotment.) Mini Makers is

asked by matt on November 10, 2014
30. ## chemistry lab

please help its due at 5 When 0.671 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 109C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay

asked by tweety on February 23, 2009
31. ## Physics

You pushed a 1 kg box on floor where= 0.3. If the force you applied was 5 N, will the box move? m = 1kg u= 0.3 Fapp= 5 N Ff= (0.3)(1) (9.81) Ff = 2.943 N So therefore the box would move because the frictional force is less than the applied force. Did I

asked by Lena on April 16, 2009
32. ## English

1. Which line from the poem “Wave” best develops its tone? Wave My child (line 1) Born to me by water (line 2) And by water (line 3) Swept away. (line 4) (1 point) a) line one b) line two c) line four d) line three My Answer: B Could someone please

asked by ρσяк on January 22, 2018
33. ## Physics

1. What is (a)the magnitude of the electrostatic force on a 10 microCoulomb charge located at the origin due to a 3 microCoulomb charge located at 1,-2? (b) What is the force on the 3 microCoulomb charge? Write your answer in component notation.

asked by Heather on October 4, 2010
34. ## science

you and a child are on skates and you give each other a push. if the mass of the child is half your mass, who has the greater acceleration? by what factor? i know it is the child but im not sure about the factor. im pretty sure the answer has something to

asked by Cowgirl on October 17, 2011
35. ## MATH

Jason remembers nine digits of a ten digit phone number. He remembers that the last digit is an even number. If he guesses that last digit, what is the probability that he dials the correct number? My answer: 1/5 probability

36. ## Physics

1. What is (a)the magnitude of the electrostatic force on a 10 microCoulomb charge located at the origin due to a 3 microCoulomb charge located at 1,-2? (b) What is the force on the 3 microCoulomb charge? Write your answer in component notation.

asked by Heather on October 4, 2010
37. ## Math I NEED HELP!!!!!!

During each hour of exercise, Matthew drinks 1 2/3 cups of water. Matthew exercised for 14 hours this month. How many cups of water did he drink while he was exercising this month? I think the answer is 32+2/3, or 11 1/3 cups of water.Is that right?

asked by Sophia:-) on April 2, 2018
38. ## Physics

1. What is (a)the magnitude of the electrostatic force on a 10 microCoulomb charge located at the origin due to a 3 microCoulomb charge located at 1,-2? (b) What is the force on the 3 microCoulomb charge? Write your answer in component notation.

asked by Heather on October 4, 2010
39. ## math

To make the punch, the staff adds 250 milliliters of fruit juice for every 5 liters of punch. How many liters of fruit juice would be added to 20 liters of punch? Please answer and explain.

asked by Anonymous on May 21, 2013
40. ## Physics

Three point charges, +6.7e-6, +2.5e-6, and -3e-6, lie along the x-axis at 0 cm, 2.4 cm, and 5.7, repectively. What is the force exerted on q1 by the other two charges? (to the right is positive) . The coulomb constant is 8.99*10^9 N*m^2/C^2 What is the

asked by Justin on May 1, 2012
41. ## scinec

We measure the distance between stars in light years. A light years is the distance that light travels in one years (about 6 trillions miles). a) true b) false Just need to know if my answer or right or wrong. Thanks! :) true

asked by ant on August 18, 2010
42. ## science

The gravitational force of the Earth in relation to the gravitational force of everything else on Earth represents a(n) _____ that causes everything to all toward the center of the earth. Is the answer unbalanced force; balanced force; centrifugal force;

asked by Ann on November 3, 2009
43. ## Chemistry

The heat of fusion of water is 6.01 kJ/mol. The heat capacity of liquid water is 75.3 J/mol • K. The conversion of 50.0 g of ice at 0.00°C to liquid water at 22.0°C requires how much kJ of heat? Can someone explain how to do this, I tried but keep

asked by Anonymous on September 20, 2010
44. ## math

line xy is translated 3 units to the left. if a point on line xy is located at (2,11), where would the equivalent point be on line X and Y prime? a)(2,14) b)(2,8) c)(-1,11) d)(5,11) I think the answer is c. What I did is move the point 3 units to the left

asked by robert on January 31, 2008
45. ## chem

Which of the following pairs of substances, when mixed in any proportion you wish, can be used to prepare a buffer solution? 1)NaCN and NaOH 2) HCl and NaOH 3) HCN and NaOH 4)HCl and NaCN 5) NaCN and HCN is the answer 1 and 5??

asked by Rachel on April 9, 2011
46. ## Algebra 2

Which describes the number and type of roots of the equation x^3 - 4x^2 + 50x + 7 = 0? a. 1 positive, 2 negative b. 2 positive, 1 negative c. 3 negative d. 3 positive I know I asked this before but I'm going over it and I don't understand it. I got help

asked by huncho jack on January 31, 2018
47. ## science

you and a child are on skates and you give each other a push. if the mass of the child is half your mass, who has the greater acceleration? by what factor? i know it is the child but im not sure about the factor. im pretty sure the answer has something to

asked by Cowgirl on October 17, 2011
48. ## precal

The smaller of 2 numbers is 10 less than 4 times the greater number. The bigger number is 19 more than the smaller one. If x is the smaller number one equation is: a)x+y=19 b)x=19-y c)y=x+19 d)x=y+19 I'm almost positive it is c I just want to check. A

asked by eragon on January 17, 2007
49. ## math

emma made a rectangular picture frame with a heigth of 25 5/6 inches. The frame is 5 2/3 inches wide. What is the hieght of the picture emma placed in the picture frame? explain how you found your answer?

asked by sarah on February 12, 2018
50. ## aig math(Ms.Sue)

Both Todd and Zack earn the same salary. Todd spent \$716 and Zack spent \$128. Then Zack had 4 times the amount of money Todd had left. How much is their salary? Please tell me how and what your answer is?

asked by May on January 24, 2013
51. ## physics help

A ski gondola is connected to the top of a hill by a steel cable of length 680 m and diameter 1.7 cm. As the gondola comes to the end of its run, it bumps into the terminal and sends a wave pulse along the cable. It is observed that it took 15 s for the

asked by Anonymous on April 27, 2010
52. ## Chemistry

At STP potassium chlorate (KClO3) decomposes to produce solid potassium chloride (KCL) and oxygen gas (O2) according to the balanced chemical equation: 2KClO3(s)->2KCl(s)+3O2(g) What volume of oxygen gas, measured at 40 degrees celsius and 85.4 kPa, will

asked by Abby on April 11, 2016
53. ## AP CHEMISTRY NEED HELP PLEASE!

Calculate the enthalpy of combustion of C3H6: C3H6 (g) + 9/2 O2 (g) yield 3CO2 + 3H2O using the following data: 3C (s) + 3H2 (g) yield C3H6 (g) change in H= 53.3 kJ C(s)+O2 (g) yield CO2 (g) change in H= -394kJ H2 (g) + 1/2 O2 (g) yield H2O (l) change in

asked by Mandy on January 24, 2012
54. ## teaching in early chldhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set.

asked by Melinda on August 23, 2014
55. ## English

Stressed and Unstressed Syllables. Hello, I've seen the previous threads about this, I'm doing the same exercise, but there are no convincing answers anywhere... So there are the instructions : Task 4 – Say each of the following sentences and then

asked by Leeroy on January 25, 2011
56. ## Chemistry

A spark plug fires before the gases in a cylinder are fully compressed. How will the engine be affected? A. The engine will get better gas mileage as less fuel is burned during each cycle. B. There will be fewer pollutants as the fuel has more time to

asked by Cortney on March 23, 2015
57. ## Chemistry

The question on one of my assignments says, "Explain why a thick layer of ice on the lake can support the weight of a person, but the liquid water cannot." I would assume it's because solids are solid and liquids are liquid, but I feel like they want a

asked by Sarah on December 12, 2017
58. ## teaching in early childhood programs

A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set.

asked by Diana on September 7, 2014
59. ## math

charge account with MasterCard. Her credit limits is \$ 1,000, but she not charged that much since opening the account. Nancy hasn't had the time to review her monthly statement promptly as she should, but over the upcoming weekend she plans to catch up on

asked by Peter on June 28, 2014
60. ## physics

Question 01: 2.0g of Nitrogen gas is at 270C in a fixed volume. If 20% of its total internal energy is due to rotation what is the average velocity of nitrogen molecules? What will be the temperature 2.0 g of Helium gas in a fixed volume if the average

asked by hash on February 12, 2017
61. ## English

Can someone check my my post? Thank you very much in advance. Franco At the end of the 19th century and the beginning of the 20th century, millions of people emigrated to the USA as they wanted to escape from poverty, unemployment, and political and

asked by Franco on January 7, 2015
62. ## Science

How might creativity help a scientist? a)creativity allows a scientist's findings to be trusted. b)Creativity alllows a scientist to develop new ideas or evaluate old ideas in a new way. c)Creativity assures that the scientist has a sense of right and

asked by G on August 22, 2014

7. The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during

asked by Tikima on March 24, 2014
64. ## ****HELP**** STATISTIC

The table below shows the probability distribution of the types of food purchased by students from the school cafeteria. What is the probability a student has purchased Caesar salad? (2 points) 0.17 Suppose houses are available for purchase during

asked by Tikima on March 25, 2014
65. ## physics

An alpha particle, the nucleus of a helium atom, is at rest at the origin of a Cartesian coordinate system. A proton is moving with a velocity of v towards the alpha particle from the positive x axis direction. If the proton is initially far enough away to

asked by alexis on September 29, 2008
66. ## Math

Quick question for yous: Does .9999 repeated = 1? yes? If the number is to be rounded, yes, it is 1 but if not, then the answer is 0.9999999999999999999999999999999999999999? depending upon the precision you are allowed to have with significant figures. I

asked by Smitty on April 25, 2007
67. ## History

Why were the imperialists interested in Jamaica in the 19th or early 20th centuries? Which imperialist country exerted the greatest influence on the areas? How did it exert that influence? If you can answer these questions, help me with my research

asked by Jalisa on May 15, 2011
68. ## Chemistry

I have two substances potassium sulfate and potassium carbonate. They are unlabelled and I need to know which one is which. If I add HCl to each substance ie K2SO4(s) + 2HCl(aq)-->2KCl(aq) + H2SO4(aq) K2CO3(s) + 2HCl(aq)--> 2KCl(aq) + H2O(l) + CO2(g) What

asked by Fiona on April 24, 2007
69. ## Math, Psychology

Can anyone tell me what should be the answer to this question? What term is being described: Choose from these answers: (A)Central Limit Theorem (B)Normal distribution (C)Standard Error (D)Z-score (E)Transformation rules 1) If you keep taking more and more

asked by Anonymous on April 24, 2015
70. ## Physics

To store the energy produced in 1.5 hour by a 160 MW (160 10^6 W) electric-power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Assume the upper reservoir is 500 m above the lower and we can neglect the

asked by Emily on October 11, 2010
71. ## Damon check step by step

25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of N/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in the sample

asked by Fai on January 2, 2014
72. ## Chemistry

A student places 5.77 grams of wex (a mythical substance often burned for light on other planets) in a test tube and then melts it. When the wex starts to freeze, the test tube (with the wex) is put into 237.6 g of water at 34.7oC. If the final temperature

asked by Kat on May 3, 2011
73. ## Precalc

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

asked by Lily on November 21, 2014
74. ## history

The 1978 Supreme Court decision in Bakke v. Regents of the University of California A. established the "red state-blue state" divide. [B. ruled against the principle of affirmative action.] C. established the rights of students to appeal college admissions

asked by jake on December 12, 2011
75. ## chemistry

Acetyl chloride is a colorless, fuming liquid used primarily in the chemical industry. a)How is acetyl chloride produced? If 915 gallons is produced and shipped, will DOT require the carrier to display the FLAMMABLE placard? Explain your answer. b)When

asked by Cameron on December 10, 2012
76. ## history

The 1978 Supreme Court decision in Bakke v. Regents of the University of California A. established the "red state-blue state" divide. [B. ruled against the principle of affirmative action.] C. established the rights of students to appeal college admissions

asked by jake on December 12, 2011
77. ## Grammar

The patient's facial lacerations were anesthetized with 1% Xylocaine, prepped with Betadine, and subsequently closed with a total of eleven 6-0 Prolene sutures, the patient was given a wound care sheet and advised to have sutures removed in 5 days.

asked by Leslie on May 9, 2011
78. ## Physics

The power radiated by the sun is 3.90 1026 W. The earth orbits the sun in a nearly circular orbit of radius 1.50 1011 m. The earth's axis of rotation is tilted by 27° relative to the plane of the orbit (see the drawing), so sunlight does not strike the

asked by Elizabeth on March 26, 2013
79. ## Chemistry/Math

I went to my teacher numerous times. I'm still not using the right formulas or equations. Please help. A commonly used rule of thumb is that average velocity in a pipe should be about 1 m/s or less for "thin" (viscosity about water). If a pipe needs to

asked by Angie on September 4, 2012
80. ## Chemistry

C7H6O3+CH3OH→C8H8O3+H2O In any experiment, 1.50g of salicyclic acid is reacted with 11.20g of methanol. The yield of methyl salicylate, C8H8O3, is 1.31g. What is the percent yield? From my understanding the equation is already balanced, correct? My

asked by Molly on April 14, 2010
81. ## English

Thousands at His bidding speed And post o'er land and ocean without rest: They also serve who only stand and wait." God sends angels to whisper His will into people's ears. A person who does not dream of greatness cannot have faith in God. A person does

asked by Steve on October 28, 2017
82. ## math

the number of furlongs in a league. apparantly there are 8 furlongs in a mile, i learned this just today on my ride home form school. I hope this helps. go to www.google.com and type in 1 furlong to league and hit search. The answer will pop up at you.

asked by christina on October 25, 2006
83. ## eth125

1. Post your responses to these questions: How well do you think Native American organizations, like the Bureau of Indian Affairs (BIA), the National Congress of American Indians (NCAI), and the National Indian Gaming Association (NIGA), are helping Native

asked by Anonymous on April 22, 2008
84. ## Math Help- Gr12

The relation between the # of time in days, D, it takes for a planet to revolve around the Sun is related to the planer's average distance from the Sun, k, in millions of kilometres is defined by log D= 3/2logk-0.7 . How much longer does it take Mars than

asked by Mai on January 18, 2010
85. ## civics

John knows many people who feel that small business need more support from the government. They support tax break and other benefits for small business owners. Which of the following best describes the most effective type of action these people could

asked by StUdent on May 30, 2015
86. ## Chemistry

estimate Delta H for the following reaction C2H4 (g)+3O2(g)→2 CO2(g)+2 H2O(g) So we have (4) C-H bonds and (1) C=C bond or (H = 4*414 + 615= 2271) For oxygen, (3) O=O bonds or (H = 3*502=1506) 2CO2 is (2) O=C=O (H=730*4=2920) 2H2O is (2) H-O-H or

asked by Anon on December 7, 2014
87. ## Physics

Boxes are moved on a conveyor belt from where they are filled to the packing station 11.3m away. The belt is initially stationary and must finish with zero speed. The most rapid transit is accomplished if the belt accelerates for half the distance, then

asked by Francis on December 30, 2016
88. ## Algebra 2

If an object is thrown vertically upward with an initial velocity of v, from an original position of s, the height h at any time t is given by: h=-16t^2+vt+s (where h and s are in ft, t is in seconds and v is in ft/sec) If a rock is dropped from the top of

asked by Nancy on April 27, 2012
89. ## Chemistry

estimate Delta H for the following reaction C2H4 (g)+3O2(g)→2 CO2(g)+2 H2O(g) So we have (4) C-H bonds and (1) C=C bond or (H = 4*414 + 615= 2271) For oxygen, (3) O=O bonds or (H = 3*502=1506) 2CO2 is (2) O=C=O (H=730*4=2920) 2H2O is (2) H-O-H or

asked by Mahnoor on December 7, 2014
90. ## PHYSICS ---HELP!

To store the energy produced in 1.5 hour by a 160 MW (160 10^6 W) electric-power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Assume the upper reservoir is 500 m above the lower and we can neglect the

asked by mike on October 10, 2010
91. ## Stats- Two-tailed test

A researcher is conducting a matched-pairs study. She gathers data on each pair in the study resulting in the table below. Assume that the data are normally distributed in the population. Pair Group1 Group2 1 10 12 2 8 9 3 11 11 4 8 10 5 9 12 a) At 10%

asked by Thara on June 12, 2011
92. ## physics

A combination of .403 kg of water at 45.1 C, .471 kg of aluminum at 41.1 C, and .307 kg of copper at 50.4 C is mixed in an insulated container and allowed to come to thermal equilibrium. Determine the final temperature of the mixture. Neglect any energy

asked by brandon on February 13, 2011
93. ## Math

Ok I'm on castle learning and for homework this weekend we have to do #1-4 (assignments) that is due on Saturday @ midnight because that the time it will close and I need help on this question. My assignment is: Math 7 (Q1) Assign #2 - Fractions (i already

asked by Laruen on November 12, 2011
94. ## Science

Koalas, which are native to Australia, primarily eat the leaves of the eucalyptus trees in which they live. Which of the following would happen to koalas if people destroy their habitats in order to build houses? a.)The koala population would increase

asked by Anonymous on January 10, 2014
95. ## History

Explain the different functions of the aerospace centers in Houston and Cape Canaveral. I think this is the answer, can somebody please double check it. ***In Houston, Texas, the Lyndon B. Johnson Space Center is a place where visitors can see the history

asked by Sierra on May 2, 2019
96. ## Social studies

Which effect did European colonization have on Indochina? A. Imperial powers invested in education and technology in the region. B. Imperial powers extracted resources to export for their own financial benefit. C. Indigenous peoples benefitted from new

97. ## Pre-Cal Trig

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

asked by Kendall on November 28, 2012
98. ## Pre-cal

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

asked by Tracey on November 28, 2012
99. ## Pre-Calculus

Two lookout towers are situated on mountain tops A and B, 4 mi from each other. A helicopter firefighting team is located in a valley at point C, 3 mi from A and 2 mi from B. Using the line between A and B as a reference, a lookout spots a fire at an angle

asked by Samantha on November 8, 2015
100. ## Physics

Hi everybody! I need this quick answer, please help! The beam AB in the figure has length 3L and uniform section stiffness EI. The beam is fixed at A(x=0) and loaded by an upward concentrated force, P, applied at its free end B(x=3L). A concentrated moment

asked by carolina02 on August 28, 2016