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

142,296 questions, page 977
1. ## Grammar

Which sentence is correct? 1. Donna is taller than I. 2. Donna is taller than me. No one at school is sure about this answer. Donna is taller than I. If you say it from your perspective you would say: I am taller than Donna. Not, Me is taller than Donna.

asked by Jane on February 28, 2007
2. ## Math

George needs 50 liters of a solution that has a concentration of 30 g/ml for the manufacture of computer parts.  George has an unlimited supply of a solution with a concentration of  39 g/ml.  Using the Formula  C1*V1=C2*V2 answer the following

asked by shearlene on January 25, 2017
3. ## math

mrs.jones science class had to record the toltal amount of rain that fell the last week of school.it rian 1.66 inches on monday 0.23 on tuesday 0.76 inches on wensday 1.2 inches on thursday ,and on friday the skies were cleared .what wasthe average amount

asked by cindy on March 7, 2011
4. ## math

A 4-year magazine subscription costs \$228 and may be canceled at any time, and a prorated refund will be made for the remaining weekly issues. If Siran cancels his subscription after receiving 32 issues in the 2nd year, what refund would he get? Assume

asked by jene on March 14, 2010
5. ## Chemistry

When 38.21 g of pure copper reacts with 192.83g of iodine, 190.83g of a compound containing only copper and iodine result. 40.21g of iodine remain when the reaction is complete. a. Do these results support the Law of Conservation of Mass? Explain. b.does

asked by Anonymous on August 30, 2016
6. ## physics

As a woman walks, her entire weight is momentarily supported on the heel of one shoe. Calculate the pressure exerted on the floor by a high-heel shoe worn by a 50-kg woman if the heel has an area of 2.0cm^2. Express the pressure in newtons per square meter

asked by mNoellb on February 19, 2011
7. ## physics

A 42.1 kg diver steps off a diving board and drops straight down into the water. The water provides an average net force of resistance of 1559 N to the diver’s fall. If the diver comes to rest 4.1 m below the water’s surface, what is the total distance

asked by scott on November 22, 2012
8. ## math

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting

asked by Anonymous on August 15, 2012
9. ## physic

Lai was driving north on Hwy 75 with a speed of 56.9 m/s when she heard on a CB that a patrolman was hiding 127.3 m north of where she is. Knowing that the patrolman can start clocking the car in 2.7 seconds, Lai decided to slow to 34.2 m/s. and

asked by Shannon on August 24, 2011
10. ## Civics

For what reason might the United States government raise taxes instead of borrowing money to pay for a new government service? A. To avoid increasing the flow of money in the economy B. To avoid having to change the federal interest rate C. To demonstrate

asked by Carla on May 24, 2017
11. ## English II

The following paragraph is quite sketchy. Provide additional support for the topic sentence, and revise the whole paragraph so that you can answer yes to each of the questions in Lesson 6. Type the paragraph in the space below. Newspapers are great. Many

asked by Carlos on March 13, 2013

Sara overhears her 21 old son,Joe telling his friends on the phone that he wants to have sex with two girls he just met at the mall.Joe's desire: A expresses the male tendeny to commit to arelationship B is an example of male nurturance C expresses the

asked by vedrana on September 16, 2009
13. ## American National Government

How does the other branches of government "check" the judicial branch in order to keep it from becoming too powerful? My answer is: The President puts forward the nomination for the judges and the Senate confirms them, this is considered to be a part of

asked by B.B. on November 22, 2009
14. ## Pre-Calculus

A ladder leans leans against a building that has a wall slanting away from the ladder at an angle of 96 degrees with the ground. If the bottom of the ladder is 23 feet from the base of the wall and it reaches a point 52 feet up the wall, how tall is the

asked by K.C on March 4, 2011
15. ## college/education

I have to answer the following questions and just need help finding the right place to look. Guess I am no posting the questions right because I get stuff that will not help me. 1. Why is it logical to write test items or assessments before producing

asked by Cathy on January 15, 2015
16. ## Anatomy

I have the formula to problem but can not come up with any of the answers. Problem: Calculate the cardiac output if heart rate (HR) is 90 beats per minute, stroke volume (SV) is 110 ml/beat, end diastolic volume (EDV) is 140 ml, and end systolic volume

asked by Mary on June 5, 2016
17. ## Psychology

With respect to the theory of cognitive dissonance, people can hold contradictory ideas in their minds. If you become aware of the dissonance between two ideas, you could pursue which of the following strategies to reduce the dissonance? B. You can modify

asked by brooke on July 31, 2016
18. ## physics

how to determine the amount of water in the container when you are given a 200g piece of aluminium at 90 degrees celcius is placed in a 100g glass container which holds an unknown amount of water at 20 degrees celcius .if the equilibrium temperature is

asked by viwe on September 29, 2014
19. ## ALGEBRA

Many states offer personalized license plates. California, for example, allows personalized plates with seven spaces for numerals or letters, or one of the following four symbols. What is the total number of license plates possible using this counting

asked by Monic on May 16, 2012
20. ## economics

Mutual funds are attractive to small investors because (a) the funds offer a guaranteed return on investment (b) the funds are insured by an agency of the US government (c) the funds offer the opportunity to share in an investment in a variety of stocks

asked by Bob on December 21, 2014
21. ## Science-Astronomy

Using the equation speed=distance/time, calculate the speeds(in km/hour) of a geosynchronous satellite I'm given that the distance from this particular geosynchronous satellite is 36000km from Earth, and orbits Earth 24h. I can not understand how to solve

asked by Anonymous on October 6, 2008
22. ## English

Red Jacket and Tecumseh in their respective speeches (again, as translated and transcribed), make frequent reference to “brothers” and brotherhood. Why such emphasis, at that historical moment, upon fraternity and unity? CAN SOMEONE CHECK MY ANSWER TO

asked by Kiara on July 28, 2014
23. ## College English

Red Jacket and Tecumseh in their respective speeches (again, as translated and transcribed), make frequent reference to “brothers” and brotherhood. Why such emphasis, at that historical moment, upon fraternity and unity? CAN SOMEONE CHECK MY ANSWER TO

asked by Kiara on July 28, 2014
24. ## social studies

if unification had occurred in 1960 what would have changed in cyprus A. Cyprus would have become part of Greece B. Cyprus would have cut ties with turkey and Greece C. greece and turkey would have divided cyprus D. turkey would have taken over cyprus my

asked by it would mean a lot to help on March 5, 2019
25. ## social studies

if unification had occurred in 1960 what would have changed in cyprus A. Cyprus would have become part of Greece B. Cyprus would have cut ties with turkey and Greece C. greece and turkey would have divided cyprus D. turkey would have taken over cyprus my

asked by it would mean a lot to help on March 5, 2019
26. ## Physics

An earth satellite moves in a circular orbit with an orbital speed of 5800 m/s. Find the time (expressed in seconds) of one revolution of the satellite. Find the radial acceleration of the satellite in its orbit. I think we need to know the radius of the

asked by Josh on September 22, 2006
27. ## Physics

A ball is hit from horizontal ground with velocity (10i+24.5j) ms-1 where the unit vectors i and j are horizontal and vertically upwards respectively. a)State two assumptions that you should make about the ball in order to make predictions about its

asked by 0oooooooo0 on September 30, 2017
28. ## Social Studies

How did the Han government differ from the Qin government? A. The Han revived Confucian learning suppressed by the Qin. B. The Han imposed harsher laws than the Qin. C. The Han created a more centralized government than the Qin. D. The Han encouraged trade

asked by Hi Sisters on October 26, 2018
29. ## Chemistry

Only a chemist can be trusted with the combination to the safe containing a ton of money. The combination is the pH of solution A, followed by the pH of solution C. (for example: is the pH of solution A is 3.47 and the pH of solution C is 8.15 the

asked by Danielle on April 30, 2007
30. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

asked by angela on May 3, 2016
31. ## science

A Graph Shows Distance On The Vertical Axis And Time On The Horitzonal Axis. If The Speed Is Steadily Increasing. What Will The Line Representing Speed Look Like On The Graph? (I believe the answer is A) A. It will be a straight diagonal line b. It will be

asked by mickey on March 4, 2009
32. ## math - probability

Pierre asks Sherry a question involving the theoretical probability of a compound event in which you flip a coin and draw a marble from a bag of marbles. The bag of marbles contains 3 white marbles, 8 green marbles, and 9 black marbles. Sherry's answer,

asked by Tim on February 17, 2016
33. ## bartlett hill,math

add the like terms together.a+b+a+2b Okay. Well, the questoin says to add the like terms together, that means add the A's together and add the B's together. a+b+a+2b Alright, so your a's and your first b don't have a number in front of them. That means the

34. ## Math

Consider the distribution of mathematics SAT scores of students in honors calculus at a liberal arts college. What would you expect the shape and variation of the distribution to be? A. Symmetric with little variation B. Symmetric with large variation C.

asked by angela on May 4, 2016
35. ## Calculus

A tree grows 2.80 m during the first year since it was planted. During each subsequent year the tree's growth is 85% of its growth the previous year. a) Calculate to the nearest 0.001m, the growth of the tree in the fourth year. Tn = ar^n-1 T4 =

asked by Anonymous on September 21, 2011
36. ## Math

A printing company makes plastic banners 15 feet long by 6 feet wide. An overseas customer wants to know about how many square meters the banner is. Use 1 foot = 0.305 meter. a 8.37 square meters b 27.5 square meter c 90.0 square meter d 900 square meter

asked by Mia on March 26, 2015
37. ## History

which answer best describes andrew johnson's relationship with the radical republicans? A:he founded the radical Republican movement B: he worked with the radical Republicans to pass important legislation C: you frequently voted legislation presented by

asked by DD on May 4, 2016
38. ## Algebra

My instructions are to solve the problem by showing the steps and identify as a conditional equation, an inconsistent equation or an identity. 0.06q + 14 = 0.3q - 5.2 You can convert that to 0.24 x = 19.2 and solve it for x. The original equation is

asked by Bianca on June 29, 2007
39. ## english

What is the sequence of components in the following sentence? Listless and depressed by vistas of snow and gray skies, Dieter left the cabin and walked toward the frozen pond. A. Subject, modifier, verb B. Subject, verb, modifier C. Modifier, subject, verb

asked by Diana on April 11, 2015
40. ## LL

The following question asks about one or more selections from your textbook Literature. You may use your textbook to answer this question. Both “The Road Not Taken” and “O Captain! My Captain!” are analogies. Write a paragraph comparing the

asked by yolo sans on February 11, 2017
41. ## SS

What is the goal of the North American Free Trade Agreement (NAFTA)? Increase the cost of free trade Encourage trade and economic growth between Canada, the United States, and Mexico. Increase tariffs on exported goods Increase tariffs on imported goods My

asked by Anonymous on March 26, 2018

Fabio stands atop his 16 foot ladder when he realizes that the ladder is slipping down the side of the building. He decides that the base of the ladder is moving away from the bottom of the building at a rate of 2 feet per second when it is 3 feet from the

asked by Alaina on May 6, 2013
43. ## math

Could someone please show me what I did worng in my math questions? any help will be greatly appreciated! I put my teachers response under the questions 4. Solve: 5|2x + 1 | = 55 Divide both side by 5: |2x+1|=11 2x+1=11 and 2x+1= -1 +1 +1 +1 +1 2x = 12 2x

asked by Abby on October 12, 2015
44. ## Math

When working out some of the diagonal lengths involved in calculating the size of individual plots, Bert creates the following expression: fraction numerator 10 plus 15 square root of 5 over denominator square root of 5 minus 2 end fraction Rationalize the

asked by Annoyamous on November 6, 2017

Grace earns 7 dollars for each car she washes. She always saves 25 dollars of her weekly earnings. This week, she wants to have at least 65 dollars in spending money. How many cars must she wash? Write and solve an inequality to represent this situation.

asked by mark on November 4, 2017
46. ## geometry

Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles.

asked by me on March 8, 2011
47. ## physics help

Three co-linear forces f1=45 N west,f2=63 N east and an unknown force f3 are applied to an object.The resultant force of the three forces is 12 N west determine the magnitude and direction of the force f3 using an algebric calculation(vector addition)

asked by melissa on October 8, 2015
48. ## MATH

Marys landlord raised her rent 25%.if her new rent is \$500,how much did she pay before the increase? A.\$375 B.\$400 C.\$425 D.475 FOR EACH ANSWER,CALCULATE WHAT THE PERCENT INCREASE WOULD BE IF THE RENT IS RAISED TO \$500. WHAT STRATEGY DID YOU USE TO SOLVE

asked by GOGO on June 10, 2007
49. ## history

Which of the following statements is true regarding the Korean War? A. The Chinese armed and trained the North Korean army. B. Both Stalin and Mao expected the American response to the invasion. C. Stalin was outraged by the North Korean attack on South

asked by jake on December 12, 2011
50. ## Algebra Multiple Choice

Hello, This is the last of questions I have for my practice assignment. Again I will put what I got. Thanks for your help. 1.) Solve the system using substitution. Write answer as an ordered pair. 4x+2y=8 -5x-2=y A.) First equation (-2,8) B.) Second

asked by Kris on March 21, 2013
51. ## Chemistry/Math

If a doctor tells you to drink 1 liter of water per day, answer the following questions(assuming the density of water to be 1g/mL): 1. The number of grams of water per day? 2.The number of molecules of oxygen per day? 3. The number of atoms of oxygen per

asked by jahil on August 21, 2010
52. ## physics

The pressure in a section of horizontal pipe with a diameter of 2 cm is 143 kPa. Water flows through the pipe at 2.80 L/ s. If the pressure at a certain point is to be reduced to 103 kPa by constricting a section of the pipe, what should the diameter of

asked by Anonymous on May 31, 2016
53. ## Physics

A particle accelerator called Large Hadron Collider can accelerate protons to 14 TeV (tetraelectonvolts) (1TeV = 10^12eV) of energy. What is the relativistic mass of a proton that has total energy of 14 TeV? (express your answer in MeV/c^2) Would I use E=

asked by Abby on April 30, 2008
54. ## english

And no matter how(5)______(benign)my manner, she seemed to view me as some sort of threat. At one point, she became irate and yelled, "That's(6)_____(redundant)I don't have time to answer the same question twice." When I asked her about serious issues, her

asked by Linda on June 19, 2014
55. ## History (To Mrs. Sue)

The major difference in ethnicity, religion, and settlement patterns of California: A. was founded by Spain, was Catholic, and settled very early in the 18th century B. they were completely successful in Christianizing the indians C. the area was dominated

asked by Amy on April 16, 2012

You are a share analyst for an investment firm and are investigating the return on shares in the Mean Corporation over the last four years. The return on Mean Corporation shares over the last four years is presented. Calculate the geometric mean rate of

asked by Stats on October 2, 2010
57. ## APUSH

Race relations were _____ during World War 1: a. improved thanks to the efforts of government programs b. had moments of violence, but predominately improved material wealth for blacks in the north c.were among Wilson's top priorities; he had strong

asked by Student on December 26, 2012
58. ## Calculusss ( pleassee someboddy heelp )

an airplane flying due east at 400 km/h pasess over an airport 12 minutes before a second plane flying south 30 degrees west at 500 km/h.if the airplanes are at the same altitude how fast will they by seprating when the seccong plane is over the

asked by Alisha on March 18, 2011
59. ## Math

When Scrooge tells Marley that Marley was always “a good man of business,” in Act 1, Scene 3 of A Christmas Carol: Scrooge and Marley, Marley responds, “BUSINESS!!! Mankind was my business. The common welfare was my business; charity, mercy,

asked by Alex on April 27, 2016
60. ## Calculus

Boats A and B leave the same place at the same time. Boat A heads due North at 12 km/hr. Boat B heads due East at 18 km/hr. After 2.5 hours, how fast is the distance between the boats increasing? You are looking at a right-angled triangle, let S be the

asked by Mischa on March 1, 2007
61. ## chemistry who helps me 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 fe204 7h20 in the sample.

asked by Fai on January 11, 2014
62. ## Child Care

Which of the following statements about children and computers is incorrect? A. To be effective, a child's computer learning experiences must be planned and supervised. B. At a day care center, computer time should be scheduled like any other activity. C.

asked by Brenna on July 23, 2013
63. ## physics

Sally applies a total force of 71 N with a rope to drag a wooden crate of mass 100 kg across a floor with a constant acceleration in the x- direction of a = 0.1 m/s2. The rope tied to the crate is pulled at an angle of  = 50  relative to the floor.

asked by Jacob on October 13, 2012
64. ## Physics

An electron (mass m = 9.11e-31 kg) is accelerated in the uniform field E (E = 2.00e4 N/C) between two parallel charged plates. The separation of the plates is 1.10 cm. The electron is accelerated from rest near the negative plate and passes through a tiny

asked by David on February 6, 2011
65. ## math

nick has a revolving department store credit card account with an annual percentage rate of 15% last month's balance on the account was \$423.78 during the current month he made purchases totaling \$123.42 and he made a payment of \$100.00 the store uses the

asked by Anonymous on November 8, 2007
66. ## Math

Jason Printing has \$85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate Investments at 9.8% compounded monthly. a) Calculate the two APYs and compare them to determine your answer. Make sure to distinguish

67. ## Chemestry

Question 1) Consider the following reaction of calcium hydride (CaH2) with molten sodium metal:CaH2(s) + 2 Na(l) -> 2 NaH(s) + Ca(l) Identify the species being oxidized and the species being reduced? Question 2) Give the names to the binary compounds

asked by Ashley on July 27, 2015
68. ## Health Information

Can anyone help me get more info on this question? I need one or two paragraphs to answer. Q: Paula Patient's attorney asks Dr. Bob for medical records about Paula's car accident and promises to provide a written authorization from Paula later. Dr. Bob

asked by M on November 11, 2008
69. ## physics

A 126 kg block is released at a 6.8 m height as shown. The track is frictionless. The block travels down the track, hits a spring of force constant k = 1999 N/m. The acceleration of gravity is 9.8 m/s 2 .moreno (lm35839) – Homework 16A – smith –

asked by Anonymous on January 17, 2013

Carol Miller went to Europe and forgot to pay her \$750 mortgage payment on her New Hampshire ski house. For her 45 days overdue on her payment, the bank charged her a penalty of \$16. (assume 360 days). What was the rate of interest charged by the bank? (Do

asked by Ekanki on April 23, 2012
71. ## Confidentiality of Health Information

Answer each question in one or two paragraphs. 1. Compare and contrast contributory negligence with comparative negligence. 2. If HIPAA rules are stricter that state law, which standard should you follow and why? What if the state law was stricter? 3.

asked by Marie on November 10, 2008
72. ## math-algebra HELP!!!!

a scientist theorized that you can estimate the temperature by counting how often crickets chirp. the scientist gathers the data in the table shown. A)how many cricket chirps would you expect to indicate a temperature of 85 degrees? include a graph and an

asked by unicorns<3 on January 2, 2015
73. ## math help DX

a scientist theorized that you can estimate the temperature by counting how often crickets chirp. the scientist gathers the data in the table shown. A)how many cricket chirps would you expect to indicate a temperature of 85 degrees? include a graph and an

asked by unicorns<3 on January 2, 2015
74. ## Math

Jason Printing has \$85,000 to invest. They can invest in Wilder Revenue at 10% compounded semiannually or at Cheapskate Investments at 9.8% compounded monthly. a) Calculate the two APYs and compare them to determine your answer. Make sure to distinguish

asked by Megan on April 13, 2014
75. ## History

In your own words answer each questions 150 words 1. Why are elections in the United States longer, more expensive, and more candidate-centered than in European democracies? 2. Knowing that the right to vote has been such a hard-fought entitlement, why do

asked by Nene on June 30, 2011
76. ## Physics Lorentz contraction

This seems like a pretty straightforward question but it's just not making sense at the moment. A meter stick is projected into space at so great a speed that its length appears to have contracted only 50 cm. How fast is it going? So you want the velocity,

asked by paul on September 2, 2015
77. ## Music

How are the sounds turned into notes? A) By increasing the amount of air blown into the blow hole B) By decreasing the amount of air blown into the blow hole C) By changing the position of the mouth on the blow hole. D)By pressing the keys My answer is D

asked by Anonymous on December 23, 2012
78. ## math

Yanira is 3 years older than Tim and twice as old as Hannah. Tim is 2 years older than Hannah. How old are Yanira Tim and Hannah? Explain how you did the problem and the answer. math 7 accelerated - tom, Tuesday, September 24, 2013 at 6:46pm Ms. Sue thanks

asked by tom on September 24, 2013
79. ## math !

A quilt design uses parallelogram-shaped pieces that have a base measure of 6 inches and a height of 8 inches. If 15 pieces are used in the quilt, what is the total area of the parallelogram-shaped pieces in the quilt? A)150 in B)360 in C)720 in** D)1,440

asked by JacqueesWifee on March 23, 2016
80. ## physics

A ball is thrown vertically upward with an initial speed of 25 m/s. Then, 1.8 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 32.1 m/s . How far above the release point will the ball and stone pass

asked by Mariana on February 8, 2016
81. ## Science

How would a woman at an airport staring out of a window at an airplane know that the plane she is watching was moving? A. She could use the plane as a reference point. B. She could use the building behind the plane as a reference point. C. She could use

asked by Callie on February 12, 2015
82. ## Physics Inertia : Merry-go-round

A playground merry-go-round of radius 1.96 m has a moment of inertia 335 kg m2 and is rotating at 12.3 rev/min. A child with mass 43.1 kg jumps on the edge of the merry-go-round. What is the new moment of inertia of the merry-go-round and child, together?

asked by HELP ME!! on April 19, 2010
83. ## Physics

An immersion heater of resistance R converts electrical energy into thermal energy that is transferred to the liquid in which the heater is immersed. If the current in the heater is I, the thermal energy transferred to the liquid in time t is ? The answer

asked by Amanda S. on February 19, 2011
84. ## math

A cow is attached to a rope in a pasture bordered by two fences ( each 60 feet long) which meet at an angle of 24 degree. If the rope attached to the cow is 15 feet long, over how many square feet can the cow graze? a. 2 pi b. 15 pi c. 30 pi d. 45 pi e.

asked by thomas on April 18, 2014
85. ## Math 7 - HW Question Check (Q3)

Kevin designs sprinkler system for his yard. One rotation of the sprinkler waters a circle with an area of 225(pi) square feet. What is the radius, r, of the circle the rotating sprinkler waters? a) 15 ft b) 25 ft c) 30 ft d) 47 ft Answer - A Why?: A =

asked by Laruen on April 15, 2012
86. ## Math Help

Yes it was answered previously but I am sorry that I did not follow the pattern. I was told that the answer that I submitted was incorrect. Please help if you can. Thank you so very much. THE PROBLEM READS: A three-digit number increases by 9 if we

87. ## Algebra

I think I have the correct equation, but can someone please double check and tell me if I am correct. Scenario: Suppose that the width of a rectangle is 5 inches shorter than the length, and that the perimeter of the rectangle is 50. Question: Set up an

asked by Patrick on January 3, 2009
88. ## math

Please solve this word problem, It will take at least 360 points for Kiko"s team to win the math contest. The scores are 94,82, and 87, but one of Kiko's teammates lost 2 of those points for an incomplete answer. How many points must Kiko earn for her team

asked by Ann on October 11, 2012
89. ## MATH

1. The population of a city increases by 4000 people each year. In 2025, the population is projected to be 450,000 people. What is an equation that gives the city's population p (in thousands of people) x years after 2010? A) p=4x+450 B)p-450=4(x-5)

asked by SkatingDJ on January 12, 2015
90. ## earth science

The greenhouse effect is a result of A. absorption and radiation of energy in the atmosphere. B. consumption and radiation of energy in the atmosphere. C. absorption and radiation of energy in the hydrosphere. D. consumption of fruits and vegetables that

91. ## algebra

interest formula, and or answer. if you put \$200.00 in an annuity that grows at 6% interest per year at the end of every year, and you add \$200.00 more at the end of every year, how much will you have at the end of 70 years. I know prt, but it doesn't

asked by lamar on June 13, 2015
92. ## Chemistry

What will happen if a small amount of hydrochloric acid is added to a 0.1 M solution of HF? A) The percent ionization of HF will increase. B) The percent ionization of HF will decrease. C) The percent ionization of HF will remain unchanged. D) Ka for HF

asked by Robby on March 7, 2013
93. ## Chemistry

When determining the formula for aacompound, it is important to know valence numbers of each element. Suppose that element A has a valence number of 3 and element B has a valence number 2. If the two elements combine, then when writing the formula for the

asked by Mickeyv on July 8, 2008
94. ## Physics

A ball is thrown vertically upward with an initial speed of 11 m/s . Then, 0.67 s later, a stone is thrown straight up (from the same initial height as the ball) with an initial speed of 25 m/s . How far above the release point will the ball and stone pass

asked by Linda on September 30, 2014
95. ## Social Studies (Check, Please!)

I think my answer is correct, but I'm not sure. How did the Lend-Lease Act help the Allied war effort? A: The Lend-Lease enabled the United States to lend or lease more than \$40 billion in weapons, vehicles, and other supplies to those involved in the

asked by Victoria on January 2, 2016
96. ## Math

Please help!!!! Solve each system graphically. Be sure to check your solution. If a system has an infinite number of solutions, use set-builder notation to write the solution set. If a system has no solution, state this. 6x - 2y = 2, 9x - 3y = 1 My answer:

asked by Jordyn on October 11, 2010

The experimental probability of hearing thunder on any given day in Ohio is 30%. Out of 600 days, on about how many days can Ohioans expect to hear thunder? Is my answer 420 days? I multiplied 600*.30=180, then I subtract 180 from 600 and got 420.

asked by Maggie on April 28, 2016
98. ## Math

The following table represents a grouped frequency distribution of the number of hours spent on the computer per week for students. What percentage of students used the computer between 7 and 14.9 hours per week? Round your answer to one decimal place, if

asked by Devhin Miles on April 28, 2016
99. ## algebra

Did I do this problem right? (2y+5w+6)(5y+5w-4) 2y(5y)+ 2y(5w) + 2y(-4) + 5w(5y) + 5w(5w)+ 5w(-4) + 6(5y) + 6(5w) + 6(-4) then I multiplied: 10y^2 + 10wy - 8y + 25wy + 25w^2 - 20w + 30y + 30w - 24 then I combined like terms: 10y^2 + 15wy + 25w^2 + 22y +

asked by kevin on February 16, 2009
100. ## Chemistry

Fill in the blanks with a, b, c, or d. When comparing the strength of bonds between molecules, Ionic bonds have _______ bonds, and molecular bonds have _____ bonds? a. very strong, weaker b. weak, strong c. strong, very strong d. weak, very weak I believe

asked by Jen on September 23, 2008