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

138,784 results, page 71-
## math

p(x) = X squared – 2x + 4 Find the domain of the function the answer I got was x/x is a real number and x =0 Help me Please

*asked by janay1978 on June 9, 2009* -
## Trig

Find the distance from pi. 7 pi/6. I subtracted 2 pi from this and got -5pi/6. But the correct answer is pi/6. Whwere did this come from?

*asked by Victoria on December 8, 2009* -
## Math

find the quotient: 1,754/12 a 1733 b 21 11/83 c 83 11/21 d 1775 Would C be the correct answer?

*asked by Steve on April 8, 2015* -
## 5th

find the missing number: 18,20,20,24,27,27,____,30,33,34,36,36,_ I need you to show me this answer cause, i got stuck with this one. thank you!

*asked by pat on September 30, 2010* -
## Calculus

Find the derivative for k(x) = (5x4 + 2)(3sin x). Would this be the answer: (60sinx)x^3+ (15cosx)x^5+ 2

*asked by Veronica on July 23, 2008* -
## TRIG

find: sin 23pi/12 i got totally the wrong answer how do i approach this?

*asked by Carry on March 2, 2009* -
## algebra/math

use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!

*asked by Ashley on September 26, 2008* -
## geometry

find the area of a square if each side measures 10 cm. my answer is 100 cm

*asked by K on August 16, 2008* -
## maths, variations

question: if y is proportional to x, and that y=6 when x=12, (A)express y in terms of x, (B)and find to value of x when y=12. answer: (A) x=y/3 (B) x=4 is what i did correct? i would appreciate your help!

*asked by hayley on December 18, 2007* -
## 3 grade math

write to explain- when you divide 24 by 6, what fraction of 24 are you finding? find the answer.

*asked by dw on January 30, 2012* -
## MaTh

Find the sum of all positive integers less than 1000 ending in 3 or 7. What is the answer?

*asked by Speedo on September 2, 2013* -
## Math

Find the slope of the line that goes through the given points. I think I figured out the answer but I would appreciate any feedback thanks! (3,-2),(-1,-6)

*asked by Jeff on February 24, 2009* -
## algebra

Hello, can you help me find the slope for x=2-y ____ 9 its 2-y over 9 I thought the answer was 2 but my professor said that's wrong. thanks

*asked by denise on January 21, 2010* -
## math problem

I have to find the area of a 14 yd square...the answer is the number plus the units squared

*asked by erin on July 13, 2012* -
## college math

Find the measure of the missing angle a = 33o would the correct answer be 66

*asked by Lourane on June 2, 2012* -
## Geometry

Find AB in simplest form if A(0,3) and B(2,7) AB=___________ *I need help on this last problem I have! Someone please walk me through and how to get the answer

*asked by Anonymous on September 11, 2014* -
## Calculus

Find the work done by F(x,y,z)=(x^2y)i=(x-z)j+(xyz)k where c=(t)i+(t^2)j+(2)k, 0

*asked by Ashley on October 28, 2014* -
## College Algebra

Find the difference quotient f(x+h)-f(x)/h, where h cannot be equal to 0 , for the function below. f(x)=1/x+9 Simplify your answer as much as possible.

*asked by Moses on February 1, 2017* -
## Algebra

Find the slope of the line that goes through the given points. I think I figured out the answer but I would appreciate any feedback thanks! (3,-2),(-1,-6)

*asked by Mitch on February 24, 2009* -
## maths

The line joining P(7,2) and Q(-2,3) cuts the x-axis at_____? Answer= (x,y) find x and y

*asked by hin chun on August 30, 2013* -
## L.ARTS

nouns ending in ful for their _____ by adding s. I can not seem to find this answer.

*asked by BOBBY on December 30, 2007* -
## math or physics

Find the distance from 0 to 3 of the ∫ l3t-5ldt. I don't understand how the answer is 41/6.

*asked by smith on September 22, 2018* -
## maths

find the value of cos(60degress+45degress) leaving ur answer in surds

*asked by ezinne ogb on March 16, 2016* -
## please check

5 x < - 25 can you check. 5x

*asked by Taylor on January 8, 2008* -
## math

If a = 2^3 œ 3^7 œ 5^3œ 11^4 and b = 2^2 œ 3^5 œ 7^2 œ 11 œ 13, find the following. (Leave your answer written with exponents). (a) GCD (a, b) (b) LCM (a, b)

*asked by Mike on January 19, 2010* -
## Math

Find the inverse function of f(x)=(x+4)/(2x-5) and then verify your result using: f(f^-1(x))=x and f^-1(f(x))=x. Please an answer fast

*asked by Shuki on May 12, 2016* -
## Math

Find the value of "s": s = 1^2 - 2^2 + 3^2 - 4^2 + ... - (2006)^2 + (2007)^2 Answer: 2 015 028 Help me solve it, please?

*asked by Anonymous on November 28, 2007* -
## algebra

Perform and give answer in simplified form Find the product (2x-5)^2

*asked by Marty on December 13, 2009* -
## Cal 1

How do you find dy/dx by implicit differentiation? x^3 + y^5 = 1 Damon answer isn't right and I have no idea what he did. Somebody please help.

*asked by Anyomous on November 6, 2010* -
## math

Explain how to find the sum 8 + (-10) using game chips, then give the answer.

*asked by chachis on August 16, 2011* -
## Math

find relative max or min point of 1+x+x/x My answer was 1 but I am not sure this is correct.

*asked by Hannah on April 2, 2011* -
## Statistics

Can someone help me with this question. I am so very confused. Find the y-intercept of the line whose equation is y=0.7x +6.2. could the answer be 5

*asked by mary ann on January 12, 2015* -
## Trigonometry

Find the domain of the function. Write your answer using infinity and union. f(x)=x/x^2+1 f(x)=2x^2/x-3

*asked by Carrie on October 9, 2012* -
## math

______-3 3/8= 2 1/2. (what fraction subtract 3 3/8= 2 1/2?) Please help me find the answer that belongs in the blank.

*asked by Trelle on December 15, 2008* -
## Algebra 2

Will someone please check if I am right???? find the second and third term of the arithmetic sequence -7, __,__,-22,-27... Options: -12,-15*** My Answer -17,-12 -10,-17 -12,-17

*asked by Ke$ha on March 31, 2016* -
## Math

Find the circumference of the circle (2.5 cm). Round your answer to the nearest centimeter.

*asked by Latoya on April 6, 2016* -
## Math

Can you please explain this to me. The problem is 7/16 - 3/20 First I have to find the common denominator which would be 80 How does the 7/16 become 35/80 (where does the 35 come from) How does the 3/20 become a 12/80 (Where does the 12 come from) 35/80

*asked by Liz on January 20, 2010* -
## math

Find the product. Estimate to check that your answer if reasonable. 191 x 88

*asked by Ressie on October 21, 2011* -
## Algebra

Trying to figure out how to find all numbers for which the rational expression is defined. 9/2z+5 Is the answer 0?

*asked by Cory on June 17, 2008* -
## algebra/math

use the FOIL method to perform the multiplication. (x^1/2-2)(x^1/2+4) I can not seem to find the answer to this problem. Can anyone help? Thank You!

*asked by Ashley on September 26, 2008* -
## Government

I can't seem to find the answer to this question and i need help: what were the main points of Virginia Plan?

*asked by J.S. on September 29, 2009* -
## COLLEGE CALCULUS. HELP!

the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+2dt, and find f"(x). my answer was: f'(x)=x^3+x^2+2 f"(x)=x^4/4 + 2x^3/3 + 2x it said its wrong.

*asked by lindsay on April 15, 2012* -
## calculus help

find the position function s(t) given acceleration a(t)=3t, if v(2)=0, and s(2)=1. the answer is s(t)=(t^3/2)-6t +9 but I don't know how to solve this. Can someone help me with this? Thank you!

*asked by Anonymous on April 23, 2014* -
## Geometry

Find the missing side. Approximate the answer to three decimal places when appropriate. A=15 yd C=25 yd? Help!

*asked by Susan on April 21, 2012* -
## college algebra

Radical and Rational Exponent find roots square roots of 12a^3/25=6a^3 -3-square roots 18/-6=-1 this is my answer am I right. check this for me it find the roots of the problem

*asked by JohnJ on May 25, 2010* -
## Math for Educators

Use Gauss's approach to find the following sums (do not use formulas). a. 1 + 2 + 3 + 4 +...+ 102 b. 1 + 3 + 5 + 7 +...+1001 a. The sum of the sequence is ? My answer 102-51(103)= 5,253 b. The sum of the sequence is? My answer 500.3(1,002)=501,300.6 Are my

*asked by Carol on June 4, 2013* -
## physics

At car (1140-kg)traveling at 76.04 m/s and truck (12600-kg)traveling 6.88 m/s have a head-on collision and then stick together. What is their final common velocity (m/s)? (assume the car is going in the positive direction) What is the cars' change in

*asked by Casey on June 30, 2011* -
## Algebra class!

You and your date go out for a fancy dinner. The bill comes to $105 and you want to leave a 15% tip. Without using a calculator, determine how much money you should leave for the tip. To find the answer I ……. Describe an alternate way to find the tip

*asked by Urgent! running out of time.... on February 18, 2013* -
## Algebra

The Bradys and their maid, Alice, took a trip to Hawaii for their summer vacation. The travel agent told Ike that the trip would cost $210 for each child plus another $315 per adult. According to the credit card receipt the trip cost a total of $2205 for

*asked by April Preston on May 9, 2017* -
## Math

Find the amount in an account if $2,000 is invested at 6.125%,compounded semi-annually,for 2 years. A)$2256.49 B)$2252.50 C)$2324.89 D)$544,757.84 Get yourself a pocket calculator or sharpen your pencil. The new amount will be 2000*(1.030625)^4 The

*asked by Sharai on March 14, 2007* -
## math

Suppose that a market research company finds that at a price of p = $30, they would sell x = 36 tiles each month. If they lower the price to p = $15, then more people would purchase the tile, and they can expect to sell x = 41 tiles in a month’s time.

*asked by jean on July 31, 2011* -
## SCIENCE

I need help. I cannot find an answer to this in my book. What would happen to a frog placed in seawater? What would happen to a sea cucumber put in fresh water? The concept here is osmosis. Bear in mind sea water is concentrated salt water. Then read the

*asked by Suzi on March 9, 2007* -
## Calculus

Let 5x^2 - 3xy + 58 = 2y^3 Use implicit differentiation to find y' for the above equation. The first thing I did was move 2y^3 over to that everything is equal to 0. With the -3xy I used the product rule and expanded that. After solving I got.... 10x(3 * y

*asked by Nira on March 5, 2017* -
## math

A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100

*asked by k on February 11, 2012* -
## Physics

A certain freely falling object, released from rest, requires 1.40 s to travel the last 20.5 m before it hits the ground. (a) Find the velocity of the object when it is 20.5 m above the ground. (Indicate the direction with the sign of your answer. Let the

*asked by Doug on September 4, 2018* -
## Math

Find the monthly payment, needed to have a sinking fund accumulate the future value, $16,000. The yearly interest rate is 6.7% and the number of payments is 20. Interest is compounded monthly. Round your answer to the nearest cent. I do not understand how

*asked by Anonymous on April 21, 2017* -
## Maths - Cartesian Equations

Find the corresponding Cartesian equation for each pair of parametric equations: x = t - (1/t) and y = 2*[t + (1/t)] The answer is y^2/16 - x^2/4 = 1 I have no idea where to begin. I tried squaring both equations in hope to easily remove t^2 but ended up

*asked by Jichu on December 27, 2016* -
## Math

Hi, I am getting very frustrated. I am doing an online homework for chemistry and it's telling me to round to the nearest WHOLE number. So the answer I got was -1435.650.... And I typed in -1436. and said I was wrong and so I tried it again and typed 1.4 x

*asked by Anonymous on August 5, 2010* -
## Intermediate Algebra

Please help with the below. I know the answer I need help figuring out how to get the answer I am obviously doing something wrong, because I come up with a different answer that what I am supposed to. Here it is: F(X)3Xsquared-5X+1 The correct answer is

*asked by BL on May 14, 2014* -
## Calculus 2

A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not

*asked by Liz on June 22, 2013* -
## mth174

A tank is full of water. Find the work W required to pump the water out of the spout. (Use 9.8 for g and 3.14 for π. If you enter your answer in scientific notation, round the decimal value to two decimal places. Use equivalent rounding if you do not

*asked by Alex on February 7, 2012* -
## Math

I can't remember how you find the roots of quadratic equations other than determining the zeroes of the equation and finding the x-intercepts. Can someone please give me a clear answer on this as my dad has been useless on this topic and I need help like

*asked by Alex on November 3, 2014* -
## math,correction

Geometry. Find the perimeter of the given figure. tHE Figure is a rectangle.It has height (8)/(2x-5) and length (8)/(2x-5) My answer is: (2(x+8))/(2x-5) ------------------------------------ Add or subtract as indicated. Express your result in simplest

*asked by jas20 on March 2, 2007* -
## English

Write the noun that is the simple subject. 1/ The red color of my sweater looks good with the bracelet. Answer: color. 2/ Some members of my family also enjoy stringing beads. Answer: family. 3/ This beaded necklace is one of my favorite pieces of jewelry.

*asked by Joj on October 10, 2015* -
## Calculus MATH

Problem statement a) Suppose f(x) is defined on 0 ≤ x ≤ 1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales

*asked by JIN on November 30, 2016* -
## Pre-Calc/ Trig

Find the sum of the three smallest positive values of theta such that 4(cos^2)(2theta-pi) =3. (Give your answer in radians.) LaTEX: Find the sum of the three smallest positive values of $\theta$ such that $4\cos^2(2\theta-\pi) =3$. (Give your answer in

*asked by Steve Ho on October 31, 2016* -
## More Rational Exponents!

1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the

*asked by Brady on February 15, 2014* -
## chemistry

how much thermal energy is needed to raise 500.0g of H2O at 50.0*C to steam at 100.0*C? step by step solution and answer!!???!! answer? You have to be kidding. Are you taking a quiz and want to turn it in? Goodness. Find the heat in each of the following.

*asked by crystine cole on April 12, 2007* -
## calc

a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use

*asked by Mark on December 1, 2009* -
## calc

a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For example, f(1/2) = 5 and f(0.719) = 7. Sketch the graph of y = f(x) on the unit interval with appropriate scales for x and for y. Use

*asked by Mark on December 1, 2009* -
## math

i need help with geometry semester b unit 7 lesson 10 surface area and volume unit test i need someone to check my anwsers and to tell what i did wrong 1) use euler's formula to find the missing number vertices 15 edges 24 faces? 9,10,11,12 My answer was

*asked by roseberlynn on May 23, 2018* -
## Literature

4. At the end of Chapter II of The Call of the Wild, what's meant by the phrase "The domesticated generations fell from him"? A. Buck has lost a lot of hair in his fight with Spitz. B. Buck is learning to love a human being again. C. Buck is losing his

*asked by Vmarie on November 28, 2015* -
## Physics

A copper wire with a criss section of 5 mm^2 and 2 km long has an effective resistance of 2Ohms. a) Find the power lost in this wire if 10000 W of power is put through it with 120 V of potential. [hint: use P=VI to get current first then P=I^2R] b) Express

*asked by Lana on December 27, 2008* -
## Physics

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 45 m/s (about 100 mi/h) in a time of 7.0 s. The combined mass of the car and riders is 5.5 × 103 kg. Find the average net force

*asked by Rash on September 27, 2018* -
## Day Care

Children will develop a sense of self-direction and competence if materials are arrangeed so that children A. must apply ingenuity to find needed materials. b. must ask a caregiver for needed materials c. can easily find matereials themselves. d. will be

*asked by Cynthia on January 9, 2009* -
## Reading/Abnormal psychology

Hello, I am reading the book Girl Interrupted and have to write a review on it, I know that the main person in the book had borderline personality, but I need to find how the treatment an or disorder affected the family, and I can't find the answer to that

*asked by Ashley on October 1, 2008* -
## Physics

A 0.525 kg ball starts from rest and rolls down a hill with uniform acceleration, traveling 154 m during the second 10.0 s of its motion. How far did it roll during the first 4.00 of motion? I thought the answer was .2464 m, but it has been a couple of

*asked by Josh on September 12, 2006* -
## Chemistry

I cannot find information that gives me a clear answer whether NaBr is an electrolyte or non electrolyte. I have found some information that K2SO4 is an electrolyte, but now I am doubting that. All of my others I have been able to find solid information

*asked by Larry on January 31, 2008* -
## algebra

An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is 230% of the distance from Boston to St. Louis. Find the distance from Boston to St. Louis to the nearest mile. The answer is 1048

*asked by 1carriebear on August 28, 2011* -
## Physics (Rotational Kinetic Energy)

Hello, The question is: A solid ball rolls along the floor with a constant linear speed v. Find the fraction of its total kinetic energy that is in the form of rotational kinetic energy about the center of the ball. Krot/Ktotal = ? The answer I keep

*asked by Ben on October 22, 2009* -
## Chemistry

Here's a molar heat problem I just have one question on. How much heat will be transferred if 2 moles of hydrogen reacts with excess oxygen according to the reaction below? 2H2 + O2 yields 2H20 + 572 kJ The answer according to my answer key is 2 mole H2 x

*asked by Tabetha on May 18, 2009* -
## Physics

A 6 kg rock is suspended by a massless string from one end of a 6m measuring stick. What is the mass of the measuring stick if it is balanced by a support force at the 1m mark? answer in units of kg. Thanks for any help Rather than just posting the

*asked by Stu on April 27, 2007* -
## Algebara

How do you find the square root of 14 without a calculator? I know I need to use the square root of 9 which is 3 and the square roots of 16 which is 4. I know the answer is gonna be closer to 4 because 14 is closer to 16. I just can't figure how to get the

*asked by Dom on August 17, 2016* -
## AP Calculus

Consider the curve given by x^2+4y^2=7+3xy a) Show that dy/dx=(3y-2x)/(8y-3x) b) Show that there is a point P with x-coordinate 3 at which the line tangent to the curve at P is horizontal. Find the y-coordinate of P. c) Find the value of d^2y/dx^2 (second

*asked by Leanna on January 26, 2011* -
## English- 5

Directions: In each of the following sentences some part of the sentence or the entire sentence is underlined. Beneath each sentence you will find four ways of writing the underlined part. The first of these repeats the original, but the other three are

*asked by rose- Ms. sue on May 28, 2008* -
## math,correction

Is this correct or no. I need help in a couple of problems can someone explain them to me. Problem#1 directions: Factor each expression a^2(b-c)-16b^2(b-c) My answer is: (b-c)(a-4b)(a+4b) PROBLEM#2 dIRECTIONS: Find a value for k so that 2x^3-kxy^2 will

*asked by jas20 on February 24, 2007* -
## Algebra 1

11) Tell which real number corresponds to the situation. During a quiz, a person loses 1800 pts. answer: -1800 12) Solve for y z=yq Answer: z-q=y 13) Solve using the multiplication principle 10x=-90 Answer: x= -9 14) Collect like terms 20w+w+14/19w Answer:

*asked by deedee on November 5, 2008* -
## calculus

Calculate the following integral: ∫ (square root(9x^2 - 16)) / x^2 I found: ∫ (square root((3x)^2 - (4)^2)) / x^2 x = a sec0 3x = 4 sec0 x = 4/3 sec0 dx = 4/3 sec0tan0 d0 4/3 ∫ [(square root(4sec0)^2 - 16)(sec0tan0 d0)] / x^2 I'm lost from here and

*asked by Paul on September 13, 2012* -
## CHEMISTRY (WEBWORK)

SPARTAN: Use the information from question #1 to answer the following. A. Which two orbitals from CV+ and –OH will overlap creating the C-O bond in CVOH? ______ (Use i, ii, iv, etc. for your answer) B. Which of the following accurately shows the orbital

*asked by june on July 18, 2010* -
## College Physics

Four masses are positioned at the corners of a rectangle, as indicated in the figure below (not to scale). x 1kg------2kg | | | |y 3kg------4kg (a)Find the MAGNITUDE and DIRECTION of the net force acting on the 2.0 kg mass if x = 0.20 m and y = 0.11 m.

*asked by Sara on December 11, 2010* -
## check

#19, Inclusive Language-Quoting from Biased Material - The mayors and their wives were invited on a tour of the state buildings. Answer: The maors and their wives[sic] were invited on a tour of the state buildings. #8. Puctuation-colon - Studing is

*asked by marie on August 25, 2007* -
## Spanish

I have to find the verbs in the preterite and the imperfect but I'm getting them marked wrong. 1. Mi amiga Anita siempre tenía dolor de cabeza cuando estudiaba. my answer: tenía; estudiaba 2. El diente me dolió todo el fin de semana pero el lunes el

*asked by B on March 29, 2011* -
## Linear algebra

If →u and →v are the vectors below, find the vector →w whose tail is at the point halfway from the tip of →v to the tip of →v−→u and whose head is at the point halfway from the tip of →u to the tip of →u+→v. Assume all vectors are in

*asked by sal on September 22, 2018* -
## Calc

Does 1/ln(x+1) converge or diverge? I've tried the nth term test, limit comparison test, and integral test. All I get is inconclusive. The other tests I have (geometric series, p-series, telescoping series, alternating series, and root tests) don't apply.

*asked by Mischa on March 22, 2007* -
## Differential equation

A first order linear equation in the form y′+p(x)y=f(x) can be solved by finding an integrating factor μ(x)=exp(∫p(x)dx) (1) Given the equation (x+4)^2y′+5(x+4)y=16 find μ(x)= I found it to be e^(5ln(x+4))which is correct** (2) Then an explicit

*asked by Joe on June 15, 2015* -
## Math

Please check double check me please. For the decimal 8.57932 What is the place value of 5? Ten Thousandths What is the place value of 2? Ones Write each of the following as a common fraction or mixed number 4.0171 Answer: 4 171/10,000 Arrange in order from

*asked by Allison on February 20, 2008* -
## Math

How do you solve this? I have tryed so many times and can not get the right answer. (1.65-1.05)^2/0.4+0.8 The answer is suppose to be 1.7 but everytime I do the problem i don't get anything near that answer. Help would be greatly appreciated.

*asked by Sally on January 21, 2010* -
## calculus

Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(-y/3) for y(0)=10 my answer was y=10e^(-x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)-4 3. dz/dt=te^z for z(0)=0 my answer was

*asked by tia on April 14, 2008* -
## calculus

Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(-y/3) for y(0)=10 my answer was y=10e^(-x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)-4 3. dz/dt=te^z for z(0)=0 my answer was

*asked by tia on April 16, 2008* -
## math

answer the following for the given quadratic function. f(x)=x^2+x^2-8 a. what is the vertex (h,k) of f? (h,k)=? simplify your answer and type the answer in an ordered pair b. what is the axis of symmetry?

*asked by Heather on January 1, 2013*