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

143,010 questions, page 93-
## ECON

A pure monopolist sells output for $4.00 per unit at the current level of production. At this level of output, the marginal cost is $3.00, average variable costs are $3.75, and average total costs are $4.25. The marginal revenue is $3.00. What is the

*asked by KP on March 22, 2011* -
## physics

A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring. Calculate the

*asked by Anonymous on September 22, 2010* -
## MathematicalModels

Consider the Vasicek model for the short rate dr(t)=(b−ar(t))dt+γdW1(t) and the Black-Scholes-Merton model for a stock S dS(t)=r(t)S(t)dt+σS(t)dW2(t) where W1 and W2 are Brownian motions under the risk-neutral probability, and they have correlation ρ.

*asked by RVE on May 18, 2015* -
## physics

A place kicker must kick a football from a point 32.2 m from a goal. As a result of the kick, the ball must clear the crossbar, which is 3.05 m high. When kicked the ball leaves the ground with a speed of 20.8 m/s at an angle of 53° to the horizontal. (a)

*asked by Anonymous on December 13, 2012* -
## English - The Red Badge of Courage

1.Why did the youth enlist? (1 point) He was eager to join the war.***** He was drafted. He wanted to avenge the death of his friend. 2. From what point of view is the story told? (1 point) first-person point of view third-person limited point of view*****

*asked by SkatingDJ on November 4, 2015* -
## science

Which direction will the box move in the diagram below? (Its a square in the middle and it has a long arrow pointing to it on the left side which is 5 N and then on the right side theirs a short arrow pointing to it which is 3 N) A. It will move to the

*asked by Amber on January 14, 2016* -
## FACS - Reading Assignment Help!

I have this reading assignment for Family and Consumer Science. She gave us this packet for notes and to read to answer questions she gave us (that's our reading assignment which she is grading). So we answer the questions and to find the answers we look

*asked by Laruen on April 22, 2012* -
## english

sorry i havent really used this site and im not sure how to repost my question instead of putting it as an answer to my question so heres the repost: I had to find embedded clauses I deplore the fact that bats have wings. --> bats have wings That Guinevere

*asked by Anonymous on July 7, 2008* -
## physics

Some kids playing at the park get creative, and they turn a seesaw into a trebuchet – they slide the plank until only 20 cm of its total length of 4 m extends from one side of the fulcrum. While bracing the system in a horizontal position, they place a

*asked by Jessica on July 12, 2012* -
## Math check

The number of ships to arrive at a harbor on any given day is a random variable represented by x. The probability distribution of x is as follows. (Give your answers correct to two decimal places.) x 10 11 12 13 14 P(x) 0.37 0.09 0.05 0.14 0.35 (a) Find

*asked by Nora 55 on June 2, 2013* -
## Algebra check?

Sorry the first post formatted weirdly. 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ------------ -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square root -64 + 12 square

*asked by John on November 2, 2014* -
## Algebra

Can you tell me if my answers are correct for these problems? 1. 3i - 10 --------- 8i - 5 Answer 74 65i ---- + ----- 89 89 2. 11i^2 + 1 ----------- -12i - 8 Answer: 5 (2 - 3 i) ------------- 26 3. square root -25 * 8 square root -49 Answer: -280 4. square

*asked by John on November 2, 2014* -
## Algebra

1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

*asked by Carmen on September 21, 2008* -
## Algebra

1) translate to an algebraic expression: one less than a product of two numbers A: xy-1 2) 12/25 = ? A: ? = .48 3) Find -x when x= -25/41 (this is a fraction) A: -x = 41/25 4) Use a commutative law to find an equivalent expression. An equivalent expression

*asked by Carmen on September 21, 2008* -
## Science Question for Lance

Histones interact with DNA at specific loci because DNA has phosphate functional groups. This interaction occurs because histones have a net _____ positive charge, which derives from their ______ residues, and interact with DNA because of its net _______

*asked by sara on July 22, 2006* -
## physics

Two railroad freight cars with masses 110 Mg and 150 Mg approach with equal speeds of 0.310 m/s . They collide, the lighter car rebounding opposite its original direction at 0.270 m/s. Find the velocity of the heavier car after the collision. Assume the

*asked by lizbeth on February 22, 2016* -
## Literature

I have to write an essay describing the external conflict Nat Hocken from the short story 'The Birds' encounters and how he overcomes it. This is what I got: In The Birds, Nat Hocken, a farm worker and war veteran notices an unusual number of birds

*asked by mysterychicken on October 16, 2009* -
## Spanish: check answers

16. Which sentence is correct? A. Yo no entiendo a la maestra. *B. Yo no entiendo a este libro. Possessive Adjectives 17. What would be the correct PA in Spanish? : Ellos tienen (their) libros. Answer:sus 18. What would be the correct PA in Spanish? : Ella

*asked by Cassie on March 7, 2013* -
## Social Studies

The Golden age of Indian culture came during which empire? 1. Roman 2. Persian 3. Gupta**** 4. Mauryan This raja conquered weak kingdoms left by Alexander the Great. 1. Chandragupta Maurya**** 2. Asoka 3. Hari Krishna 4. Vishnu In this section of the

*asked by Anonymous on February 8, 2017* -
## Philosophy

a) Using long or short truth tables (symbolize as necessary and show tables) determine and state whether the following argument is valid, briefly explaining your table; and b) if valid, demonstrate validity by deductions using Group I rules. Arg If Peter

*asked by Anne on December 14, 2006* -
## language arts

“Raymond’s Run” by Toni Cade Bambara Writing About the Big Question argument compromise injury insecurity interact irritate mislead negotiate oppose reaction solution stalemate victorious viewpoint violence A. Use a word from the list above to

*asked by daaaisy on September 12, 2018* -
## physics

Each croquet ball in a set has a mass of 0.45 kg. The green ball, traveling at 12.6 m/s, strikes the blue ball, which is at rest. Assuming that the balls slide on a friction- less surface and all collisions are head-on, find the final speed of the blue

*asked by Anonymous on January 5, 2010* -
## AP Calculus AB Part 2

The Riemann sum, the limit as the maximum of delta x sub i goes to infinity of the summation from i equals 1 to n of f of the quantity x star sub i times delta x sub i , is equivalent to the limit as n goes to infinity of the summation from i equals 1 to n

*asked by George on January 26, 2018* -
## English

correct the following tenese please soemone help me as soon as possible plz plz Concentration does not mean (1) think only one idea. Concentration means holding a central issue in mind while you (2)except or reject ideas that are related to that issue. In

*asked by shan on July 24, 2010* -
## Calculus

I apologize if this question is too much to ask on this site, but I am really confused. Any help would be greatly appreciated. The famous formula shown below is called Euler’s formula, after the Swiss mathematician Leonhard Euler (1707-1783). e^(a + bi)

*asked by Sade on November 7, 2016* -
## Early Child Ed.

Yes. Temper tantrums are usually caused by a child's frustrations and is strictly emotional. B. is the best answer. By the way, beware of any answer that says "always" or "never." When you're working with people, there are almost no situations that are

*asked by Ms. Sue on August 2, 2007* -
## Algebra 2

A 14 gram sample of a substance that's used to preserve fruit and vegetables has a k-value of 0.1092. Find the substance's half-life, in days. Round your answer to the nearest tenth.

*asked by Tristan on May 7, 2013* -
## College Algebra 1

Factor completely. Remember to look first for a common factor and check by multiplying. if polynomial is prime, state this. -36a^2-96ab-54b^2 I couldn't find the right answer.

*asked by clary on March 27, 2016* -
## Pre-Calc.

The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).

*asked by anonymous on November 27, 2014* -
## Calculus

Find the linear approximation of the function f(x)=^3sqrt(1+3x) at a=0 and use it to approximate ^3sqrt(1.03)Is this an overestimate or underestimate of the actual value? Explain your answer in terms of the tangent line and the curve.

*asked by Anonymous on April 11, 2013* -
## Calculus 1

Find the number c that satisfies the conclusion of the Mean Value Theorem on the given interval. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = sqrt(x), [0,16]

*asked by TayB on October 24, 2015* -
## Chemistry

I was given extra credit to find who Le Châtelier's High School Principal was. Not his PrincipLE, but his PrincipAL. My chemistry teacher told us only one student of his out of all these years came with the answer. Think outside of the box. Thanks.

*asked by John on March 11, 2013* -
## Math

A semi circle sits on top of a rectangle to form the figure below find its area and perimeter use 3.4 for pie on the side 4 inches and on the bottom 6 inches what is the answer

*asked by Jamie on November 6, 2017* -
## math

For a normal distribution with mean of 80 and a standard deviation of 8, find the number of standard deviations the raw score 67 is from the mean (Give answer as a positive value rounded to nearest hundredth).

*asked by Sam on July 19, 2017* -
## math probability

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be:48/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say

*asked by crystal on April 20, 2010* -
## Math

The two equal sides of an isosceles triangle are each 24 centimeters. If each of the two equal angles measures 60, find the length of the base and the altitude. (leave your answer in radical form).

*asked by anonymous on November 27, 2014* -
## phyics

A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration. If you wish to find the distance traveled using the equation d=1/2at2, what value should you use for a? Express your answer to two significant figures and include the appropriate

*asked by sarah on September 20, 2015* -
## Calculus

I don't understand how to answer this problem: The base of a solid is bounded by y=x+1 and y= x^2-1. Find the volume of the solid if the cross section is perpendicular to the x axis are equilateral triangles.

*asked by Alexandra on April 17, 2011* -
## calculus

Consider the following shaded region. Find the area S of this region if a = 6, b = 3. (Give an exact answer.) The two graphs intercept at 0 and the other limit is not given. The integral is int(ax-x^2)-(bx. So y=ax+x^2 is the graph on top and y=bx is at

*asked by aimee on February 12, 2010* -
## Stats

Find the P-value for a left tailed hypothesis test with a test statistic of z= -1.77. Decide wether to reject the null if the level of significance is alpha= 0.05. Please help I've tried everything and I can't figure out how to get the right answer..

*asked by Christina on April 17, 2014* -
## Variation

Please check my work, the answer I am suppose to get is 17.5, but instead I got 2.5. Solve the problem. 66. y varies jointly as a and b inversely as the square root of c, y=24 when a=6,b=4, and c=49. Find y when a=2, b=5, and c=16. -I got: y=kab/ sqrt of

*asked by Soly on October 12, 2007* -
## MORTGAGE

Find the monthly payment for the loan. (Round your answer to the nearest cent.) A $128,000 home bought with a 20% down payment and the balance financed for 30 years at 8.5%

*asked by Anonymous on February 16, 2014* -
## Math Probability Distribution

A probability distribution has a mean of 57 and a standard deviation of 1.4. Use Chebychev’s inequality to find the value of c that guarantees the probability is at least 96% that an outcome of the experiment lies between 57 - c and 57 - c. (Round the

*asked by Bobbie on December 8, 2016* -
## Physics

Sam tosses a ball horizontally off a footbridge at 4.3 m/s. How much time passes after he releases it until its speed doubles? Can someone please explain the correct equation to use thoroughly and help me to find the correct answer?!

*asked by Megan on May 25, 2012* -
## pre calc

Find the values of b such that the system has one solution. x^2 + y^2 = 36 y= x+b and then they give me an answer box b=_________ (smaller value) b=_________ (larger value) i have absolutely no idea how to even begin this and what they are asking. could

*asked by gabs on June 7, 2011* -
## calculus

Find the absolute extrema of the function (if any exist) on each interval. (If an answer does not exist, enter DNE.) f(x) = square root of (25 − x^2) (a) [−5, 5] minimum (x, y) = (smaller x-value) (x, y) = (larger x-value) maximum (x, y) =

*asked by Sam on April 5, 2016* -
## Math-Algebra 1

The price of a gallon of unleaded gas has dropped to $2.80 today. Yesterday's price was $2.87 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

*asked by EmilyS. on July 15, 2011* -
## Physics

A block of mass 5 kg, which has an initial speed of 3 m/s at time t = 0, slides on a horizontal surface. Find the magnitude of the work that must be done on the block to bring it to rest. Answer in units of J.

*asked by Dave on February 27, 2011* -
## Chemistry

K+(aq) + Al3+(aq) + 2SO42-(aq) + 2H2O(l)→KAl (SO4)2 * 12H2O(s) Al is limiting and 1.007 g Find the theoretical yield and percent yield I think the answer is 17 and 40, respect. I just need help figuring it out

*asked by Emily on December 5, 2013* -
## Chemistry

I was given extra credit to find who Le Châtelier's High School Principal was. Not his PrincipLE, but his PrincipAL. My chemistry teacher told us only one student of his out of all these years came with the answer. Think outside of the box. Thanks.

*asked by Enrico on March 2, 2013* -
## Geometry

Find the missing numbers for the dimensions and measures of a rectangular prism... Length 5 m Width ? Height ? Surface Area 94 m to the second power Volume 60 m to the third power Please answer the one's with a ?. Thank you.

*asked by Susie on December 9, 2013* -
## precalculus

find the trigonometric form of the following number: -7 + 4i I keep getting the wrong answer for these questions. mine was: square root of 65 (cos330.255 degrees + sin330.255i degrees)

*asked by bill on May 25, 2008* -
## CALCULOUS

A bank account is growing by 4.3 % per year. Find the doubling time. Round your answer to the nearest integer. Can someone explain how to solve this step by step. I have been stuck on this for quite a while

*asked by James on October 3, 2014* -
## Math

The volleyball court -if it id 80 ft long and 50 ft wide, how would you find the dimensions of the court? Explain please! Remember that I am a 6th grader. Please don't give me a 10-12th grade answer.

*asked by D on September 24, 2012* -
## physics

Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 5.00 cm and b = 23.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.) f1=

*asked by alba on March 4, 2015* -
## 8th Grade Pre-Algebra

Find the value of the following expression: (2^8 ⋅ 5−5 ⋅ 19^0)−2 ⋅ (5-2/2^3)^4 ⋅ 2^28 (5 points) Write your answer in simplified form. Show all of your steps. (5 points) Please somebody help me I'm so confused. I know I'm supposed to use PEMDAS

*asked by Music Lover 14 on October 26, 2016* -
## math

Find the present value, using the present value formula. (Round your answer to the nearest cent.) Achieve $225,500 at 8.45% compounded continuously for 8 years, 145 days.

*asked by emily on November 12, 2014* -
## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. Between y = x^2 − 4x + 1 and y = −x^2 + 4x − 5 for x in [0, 3]

*asked by tiffany on December 16, 2013* -
## Math

Make a scale drawing to answer the question A boy starts at A and walks 3km east of B he then walks 4km north to c find the distance and bearing of c from a

*asked by Bolu on April 27, 2019* -
## Calculus

Given vectors u= (1,-1,3) and v= (-4,5,3) find an ordered triple that represents vectors 3u-2v. a.(16,1,-7) b.(11,-13,3) c.(10,-12,1) d.(7,-7,16) I don't want you to straight up give me the answer. I need someone to teach me how to solve this problem. I am

*asked by alana on August 23, 2012* -
## Math

Have to find the age of a family of 7. I'm told that the youngest child is 6, the oldest is 16 have a set of twins that are 15. The mean is 11 and the mean is 10. I added up all the numbers and got 73. Thought that if I added 4 I got 77 and then could get

*asked by Lori on October 27, 2010* -
## physics

Find a vector with a magnitude of 1.00 that bisects the angle between the vectors 5.00i + 11.0j and 2.00i − 1.00j. Give your answer in rectangular coordinates. Please explain how you arrived at the solution. Thanks!

*asked by melissa on January 19, 2011* -
## Chemistry

You have 100.0 mL of 0.2500 M solution of NaCl sitting in a beaker. After several days you test the solution and find out that it is now 0.3721M. How much water must have evaporated?? I got 67.2 mL but its the wrong answer.. PLS HELP!

*asked by Tc on May 5, 2011* -
## ethics in technology

discuss the legal protections related to copyright, trade secracy, and patents. Include an example where legal protection has been enforced... where can i go to find more information to answer this question!!

*asked by breeamberr on February 4, 2015* -
## College Math

Suzy has a bag containing 5 red marbles, 2 green ones, 4 white ones, and 3 purple ones. She grabs 9 of them. Find the probability that she does not have all the green ones. Express the answer as a fraction in lowest terms.

*asked by Sabrina on April 21, 2009* -
## Algebra 2

Find a real plynomial equation with real coefficients that has the given roots. 3-2i, 3+2i Should I just make it [x- (3-2i)][x + (3-2i)] then multiply it out and there's my answer? angela, thanks for your help how did you get the 56.80 from my problem.

*asked by Angela on December 20, 2006* -
## Physics

Three equal charges q form an equilateral triangle of side a. Find the potential at the center of the triangle. Express answer in terms of the variables a, q and Coulomb constant k.

*asked by Heather on March 9, 2010* -
## math

One card is selected at random from an ordinary set of 52 cards. Find the probability of each of the following events: d. A jack is not drawn would the answer be:48/52 since you subtract 4 from 52 for the four jacks and simplify to get 12/13 or do you say

*asked by crystal on April 20, 2010* -
## Pre Algebra

You deposit $3350 into a savings account that earns 5% interest compounded annually. Find the balance of the account after 2 years. Round your answer to the nearest cent

*asked by Sarah on March 13, 2012* -
## World History

I can't find the answer for these anywhere: 2. Who were bishops of the five administrative centers for the church in the last years of the Roman Empire? 4. Who was a powerful aristocratic class that controlled Roman government and society Please help!

*asked by mysterychicken on February 6, 2012* -
## maths

Trigonometry query. ABC is a rightangled triangle. AD is the bisector of angle BAC. Angle DAC = 15 degrees. X = CD. find X. I know the answer is 7.1 but cannot work out the theory. Could you please help? Thankyou.

*asked by jane on May 5, 2011* -
## Math

Using the equation B=p(1+r)^n [B, Balance; p, principal deposit; r, rate; n, number of interest periods]. Find the balance when you have $17,500 in the bank at 4.25% compounded annually for 6 years. I know the answer but not how to do it.

*asked by Christie on February 12, 2015* -
## physics

A sign with a mass of (24) kg is hanging in two wires both making an angle of (52) degrees with the vertical. Find the tension in one of the wires. Give your answer in newtons (N) and with 3 significant figures.

*asked by dalia on February 9, 2017* -
## math

alison invests £400 in an account paying compound interest 4% per annum.find the interest earned over 5 years,round your answer to 3 significant figures.

*asked by rahel on October 25, 2012* -
## world history

sumer was made up of 1 provinces 2 independent city-states 3 satrapies 4 two kingdoms http://en.wikipedia.org/wiki/Sumer You should be able to find your answer in this article. =)

*asked by jess on July 6, 2007* -
## Physics-Urgent

A sign with a mass of 23 kg is hanging in two wires both making an angle of 27 degrees with the vertical. Find the tension in one of the wires. Give your answer in newtons (N) and with 3 significant figures.

*asked by Anonymous on September 27, 2015* -
## physics

Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 11.0 cm and b = 23.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.)

*asked by Anonymous on April 30, 2012* -
## US History

Describe the deal the South Improvement Company made with the railroads and the advantages offered Standard Oil as well as the railroads. Can't find the answer anywhere in the packet that I was given. Any help would be appreciated, please and thank you!

*asked by Alex on January 8, 2014* -
## Geometry

Find the area of a segment of a circle, in which the radius of the circle it is in, is 6cm, and the central angle measures 120 degrees. Round your answer to the nearest tenth.

*asked by Anonymous on May 20, 2012* -
## 7th grade math

16. Find the final balance in an account with $730 invested at 3% annual simple interest for 4 years. (1 point) $735.48 $87.60 $817.60 $8,760.00 is the answer 817.60

*asked by Delilah on December 5, 2012* -
## Math

The price of a gallon of unleaded gas was $2.86 yesterday. Today, the price fell to $2.81 . Find the percentage decrease. Round your answer to the nearest tenth of a percent.

*asked by Nayomi on January 29, 2018* -
## Algebra

Let k(x) = -3.7e^0.8x + 8.2 Find the asymptote, y-intercept, k(-2), and k(6.25) 1. Asymptote = 2. Y - intercept = 3. k(-2) = (leave answer in terms of e) 4. k(6.25) = (leave answer in terms of e)

*asked by A on May 12, 2014* -
## crt

Can someone check these answers for me? I have to identify which examples are vague and ambuiguity. Areas that were vague was the following : “For instance, in 1998, medical expenses due to obesity accounted for 9.1 percent of total U.S. medical

*asked by Kim on July 16, 2009* -
## physic question

Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 2.15 m from the edge of the table, see the figure. Bobby

*asked by mujisen on November 2, 2012* -
## physics help

Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 1.60 m from the edge of the table, see the figure. Bobby

*asked by stan on March 18, 2010* -
## Algebra

How do I find the answer to this question? (9x squared + 6x- 3)- (-5x squared + 8x-8)

*asked by Stephanie on January 4, 2010* -
## Math help update

let f(x) = 12x^2 +7x-10. Find x such that f(x)=0 a.) -4/5, 5/3 b.) -5/4, 2/3 c.) -2/5, 5/3 d.) -5/3, 2/3 I think I have it. I was able to factor out 12x^2 +7x-10 to (4x+5) (3x-2)=0 The answer is -5/4 and 2/3 right?

*asked by Shawn on November 9, 2008* -
## Calculus

Give an appropriate answer. Let lim x→6 f(x)=81. Find lim x→6 4^√f(x).

*asked by tony on September 22, 2013* -
## arithmetic

What number is 7 more than another number their answer is 23 Find the numbers.

*asked by Adrianne on February 6, 2013* -
## Algebra II

Find the value of tan[tan^-1 1/2] My answer is 1/2. Is this correct?

*asked by Lucy on April 6, 2008* -
## algebra

what is the step by step way to find the answer to this question: 1/x = 4/3x + 1

*asked by kells on August 30, 2007* -
## Calculus Please Check my answer

find d/dx (integral from 2 to x^4) tan(x^2) dx tan(x^4)^2*4x^3 MY ANSWER

*asked by Ke$ha on May 25, 2017* -
## math 1050

how do I find the answer to if the point (5,-3) is a point on the graph of f then f(?)=(?)

*asked by sherie on September 5, 2016* -
## maths

How do I find the derivative of ln(ln(1-x))? I know that the derivative of ln(ln(x)) would be 1/xlnx. Would the answer be 1/(1-x)ln(1-x)?

*asked by Ashley on February 21, 2012* -
## math thanks for your help

let f(x)=-4x+7. find and simplify f(n) f(n)=_____ simplify your answer

*asked by Ernie on October 30, 2014* -
## Calculus

If lim x->4 f(x)-5/x-2 =1, find lim x->4 f(x). I know the answer is 7, I need help on solving it. Thanks

*asked by Mike on May 6, 2017* -
## Calculus

find f'(a) for f(x)=1/sqrt(13-7x) i got my answer to be 7 / (7(13-7x)sqrt(13-7x)) but it says i am wrong please help

*asked by Kelly on October 2, 2011* -
## Calculus

find f'(a) for f(x)=1/sqrt(13-7x) i got my answer to be 7 / (7(13-7x)sqrt(13-7x)) but it says i am wrong please help

*asked by Kelly on October 2, 2011* -
## math

square of 3+1 divided by square of 2 how to find the answer

*asked by priya on June 4, 2009* -
## math help please

Find the product. -3m(m+8) A.-3m^2+42 B.-3m^2-24m C.-24m^2 D.-4m+5 Is the answer B??

*asked by gwen on May 13, 2015*

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