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

139,202 results, page 80-
## pre algebra 8th

1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d=

*asked by Takisha on November 1, 2016* -
## pre algebra 8th grade

1. Frances earns a salary of $ 3,200 per month plus a commission of 2% of his sales. He wants to earn at least $4,000 this month. Write an inequality to find the dollar amount of the sales that will meet his goal. Identify what your variable represents. d=

*asked by check my work PLEASE/THANK YOU on November 1, 2016* -
## Math

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

*asked by Jen on July 20, 2011* -
## Math...Applying the Order of Operations

Can you please show me where i'm going wrong? Here's the question: 2(14+35/7) - ((-14 + -35)/-7) A.28 B.31 C.26 D.26 E.38 Here are the rules that apply: Multiplying and Dividing Integers. *If the signs are the same,then give the answer a positive sign. *If

*asked by Ryan on February 19, 2009* -
## Math

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

*asked by Jen on July 19, 2011* -
## Math-probability

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

*asked by Jen on July 20, 2011* -
## calculus

a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into th tank of fish. the glass is 10 feet high, 25 feet long and the top of the glass is 3 feet below the top of the water. the

*asked by student on February 12, 2008* -
## Precalculus

How do you setup the equation for this? Thanky ou! Find the ratio of the surface area of a cylinder to the volume of the cylinder if the height remains at 10 cm. Simplify this ratio and let f(x) = the simplified ratio. Let r be the radius of the cylinder.

*asked by melinda on January 13, 2012* -
## math

32: The trapezoids are similar. The area of the smaller trapezoid is 711 m². Find the area of the larger trapezoid to the nearest whole number. The one trapezoid has a base of 27 m and the larger one has a base of 39 m. 39: Find the circumference. Leave

*asked by Mia on August 24, 2018* -
## Math.

A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24

*asked by Anonymous on May 21, 2015* -
## Math!! (repost) really need help!!

A cone has a diameter of 24 in. and a height of 10in. What is the volume of s cone? use 3.14 as an approximation.. final answer in tenths - Im stuck between two answers: 94.25 because if I do 3 x 10 to find the volume. I say 3 because the diameter is 24

*asked by Anonymous on May 21, 2015* -
## Calculus

(a) Find the tangent line approximation for sqrt(9+x) near x=0. (b)Find a formula for the error, E(x),in the tangent line approximation found in part (a). For part A, is the answer y=3. For part b, I don't understand , any help would be greatly

*asked by George on November 5, 2008* -
## Math

Formula given: The decibel (dB) scale for measuring loudness, d, is given by the formula d = 10 log base ten(I X 12 to the power of 12) where I is the intensity of sound in watts per square metre. a) Find the number of decibels of sound produced by a jet

*asked by Donna on February 16, 2014* -
## Math: Homework Questons (answer quick)

Can you check if the answer is correct and of there any grammar mistakes. Write True or False and EXPLAIN your reasoning for the answer!!!! 8. (5 - 2) - 1 = 5 - (2 - 1) Answer: True Reason: The reason why my answer to this question is true is because when

*asked by Laruen on November 16, 2011* -
## social studies

1. what name did the people give to the good ship "Constitution"? Answer: Old Ironsides 2. Andrew Jackson is often spoken of by what nickname? Answer: King Mob 3. England's practice of forcing our sailors to serve in her navy was called what? Answer:

*asked by Anonymous on May 6, 2014* -
## Physics

A parachutist bails out and freely falls 64.7 m. Then the parachute opens and thereafter she decelerates at 1.88 m/s2. She reaches the ground with a speed of 3.07 m/s. What is her average speed (in m/s) for the fall? I was planning on finding the time

*asked by Ralph on June 29, 2015* -
## Elementary Satistics

Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of

*asked by Vickie Huff on September 21, 2014* -
## Physics

Just as no mechanical device can be 100% efficient, no heat engine can transfer 100% of its heat to a single object. Some of the heat energy must be wasted (released into the environment). We have a heat engine that produces 150 J of heat, does 40 J of

*asked by Jessica on December 7, 2016* -
## physics

A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below. Find the work done by the force on the object as it moves as follows: (a) from x = 0 to x = 4.00 m 1 Your response differs from the correct answer by 10% to

*asked by fdtc on October 21, 2009* -
## cal

1. Given the function f(x) and g(x) below determine the following: A) f o g(3) ANSWER: B) f o g(-4) ANSWER: C) g o f(0) ANSWER: D) f o f(1) ANSWER: E) g o g(-2) ANSWER:

*asked by john on December 18, 2011* -
## French

Could you please check these thanks. Directions: Complete with either payer or essayer. 1. Vous -------- où? (Payer) Answer: payez 2. On ------ à la caisse. (Payer) Answer: paie 3. Je -------- parce que j'invite. (Payer) Answer: paie 4. Il va -------- la

*asked by Taylor on April 30, 2009* -
## Calc II

Use the comparison or limit comparison test to decide if the following series converge. Series from n=1 to infinity of (4-sin n) / ((n^2)+1) and the series from n=1 to infinity of (4-sin n) / ((2^n) +1). For each series which converges, give an

*asked by Lauren on November 7, 2012* -
## Grammar

I have a few more grammar questions, can someone please help me find the answer? Choose the answer that best identifies the phrase in CAPS. 1.These flower fossils, WHICH CAME FROM A VACANT LOT, are the best that have ever been discovered anywhere in the

*asked by mysterychicken on May 8, 2009* -
## Spanish

Can someone check my answers to this? I'm really confused on these practice problems. Thanks! Directions: Using informal, formal, plural and nosotros commands (use Dop's/Iop's if needed) to correctly answer the questions. The names in parathenisis are what

*asked by Sophia on February 1, 2015* -
## Math

How would I find the derivative of y=cotx with respect to x and also the answer should be in simplified form This is what I got: y= 1/tanx Y= cosx/sinx Idk what to do next

*asked by Fay on December 15, 2015* -
## ALGEBRA

how to do this find the volume of a cylinder if the radius is 8 inches and the height is 10in (ANSWER MAY BE LEFT IN TERMS OF PIE)

*asked by Lisa on December 23, 2011* -
## math

A function of two variables is given by, f(x,y) = e^2x-3y Find the tangent approximation to f(0.989,1.166) near (0,0), giving your answer to 4 decimal places.

*asked by enigma on September 26, 2012* -
## CALC

Find the area of the region bounded by: y=2x−tan0.18x, x=1, x=5, y=0 Round your answer to 3 decimal places. I get 9 but its wrong! please help

*asked by Sarah on June 16, 2016* -
## Math 116

_(Y-56)=y+56 is that right. Find an equivalent expression without parenthesis. Subtract _5/16-(-3/8)=1/16 is this right. Please check this for me. Please it seem my problem never get answer I did some last night had not hurt any reply.

*asked by Johnnie on February 18, 2009* -
## CALC (PLEASE HELP DUE SOON)

Find the limit (if it exists). (If an answer does not exist, enter DNE.) lim f(x) as x approaches 3, where f(x)= x^2-8x+9 if x/3 (greater than or equal to 3)

*asked by Amela on January 17, 2013* -
## calculus

Let A(x) be the area of the rectangle inscribed under the curve with vertices at (-x,0) and (x,0), x > 0. a. Find A(1). b. What is the greatest value of A(x)? Justify your answer. c. What is the average value of A(x) on the interval 0 < x < 2?

*asked by matt on February 24, 2010* -
## General Physics II

A 8.4 kg object oscillates on a spring with an amplitude of 57.7 cm with a maximum acceleration of 9 m/s2. Find the total energy. Answer in units of J.

*asked by Chari' on July 9, 2011* -
## geometry

Find the surface area of a cone with diameter 27 m and slant height 19 m. Leave your answer in terms of pie

*asked by Hannah on May 16, 2013* -
## physics

A car accelerates uniformly from rest to a speed of 21.2 km/h in 8.3 s. Find the distance it travels during this time. Answer in units of m

*asked by jen on September 27, 2012* -
## government

are third party efforts essentially a waste of time in America? who were the 4 greatest presidents and why? (did anyone know the site or where i could find the answer for this???)

*asked by jane on November 28, 2008* -
## math

Peter is three years older than his sister paula. If their combined age is 21 find their actual ages. x+3=21 X+3-3=21-3 X=18 Answer=18 and 3

*asked by ali on September 20, 2015* -
## Social Studies

Mrs. Sue What would James k. Polks dreams for america be? I have to do a project on this and I searched for answer and I could not find anything useful...Thank you in advance :-)

*asked by M on March 20, 2015* -
## Social studies

Why do you think the Canadian government is opposed to Quebec's becoming a separate nation? I don't want someone to tell me can you provide me with a source so I can find the answer

*asked by david on May 8, 2017* -
## math

Find the total distance slong the longer sides of the rectangle and along the two semicircles. The length is 10 and the height is 4. I think the answer is 32.6 but I'm not sure if it's right. Is it right?

*asked by robert on November 13, 2007* -
## elementary stats

A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to two decimal places.) 1

*asked by Toni on March 30, 2013* -
## General Physics II

Find the length of the arc on a circle of radius 10 ft intercepted by a central angle 276. Answer in units of ft.

*asked by Chari' on July 9, 2011* -
## Physics- science

An automobile with an initial speed of 4.82 m/s accelerates uniformly at the rate of 2.2 m/s2. Find the displacement of the car after 5.9 s. Answer in units of m

*asked by Destiny on September 13, 2011* -
## Calculus

Let f be the function given by f(x)= 2x/(sqrt(x^2 +x +1)) c. Write an equation for each horizontal asymptote of the graph of f. d. Find the range of f. Use f'(x) to justify your answer.

*asked by Rachel on January 31, 2014* -
## algebra2 please check my answer thanks

find the vertical asymptotes of the following rational function(remember VA is X) x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks

*asked by lisa on October 13, 2013* -
## physics

Find the wavelength (in nm) of a photon whose energy is 5.90 x 10-19 J. I understand that I have to use this equation to figure out the problem E=nhf, I just keep getting the wrong answer. Which is 33.68 nm

*asked by Beth on July 22, 2012* -
## geometry

Find the measure of each exterior angle of a reguler 11-gon. round your answer to two decimal places if neccesary?

*asked by aaron on September 8, 2010* -
## algebra, how to do fractions?

Find the equation for the line that passes through the points ((5/8),(15/32))and((1/3),(1/4)) Give your answer in point-slope form. You do not need to simplify.

*asked by emily d on April 28, 2016* -
## Math

Hi everyone, I would like some help with Math.. And I would like help but if you have time.... My question is: (8x101)+3x101+(7x101010)= I don't really know the answer to this, but while i have this posted I will try to find a way to figure it out.

*asked by Carly on September 30, 2008* -
## calculus

Find the solution of the differential equation that satisfies the given initial condition. dp/dt=2 sqrt(pt), P(1)=5 my answer: P=(2/3t^(3/2)+(15sqrt(5)-10)/15)^2 how is it wrong?

*asked by kyle on March 21, 2016* -
## Trigonometry

Find the area of a sector, given a central angle of 240° and a radius of 15 cm. Round your answer to the nearest tenth please.

*asked by CJ on January 13, 2011* -
## math

Find the surface area of a right rectangular pyramid with a base 10 in by 8 in and a height of 10 in. (Answer to the nearest square inch)

*asked by Anonymous on October 20, 2014* -
## math

Find the area of the region in problem 6 on page 540 of your text. Use 3.14 for pi. State your answer in square feet.

*asked by Anonymous on January 10, 2012* -
## AP Chemistry

Find mass of liquid water required to absorb 3.94 X e4 of heat energy on boiling. Answer in units of g

*asked by Rohan on September 22, 2012* -
## Physics

I have a rubber ball. Its diameter is 5.16 cm. Its density is 1.5 Mg/m^3. I need to find its weight in US units. I know to use w=pVg I am coming out with the wrong answer though. Can someone help?

*asked by Morgan on January 26, 2011* -
## math check

Find the area under the standard normal curve between -1.32 and the mean, P(-1.32 < z < 0.00). (Give your answer correct to four decimal places.) 0.0968

*asked by Nora 62 on June 2, 2013* -
## physics

Given. a = 25.1 cm and b = 51.2 cm and the forces are F1 = 10.3 N, F2 = 10.6 N and F3 = 14.7 N. The angle between F2 and the horizontal is θ = 27.9 °. Find the magnitude of the net torque on the wheel about the axle through O. Answer in units of N m.

*asked by sim on October 19, 2014* -
## algebra 2

Find the set of all integers, n, for which the fraction 20/(10-n*n) is an integer I used n*n for n squared I figured that 10-n*n must be a factor of 20 and the only answer that ended up working was +-3, is this right?

*asked by Terri on April 11, 2008* -
## algebra2 please check my answer thanks

find the vertical asymptotes of the following rational function(remember VA is X) y=x+6/(x^2+11x+30 ) my answer is x+6/(x+6)(x+5) cancel alike term i get 1/(x+5 )and V.A:x=-5 is that right thanks

*asked by lisa on October 13, 2013* -
## ELl

how do various sources relating to the learners' progress be used as a tool to drive the standardard- based instruction or can you tell me where to find the answer

*asked by Anonymous on September 29, 2009* -
## calculus

Find the smallest positive value of x which satisfies 1.400cos(1.000x) Give answer in four decimal places for accuracy.

*asked by Anonymous on November 1, 2011* -
## Math

Please check my answer~ Find the distance between points C (4,12) and D (-2,5) to th3 nearest tenth. d=sqrt(-2,4)^2+(5-12)^2 d=sqrt36+49 d=sqrt85 d=9.2

*asked by Yeri on September 26, 2016* -
## algebra

Find the equation for the line that passes through the points (58,14) (57,27). Give your answer in point-slope form. You do not need to simplify.

*asked by emily d on April 27, 2016* -
## phi105

Susan Moller Okin argued against the theories of Rawls, Nozick, MacIntyre and others. Why? can you be more specific to where I might be able to find the answer.

*asked by trudy on March 28, 2010* -
## calculus

Find the arc length of the graph of the function over the indicated interval. (Round your answer to three decimal places.) y = ln (sin(x)) ,[π/4,3π/4]

*asked by sammyg on January 25, 2012* -
## algebra

Can anyone tell me where I can go to find a better understanding on how to solve this type of problem: (-7,2); 3x=2y+9. what is the equation of the line is y=() simplify the answer using integers or fractions.

*asked by Amanda R on September 8, 2010* -
## Practice Exam Calculus

f(x) = 6sqrt{x}- 9x n the interval [1,9]. f(c)=f(9)-f(1)/9-(1)=? Verify that the conclusion of the Mean Value Theorem holds by computing Now find,c in (1, 9) so that f'(c) equals the answer you just found. c=?

*asked by Sara on October 23, 2013* -
## History

Why did the chisholm trail end in abilene, kansas? plz help i read the text it gave me and i still can't find the answer.

*asked by Isaac on January 22, 2018* -
## math

If f(x)=5cos(2ln(x)), find f'(x). My answer is (-5sinx)(2lnx)+(5cosx)(1/x) I just did the product rule can you verify if this is correct please!

*asked by aman on October 29, 2009* -
## Applied Calculus

Find the relative extrema, if any, of the function. Use the Second Derivative Test if applicable. (If an answer does not exist, enter DNE.) g(x)=x^(3)-9x

*asked by Jacob on March 4, 2013* -
## math

Explain how to find the sum negative sixty-five plus positive forty-one using a number line, then give the answer.

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

A function of three variables is given by, f (x,y,t) = x3y2sin t + 4x2t + 5yt2 + 4xycos t Find ft (3.44,0.58,8.1) giving your answer to 3 decimal places.

*asked by enigma on September 26, 2012* -
## precalc

Find the length of the arc on a circle of radius 7 ft intercepted by a central angle 220◦ . Answer in units of ft

*asked by yolo on October 12, 2014* -
## Math

Find the equation of the line that passes through the pair of points. Write your answer in slope-intercept form (2,-5)(2,-1)

*asked by Cynthia on December 9, 2012* -
## english- to kill a mocking bird

in the book to kill a mocking bird by harper lee, what did Atticus learn, i have been searching everywhere and cannot find the answer, PLEASE HELP:(

*asked by anon on January 30, 2011* -
## math

find an equation of the line having the given slope and containing the given point express your answer in the form x=a,y=b,ory=mx+b m=-2,(5,0) Do not understand this question.

*asked by vera on September 6, 2009* -
## algebra

find the slope of the line that contains (1,6) and 10,9) i thought the answer was -3 - 9 but i guess that is incorrect where did i go worng? any halp is greatly apreciated!

*asked by julie on January 20, 2010* -
## to SRA or Mathmate corrected answers for French

I got the rest execpt this one Marie joue au football. Elle est------. I have been looking in my textbook for the last 20 minutes and still can't find the answer. Can someone please help me!!

*asked by bubbles on October 12, 2009* -
## Physics

Find the average velocity over the time interval from 1 to 3 seconds. Express your answer in meters per second to the nearest integer.

*asked by Whitney on January 31, 2011* -
## math (check please)

find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?)

*asked by luna on March 20, 2014* -
## algebra 2

by graphing the system of constraints find the values of x and y that minimizes the objective function x+2y>8 x>2 y>0 >=greater than or equal to my answer was 0,10 am i right?

*asked by the world forgot on September 29, 2017* -
## Pre-Calc

For the triangle shown, find the length AD. (Assume u = 18, v = 18, x = 10°, and y = 10°. Round your answer to two decimal places.) Show work please!!!

*asked by Mike on April 3, 2012* -
## math

Find the vertical asymptotes (if any) of the graph of the function. (Use n as an arbitrary integer if necessary. If an answer does not exist, enter DNE.) f(x) = 3/(x – 6)^3

*asked by Anonymous on January 28, 2012* -
## math

Find the values of x and y in the two equations below then answer the question that follows. 2^-3=1/x 7^y=1/49 What is the value of xy ? For the first problem i got 8. For the second one i got 1/343 I don't know what im doing wrong or right. Can you please

*asked by James on October 13, 2016* -
## math

Find the average rate of change from x = 10 to x =17 for the function f(x) = 0.01(2) ^x and select the correct answer below A. 10.24 B. 185.78 C. 1300.48 D. 1310.72 Is it A?

*asked by Help me please, urgent on December 8, 2015* -
## math-trig

Use the double angle identities to find sin2x if sinx= 1/square of 17 and cosx

*asked by conner on September 24, 2010* -
## math

Find an equation of the line that has a positive slope and is tangent to the circle (x-1)^2 +(y-1)^2=4 at one of its y-intercepts . Write your answer in the form of y=mx+b.

*asked by jen on March 2, 2008* -
## statistics

A and B are events defined on a sample space, with the following probabilities. Find P(A and B). (Give your answer correct to two decimal places.) P(A) = 0.5 and P(B | A) = 0.4

*asked by DeeDee on May 26, 2013* -
## Trig

Find the exact value of cot(-pi/6). I don't have a lot of work for this one all I have is 30 I guess that was suppose to be the reference angle. answer .58

*asked by Jon on March 6, 2008* -
## stat

Find the area under the standard normal curve to the left of z = 1.88, P(z < 1.88). (Give your answer correct to four decimal places.)

*asked by janet on July 7, 2012* -
## U.S. History to 1865

I have looked for this in my reading and could not find an answer so could you please help? Describe the lifestyles of early North American men and women. Thanks.

*asked by B.B. on June 2, 2009* -
## physics

A car accelerates uniformly from rest to a speed of 24.2 km/h in 5.1 s. Find the distance it travels during this time. Answer in units of m

*asked by Asdfghjkl on October 14, 2011* -
## MATH ~ Functions

Can a graph cross an oblique asymptote? I tried to Google the answer to my question, but I can't find a site that gives me a detailed explanation. help. thank you.

*asked by Jamie on October 24, 2009* -
## Geometry

The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer

*asked by Clarissa on January 5, 2011* -
## Trigonometry

Find the area of a sector, given a central angle of 240degrees and a radius of 15 cm. Round your answer to the nearest tenth.

*asked by Tabby on January 4, 2011* -
## Geometry

In circle O, diameter RS has endpoints R(3a,2b-1) and S(a-6,4b+5). Find the coordinates of point O in terms of a and b. Express your answer in simplest form.

*asked by Anonymous on December 9, 2011* -
## Continuity Calculus Help

The given function is defined for all x > 0 except at x = 8. Find the value that should be assigned to f(8), if any, to guarantee that f will be continuous at 8. (If an answer does not exist, enter DNE.) f(x)= Sqrt( x^2-64/x-8)

*asked by Carli Minacapel on February 8, 2017* -
## Calculus Help Please!!!

If x^3 - y^3 =3 , use only implicit diff. to find d^2y/dx^2 . Express your answer in terms of x and y only and write is as a proper fraction that is completely simplified as much as possible.

*asked by Tanya on April 8, 2014* -
## math check

I have a problem that I need checked it is the produce of the reciprocals of two consecutive integes is 1/182 Find the integers. I have as the answer -13,-14 or 13,14 is this correct?

*asked by Shawn on October 12, 2008* -
## To PENNY

Please don't keep posting the same thing. Find your original post below and answer Ms. Sue's questions in order to receive help.

*asked by Writeacher on September 28, 2011* -
## Science

While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobile's acceleration? How would I show the work and find this answer?

*asked by Robert on October 30, 2012*