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

143,010 questions, page 133
1. ## discrete math

1.Let functions f and g be defined by f(x)=2x+1, and g(x)=x^2-2, respectively. Find a)(gof)(a+2) b)(fog)(a+2) 2.Let A={x:x≠2) and define f: A→R by f(x)=4x/(2x-1) . Is f is one- to- one? Find the range of f . Then find f^(-1) and hence determine the

asked by rose on July 9, 2016
2. ## Ellipses

Given an ellipse; 4x^2+y^2-48x-4y+48=0, find the Center, find the Major Axis, find the Minor Axis & the Distance from C to Foci?

asked by Amber on March 27, 2013
3. ## Probability

Consider the following joint PMF of the random variables X and Y: pX,Y(x,y)={1/72⋅(x2+y2),if x∈{1,2,4} and y∈{1,3}, 0, otherwise}. 1. P(Y

asked by qwerty on March 7, 2014
4. ## algebra

1. Find the LCM of (8+7), (64-49v^2), and (8-7v) 2. Find the LCM of 14x^7 and 98x^5 3. Find all numbers for which the rational expression is undefined 5/v-9

asked by lisa on November 18, 2011
5. ## Calculus/Logarithms

Find the derivative of f(x) = (square root of x)(ln x). Using my notes, I came up with f'(x) = (1/2*square root of x)/x The answer in the back of the book says f'(x) = (2+ln x)/(2*square root of x). Can someone please explain how? Thanks.

asked by Amy on June 29, 2009
6. ## Math

There are 5 Saturdays in February 2020. What day of the week is February 03, 2020? Note: There are 29 days in February 2020. What is the best way to find the answer?

asked by Kabir on October 13, 2017
7. ## Literature

I am desperate for help with this assignment...a short chapter by chapter analysis of the book The Secret Life of Bees by Sue Monk Kidd.I need to summarize the plot of each chapter, include what I found out about the characters in each chapter, list any

asked by Karen on January 31, 2013
8. ## Algebra 2

so i got a question and would like to know if i did this right For problems 1 through 38, transform the given expression to simple radical form. You can check your answer by evaluating it and the original expression by calculator. on the previous page this

asked by Algebra 2 on May 27, 2009
9. ## math

4. If you made half of the recipe, how much of each ingredient will you use? Make sure you use fractions in your calculations, as well as label your answer. 4a. What operation would you use to find half of the recipe? * a) divide by 2 b) multiply by 2 c)

asked by lilpump on October 23, 2018
10. ## Finance

Question 1: You wish to start a project. Your initial investment is \$100000. You generate 0 cash flows for the first 2 years but generate \$16000 in year 3 and increase by 15% every year till year 7, after which time they decline by 2% until year 9. You

asked by A on November 4, 2007
11. ## math, beginning algebra

how do you solve this i've tried many ways and i always get stuck. -4(2x - 3 ) = -8x + 5 you use -4x times 2x first, then you times -3. so you have (-8+12)=8x+5. you know -8+12 is 4, so the equation becomes 4=8x+5. so x is probably a negative number. so

asked by jasmine20 on December 20, 2006
12. ## Social Studies

Please review the question and check my answer below. Thank you tutors. Q: What was the effect of the McKinley on the value of Hawaiian-grown sugar? My answer: Funded the "most favored" status of Hawaiian-grown sugar and rewarding American producers with a

asked by anon on December 12, 2015
13. ## Algebra

Need help with these: [Can you show me the work for them please, if needed?] 3. Simplify (4x)(-2y) Is the answer -8xy? 5. To which set of numbers does 7.543 belong? a. rational b. irrational c. integer ? 8. Write an algebraic expression for one-half a

asked by mysterychicken on March 30, 2010
14. ## Physics 152

I was able to come up with the answers through trial and error, and the answer for the charge +q makes sense, but I don't understand why the answer for the -q is correct. Please help. A positive point charge +q1, a second point charge q2 that may be

asked by Dan on January 20, 2015
15. ## Psychology

1. Activation-synthesis dream theory purports that dreams result from the brain's effort to make sense of: a. the days activities and experiences b. problems the person has not yet resolved c. our external world d. spontaneously firing neurons during REM

asked by Tubbz on February 20, 2012
16. ## Physics

A 6.2 g bullet is fired into a 2 kg ballistic pendulum. The bullet emerges from the block with a speed of 281 m/s, and the block rises to a maximum height of 15 cm . Find the initial speed of the bullet. The acceleration due to gravity is 9.8 m/s 2 .

asked by Somya on December 12, 2016
17. ## maths

A small business predicts sales according to a straight line method. if sales were\$110000 in the first year and \$2000000 in the fourth year find the rate of growth in sales per year .......text book answer is \$30,000 per year

asked by sultana on December 23, 2016
18. ## algebra

the primeter of a rectangle is 24ft. the length is 2 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width. Is the answer for the lenght 16ft and 8ft for the

asked by ashley on March 5, 2013
19. ## Calculus

A right triangle has one leg on the x-axis. The vertex at the right end of that leg is at the point (3,0). The other vertex touches the graph os y=e^x. the entire triangle is to lie in the first quadrant. Find the maximum area of this triangle.Justify your

asked by Amanda E. on February 9, 2011
20. ## Calculus

Suppose that the region between the x-axis and the curve y=e^-x for x>=0 has been revolved around the x-axis. Find the surface area of the solid. I got 3*pi The book shows an answer of pi * [sqrt(2) + ln(1 + sqrt(2))] Where do I go wrong? For the sides of

asked by mathstudent on January 13, 2008
21. ## Calc

A metal cable has radius r and is covered by insulation, so that the distance from the center of the cable to the exterior of the insulation is R. The velocity v of an electrical impulse in the cable is v = -C(r/R)^2*ln(r/R) where c is a positive constant.

asked by Greg on December 2, 2009
22. ## Mathematics

There were 120 multiple choice questions.a candidate was given 1mark for each correct answercand penalised ¼ mark for every wrong answer.the candidate answered all the questions and scored 80marks.find the number of correct answers given by the candidate.

asked by Rubi on January 11, 2016
23. ## Math - Calculus

Find the area of the surface of revolution generated by revolving the curve y = 3 sqrt (x), 0

asked by Anon on December 8, 2016
24. ## math

The cost of producing q articles is given by the function C=f(q)=100+2q. (A) Find the formula for the inverse function. (B) Explain in practical terms what the inverse function tells you. I am pretty sure the answer to A is f^-1(C)=C/2-50 For B, the

asked by Hamilton on August 15, 2008
25. ## physics

A 5kg bucket of water is raised from a well by rope. If the upward acceleration of the bucket is 3.0m/s^2, find the force exerted by the rope on the bucket. Work: F=(5kg)(3m/s^2) However, the answer given is .64 N.

asked by Anonymous on October 14, 2007
26. ## Pre calc

Find sin(2x), cos(2x), and tan(2x) from the given information. sin(x) = 5/13, x in Quadrant I sin(2x)? cos(2x)? tan(2x)? I honeslty just need one good example of how to do these please show all work and finalize answer

asked by Armani on April 13, 2017
27. ## calculus

Did I do this problem right? Find the first and second derative-simplify your answer. y=xtanx y'= (x)(sec^2 x)+(tanx)(1) y'= xsec^2 x + tanx y"= (x)(2secx)(secxtanx)+sec^2 x + sec^2 x y"=2xsec^2 x tanx + 2 sec^2 x

asked by Janet on March 18, 2011
28. ## College Algebra

A quadratic function has its vertex at the point (-9,8). The function passes through the point (9,4). When written in vertex form, the function is f(x)= a(x-h)^2 +k, where a) h)-9 k)8 4=a(9)^2+8 4=a(9+9)^2+8 4=a(18)^2+8 4=a(332) a=0.01204 I was able to

asked by Anonymous on June 12, 2014
29. ## Math

When square root of 2800 is written as a mixed radical in form of a radical b, the value of ab is A) 7 B) 27 C) 140 D) 280 I square root and simply it and got the answer 20 radical 7. But how do I find the value of ab

asked by Mileena on September 24, 2017
30. ## Geography

Okay, I think I have the correct answer for this question. Please let me know if I am correct. Which Sea is largest? North, Mediterranean, Caspian, or South China? I find it to be the Caspian Sea at 371000 sq km. Am I correct????

asked by Reed on September 4, 2010
31. ## math

Nine cards are numbered 1-9. what is the probability of drawing a number greater than 6 or an odd number. I know the answer is 2/3 but I don't know how you find the probability when it says "greather than 6 OR and odd number"... how do you calculate the

asked by martha on June 6, 2012
32. ## Math

A triangle has an angle whose sine is equal to 1/2. The angle is larger that 43 degrees in measure. Find the exact measure (in degrees) of the angle. I did sin x = 1/2 and got 150 for the answer Is this right? Thank You!

asked by Wendy on March 6, 2012
33. ## Chemistry

2. The half-life of a radioactive element is important when considering its application in medicine. For example, iodine-131 is often used in the imaging of the thyroid. The reason is that iodine is readily absorbed by the thyroid gland. Another reason is

asked by Mickey on September 28, 2014
34. ## physics

Two species of singly charged positive ions of masses 20x10^-27 kg and 23.4x10^-27 kg enter a magnetic field at the same location with a speed of 1x10^5 m/s. If the strength of the field is .2 T, and they move perpendicularly to the field, find their

asked by Anonymous on March 15, 2008
35. ## Statistics

Teen Communication The following data represent the number of different communication activities (e.g., cell phone, text messaging, e-mail, Internet, and so on) used by a random sample of teenagers over the past 24 hours. (a) Are the events “male” and

asked by Keonn'a on March 13, 2018
36. ## Physics, please help!!!!

A 3.00 kHz tone is being produced by a speaker with a diameter of 0.175 m. The air temperature changes from 0 to 29°C. Assuming air to be an ideal gas, find the change in the diffraction angle My solution v directly proportional to sqrt T v = sqrt 302

asked by Papito on May 6, 2007
37. ## math

1. Use the given information to complete the table below Miles driven (x) Charge (y) 2. Use the slope formula to find the slope 3. Use a point and the slope to find the equation either in slope-intercept form or point slope equation 4. Plug 172 into your

asked by HELP plz check(math) on September 28, 2016
38. ## grammar(english)

i need to find similes he was as hard as a rock. she was as gentle as a dove. the wall was like a mountian i could not climb. similie = a comparision between two words using "like" or "as" to compare (examples above) hope this helps! To add to Marie's

asked by destiny on May 23, 2007
39. ## Algebra

1.A right triangle has leg of b of length 7 and a hypotenuse of length 11. What is a length of the other leg, a? Round to the nearest tenth if necessary. (1 point) A. 2.0 B. 8.5 C. 13.0 D. 9.6 2. Find the length of a line segment CD with endpoint C at

asked by Anon on March 19, 2015
40. ## Physics

In deep space (no gravity), the bolt (arrow) of a crossbow accelerates at 187m/s^2 and attains a speed of 114m/s when it leaves the bow. For how long is it accelerated? Answer in units of m/s What speed will the bolt have attained 2.8 sec after leaving the

asked by Emily on September 16, 2012
41. ## math

missed this in parade magazine, please answer for me man owns cows and chickens that total 30 when the son couned them his answer was 74 legs how many chicken did the farmer own x=cows y=chickens x+y=30 4x+2y =74 please finish for me Solve one equation for

asked by george on March 7, 2007
42. ## Chemistry

What is the volume of 0.129 M HCl(aq) re- quired to neutralize all of the hydroxide ions in 46 mL of 0.216 M KOH(aq)? Answer in units of mL. Answer: 77.0232 What is the molarity of Cl− ions at the stoichiometric point? Answer in units of mol/L. What is

asked by Matthew on March 23, 2011
43. ## Calculus

I don't know if I did these problems correctly. Can you check them? Use Integration by parts to solve problems. integral x^3(lnx)dx u=lnx dv=x^3dx du=1/x v=x^4/4 Answer:(x^3)(lnx)-(x^4/16) integral xcosxdx x cosx 1 sinx 0 -cosx Answer: xcosx+cosx integral

asked by Anonymous on November 18, 2007
44. ## math,correction

Solve for x. Problem #22 25x^2 = 13 My answer: x = + - radical (13)/(5) Problem #32 2 (x - 5 )^2 = 3 My answer: x = 5 +- radical (3)/(2) Problem #42 Solve for x x^2+4x+4=7 (hint factor the left-hand side) My answer: x = -2 +- radical (7)

asked by jasmine20 on March 28, 2007
45. ## Calculus

A machine earns the company revenue at a continuous rate of 62000 t + 43000 dollars per year during the first six months of operation, and at the continuous rate of \$74000 per year after the first six months. The cost of the machine is \$155000. The

asked by Jackie on April 15, 2008
46. ## French

I wrote this short pen pal letter, and I need someone to check it. It would really help me! Thanks Chère Megan, Je m'appelle Nadine at j'ai treize ans. Je suis ton correspondant! J'apprends le français depuis deux ans et je pense que c'est une langue

asked by Nadine on April 21, 2008
47. ## math

Joe is getting ready to buy a car. He has \$20,000 in investments earning 4.9% annually. The car also costs \$20,000. If he doesn’t pay cash for the car, Joe can get a loan at 2.9% interest for 5 years. The loan is structured so that Joe pays one balloon

asked by Denise on July 29, 2012
48. ## chemistry (I have a test tomorrow)

4 Ag + 2 H2S + O2 = 2 Ag2S + 2 H2O a) What mass if silver sulfide is formed from the reaction of 0.120g of silver? b) What mass of hydrogen sulfide is needed in the same process? So I understand a, and I found the answer to be 0.138g. For b the text book

asked by Laura on April 12, 2017
49. ## Chem

Write the equation for dissocation of acetic acid in water: My Answer: CH2COOH + H2O H3O+ + CH3COO- Equation for hydrolysis of acetate anion in water: My Answer: CH3COO- + H2O CH3COOH + OH- Now, using the above formulas, I have to show how a buffer works

asked by Marisol on March 21, 2007
50. ## Physics

Problem 1 (80 points) Consider a spring of equilibrium length L, lying horizontally in a frictionless trough. The spring has cross sectional area S perpendicular to its length. The trough constrains the motion of the spring so that any wave propagating

asked by Brandon on January 29, 2014
51. ## math

indicates required items An operation * is defined by the relation x*y = 5x + 3y – 4xy. Evaluate [2*(-1) ] A. 15 B. 10 C. 8 D. -3 A B C D An operation * is defined by the relation x*y = 5x + 3y – 4xy. Evaluate (3*2)*4 A. -15 B. 45 C. 48 D. 12 A B C D

asked by david dare on December 17, 2010
52. ## Mcro-Econ

. Determine whether each of the following situations (a, b and c) would cause a shift of the aggregate demand curve, a shift of the aggregate supply curve (Long run and Short run), neither, or both. • Which curve shifts, and in which direction? What

asked by James Anthony on November 20, 2016
53. ## Calculator Help

Is there a difference between TI-89 Titanium calculator and TI-83 calculator? Because I'm taking a final exam and my teacher will only allow us to use a TI-83 calculator and I've never used it... like for putting in the parentheses with the log when

asked by Amy~ on June 2, 2010
54. ## physics

A 37 ohm lamp and a 59 ohm lamp are connected in series and placed across a potential of 43 V. What is the equivalent resistance of the circuit? What is the current in the circuit? Answer in units of A. What is the voltage drop across the first lamp?

asked by Leslie on April 27, 2011
55. ## Math - exponential function

Find all real numbers that satisfy (6^x)(7^(2x)) = 86, 436. Here's what I did: ln(6^x)(7^(2x)) = ln86,436 ln(6^x) + ln(7^2x) = ln86,436 x = [ln(86,436)] / [(ln(6) + (2)ln(7)] x = 2 Please correct my answer! Thanks.

asked by Anonymous on January 16, 2009
56. ## Physics

Find the displacement vector from the point(0,3-1) to the point (-2,6,4)give your answer in i,j,k notation,also give the magnitude to the displacement

asked by Chigs on March 18, 2010
57. ## math

In a survey of 85 people, every fifth person had a pierced car. How many people had a pierced car? Which calculation would help you to find the answer? 0.5*85 85* 1/5 5+85 85- 4/5 85*0.25

asked by ash kw on April 29, 2018
58. ## math

So is the function, f(x)= 2x²- 3x + 4 linear or nonlinear? Find f(-3) and f(3) for this function. I have the answer f(x)= 2(3)²- 3(3) + 4 =29 and f(x)= 2x²- 3x + 4 =49 I hapo this is correct and this is non linear?

asked by katie on September 1, 2011
59. ## Math Help

Find the coordinates of quadrilateral V' W' X' Y' after a dilation with the scale factor of 2. Original coordinates: V(6,2), W(-2,4), X(-3,-2), Y(3,-5), scale factor of 2. My answer V'(8,4), W'(-4,6), X'(-5,-4), Y'(6,-6) Am I right? Thank you

asked by callie on November 20, 2014
60. ## trig

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm

asked by Abigail on April 16, 2008
61. ## math

find three rational numbers between the negtive square root of 26 and the negtive square root of 15 and explain how you got the answer

asked by bob on December 17, 2010
62. ## pre algebra

Explain how to write a function rule from the table below. Then write a function rule. x: 2, 4, 6 y: 1, 0, -1 please help, I don't know how to find the answer

asked by Bleaktuber on March 27, 2019
63. ## Algebra

I am trying to find the real coefficients of the given roots. Did I do this right? 3,-9,3+2i (x-3)(x+9)[x-(3+2i)][x-(3-2i)]=0 (x-3)(x+0)[(x-3)+2i][(x-3)-2i]=0 (x-3)(x+9)[(x-3)^2-2i^2]=0 (x-3)(x+9)(x^2-6x-8)=0 (x^4-71x^2+114x+216)=0 answer

asked by Lynn on April 3, 2008
64. ## college alg

find the equation of a line that is parallel to the line x=6 and contains the point (-8,9) please show work, it also wants me to show the answer in an equation

asked by alli on September 4, 2012
65. ## History

(PLEASE ANSWER ASAP) Which of these actions did President Lincoln take at the beginning of the Civil War? Answers: He declared martial law throughout the nation. He imprisoned congressional representatives from the South. He issued a declaration of war

asked by T on February 28, 2018
66. ## Math

Consider ∠C such that sin C = 7/25 a) What are the possible quadrants in which ∠C may lie? b) If you know that cos C is negative, how does your answer to part a) change? c) Sketch a diagram to represent ∠C in standard position, given that the

asked by Katie on November 22, 2016
67. ## Physics Urgent!

Please help! This is due in three hours and I don't know how to do these! 1.A block accelerates at 3.1 m/s2 down a plane inclined at an angle 24.0◦. Find μk between the block and the inclined plane. The acceleration of gravity is 9.81 m/s2 . 2.Two

asked by Mikayla on November 3, 2016
68. ## MATH/ Check?

Correct. what is pi The definition or the number? The number is 3.14159 but that isn't an exact number. pi doesn't have an exact number except by definition and that is in words and not a number. The ellipse in question above( is translated 4 units to the

asked by bobpursley on December 4, 2006
69. ## calculus help

Produce graphs of f that reveal all the important aspects of the curve. Then use calculus to find the intervals of increase and decrease and the intervals of concavity. f(x)= 1+(1/x)+(5/x^2)+(1/x^3) find the interval of increase. find the interval of

asked by Isik on April 16, 2014
70. ## Calculus

Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. Find the the area of R. B. Find the value of z so that x=z cuts the solid R into two parts with

asked by Anonymous on April 19, 2015
71. ## math - trig

Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean Theorem and find the following trigonometric functions of the indicated angle. Given: a = 4 and b = 7 Find: sin A,

asked by Annika on September 25, 2013
72. ## science

A cricket ball of mass 0.4 kg moving with a velocity of 72 km/h is brought to rest by a player. Find the magnitude of the average force exerted by the player? we have, F= m x a to find acceleration we want either dist(s) or time(t) it is not given how to

asked by nidhi on July 15, 2016
73. ## History

Thanks, for for your suggestion.Please check on the following questions, if I have the correct answers. Question 1 During World War I the most striking break from pre-war conditions on the home front was Answer (A)the use of volunteer armies. (B)central

asked by Adesuwa on August 26, 2010
74. ## Physics

A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way

asked by Hannah on September 27, 2009
75. ## physics

A man of mass 82 kg is using crutches. the crutches make an angle of 26 degrees with the vertical. Half the person's weight is supported by the crutches. Assuming that the person is at rest, find the magnitude of the force supported by each crutch. the way

asked by Hannah on September 27, 2009
76. ## English

'choose any of the motifs and complete a piece of creative writing in any genre that uses that theme as a basis. you may also use that theme or motif, as long as you can justify the presence of that theme in the novel. You may write a short story play,

asked by Amy on August 28, 2011
77. ## English

Posted by rfvv on Monday, August 25, 2014 at 4:45am. 1. It's been a long time. 2. It's been a while. 3. I haven't seen you for a while. 4. Long time no see. --------------- Are they all the same in meaning? Does 'a while' mean ' a long time' or 'a short

asked by rfvv on September 19, 2015
78. ## Philosophy(Having Problems)

Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

asked by Monte on January 19, 2014
79. ## Philosophy( Please Help Me))

Hi, I would appreciate if someone can let me know what they think about the answer that I choose for these questions? Mortimer argues that right actions are the ones that: a.We believe to be right. b.Are culturally valid. c.God commands us to perform.

asked by Monte on January 19, 2014
80. ## English 3

1. Which sentence states an opinion held by American Romantic writers? a. Cities are centers of corruption and ugliness b. European literature has no traditions worth considering c. Westward expansion is exploitative and dangerous d. Ordinary readers do

asked by mysterychicken on January 25, 2012
81. ## Spanish 202

Directions: Grammar questions, choose the best answer. 1. Antes de subir la escalera, la niña _______________ de los huéspedes. -se despidieron -se había despedido -se despida -se despidiera ANSWER: Se despida 2.Si me lo _________________ antes, te

asked by Patrick on August 2, 2018
82. ## Physics

An object of mass m1= 2.90 kg placed ona. Frictionless, horizontal table is connected to a string that passes over a pulley and then is fastened to a hanging object of mass m2= 8.70 kg. Draw free- body diagrams of both objects. I've seen many people have a

asked by Keef sosa on September 25, 2016
83. ## Statistics

Let x be the elevation (in thousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data were

asked by John on June 14, 2010
84. ## Quantum Physics

Suppose you are given an endless supply of qubits in the state 12√|00⟩+eiϕ2√|10⟩. To estimate the phase angle ϕ, you run Fourier sampling (i.e. Hadamard on each qubit followed by a standard basis measurement) on this state repeatedly. After

asked by ss01 on October 12, 2013
85. ## Statistics

Let x be the elevation (in thousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data were

asked by John on June 14, 2010
86. ## physics

Two objects of masses 10.0 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. The 5.00kg object lies on a smooth incline of angle 40 degrees. Find the accelerations of each object and the tension in the string. Work:

asked by Anonymous on October 14, 2007
87. ## Art

An art critic writes the following comment about this seventeenth century painting: "This Dutch artist is a master of light and composition." This statement is an example of what stage of critique? A) Describe B) Analyze C) Critique D) Judge My answer is

asked by @AmeliaTheGamer on April 20, 2017
88. ## English

15. Read the following opening sentence of an introductory paragraph and answer the question that follows. Should you ever find yourself in a situation in which you suspect that someone is listening in your private conversation, you might not be as

asked by studnet on February 17, 2017
89. ## Chemistry please help

I can't find the answer of A 0.1052 g sample of copper metal is dissolved in 55 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a total volume of 208.5 mL. (Calculate the molarity of Cu2+.) I calculated

asked by Ashley on June 21, 2013
90. ## physics

Find the acceleration of the two blocks sliding down the incline in the figure below. (Take m1 = 1.1 kg and m2 = 1.8 kg. Indicate the direction with the sign of your answer Link to figure, copy and paste part by part Part1: //d2vlcm61l7u1fs.cloudfront.

asked by joy on February 27, 2018
91. ## English

Read the following opening sentence of an introductory paragraph and answer the question that follows. Should you ever find yourself in a situation in which you suspect that someone is listening in your private conversation, you might not be as paranoid as

asked by brooke on October 20, 2016
92. ## Math (trigonometry)

A baseball diamond is actually a square with each side approximately 27.4 m. The pitcher's mound is 18.4 m from home plate on the diagonal of the square - note that the pitcher's mound is NOT located at the centre of the diamond! a) How far (to 3 decimal

asked by Sammy on December 2, 2012
93. ## cjs/210

Will someone please help me find a website to answer the following questions? What are the various functions of a police agency? Compare how the functions of a police agency differ at the federal, state, and local levels. What would happen if the various

asked by Picaboo on July 8, 2012
94. ## statistics

The weights of steers in a herd are distributed normally. The standard deviation is 200 lbs and the mean steer weight is 1200 lbs. Find the probability that the weight of a randomly selected steer is less than 1560 lbs. (Round your answer to 4 places).

asked by Anonymous on April 25, 2012
95. ## physics

A stone is thrown straight up from the ground with an initial speed of 30.5 m/s . At the same instant, a stone is dropped from a height of h meters above ground level. The two stones strike the ground simultaneously.Find the height h. gravity is 9.8 m/s2 .

asked by margaret on September 15, 2011
96. ## Math

I need to find the value of x. 5(x-4) = 3(x+8) Trying to help my niece and haven't done this stuff for 20 years. :) 5(x-4) = 3(x+8) 5x - 20 = 3x + 24 5x - 3x = 20 + 24 2x = 44 x = 22 I hope this brings back the algebra you studied 20 years ago. :-) By the

asked by Beth on August 6, 2007
97. ## Calculus Applied Integrals

A cylindrical tank of 22.1m high with radius 12.2m is filled to 10m high with water. How much work must be done to pump all the water out of the tank? (density of water is 1000\ kg/m^3) I used similar triangles somewhere in my calculations to find the

asked by Isabella on March 24, 2016
98. ## network neutrality

1. Explain what Net Neutrality is 2. Explain who wants and who doesn’t want Net Neutrality 3. Explain the Obama administrations stance on the issue 4. Why didn’t the FCC’s ruling cover wireless providers can you please help me find a link/websites

asked by blaze on February 11, 2012
99. ## physics

A mechanic pushes a 3090 kg car from rest to a speed of v, doing 5497 J of work in the process. During this time, the car moves 22.1 m. Find the speed v. Neglect friction between car and road. Answer in units of m/s. 1/2mv^2 doesnt work

asked by Mitchell on February 12, 2017
100. ## College Chemistry

A 86.3mL sample of water is initially at 17.4 degC. How many kilojoules (kJ) of heat must be added to raise the temperature of the water to 31.8? The specific heat capacity of water is 4.184 J/g.degC. How do I set this up to find the answer. Really

asked by Matthew on June 14, 2017