# 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 75-
## English

I give an examination tomorrow.So I need a help. Nearly crying,her little sister wanted to be left ( )herself. You will choose your answers blow. a.for b.with c.on d.to I think that best answer is a.But It didn't match its answer.Its answer is d.But I

*asked by Bayarbold on June 25, 2011* -
## Algebra

3.29x=5.5√(x)+10,000 How in the world do I solve for x without using a calculator? I swear I've been on this for hours. I know the answer is 3133 because I estimated the answer and then began plugging in numbers until I got to the actual answer.

*asked by Enrique on July 28, 2015* -
## science

1. What is the half-life of Strontium-90? Explain your answer. Honestly I don't know how to get this answer. I've looked it up and stuff, but I just found the answer not how to know what it is. A link or explanation would be greatly appreciated. Thanks.

*asked by Rainshine on February 27, 2014* -
## precalculus

Can you check my answer? If it is wrong can you please explain why and give the correct answer? Use Gaussian elimination to write the system of equations given below in row-echelon form. 2x+4y+z=-4 2x-4y+6z=13 4x-2y+z=6 answer:2x+4y+z=-4 8y-5z=-17 z=1

*asked by Anonymous on November 30, 2016* -
## Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. ********non***regular heavy total man*****135*****64******5*****204 women***187****21*******9*****217

*asked by Sam on February 26, 2008* -
## intro to physics

I was wondering if you guys can help me with this question An airplance is traveling 835 km/h in a direction 41.5 degrees west of north. part a) find the component of the velocity in the northerly direction part b) find the same but in the westerly

*asked by emilia on April 21, 2012* -
## algebra 1

select an appropriate unit from the choices below and connect the rate to that unit. answer a - ft /s answer b - mph answer c - mm/s answer d - km/s question : A person walking at 3,4 mph

*asked by kamryn on October 16, 2015* -
## Economics

What percentage of Americans GDP per capita is available to the average citizen of Mexico? Americas GDP $35060.00 Mexico GDP $8540.00 To find this answer, divide 8540 by 35060. Move the decimal point in your answer two places to the right to get the

*asked by LIsa on September 20, 2006* -
## Physics

A non-uniform beam of length L and weight w makes an angle of è with the horizontal. It is held in position by a frictionless pivot at its upper-right end and by a cable a distance of farther down the beam and perpendicular to it. The center of gravity of

*asked by Paul on April 3, 2007* -
## Statistics

Find the z-score for which the area to its right is 0.65 . Write only a number as your answer. Round to two decimal places (for example: 0.81).

*asked by Obi on October 13, 2015* -
## Math SOmeone please please help

Find the derivative of the function. g(u) = (5+u^2)^5(3-9u^2)^8 Could someone please explain the steps that would lead me to the answer? I'm completely stuck.

*asked by Anonymous on February 22, 2011* -
## ALGEBRA

The quantity y varies directly with the square of x. If y = 3 when x = 9, find y when x is 11. Round answer to the nearest hundredth.

*asked by gigi on August 14, 2017* -
## Physical Science

20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you!

*asked by CJ on October 25, 2013* -
## Math

need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9 + 144/16 + . . . 5) 20/4 + 25/5 + 30/6 + 35/7 +40/8 + ... i

*asked by Janet on March 30, 2009* -
## Algaebra

Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg Please help and show all working out,i got the answer for it but i really don't understand it!!! Thank You

*asked by Samantha on December 19, 2012* -
## math

kx^2 + (k+2)x -3 =0 has roots which are real and positive. Find the possible values that k may have. I understand that I have to use the discriminant to solve this, but I can't seem to get the answer right, so I really need help!!

*asked by Anita on September 28, 2014* -
## math

Find the area of the region. (Round your answer to three decimal places.) between y = cos t and y = sin t for −π/2 ≤ t ≤ π/2

*asked by Jasmine on November 19, 2015* -
## social studies

we are working on ancient egypt and i cant find the answer to In what ways were the reigns of Akhenaton and Ramses II different

*asked by amber on March 5, 2014* -
## algebra

f(x)=2x+5, find f(3) would this be worked out liek this 2(3)+5=11 Your answer is correct but improve your mathematical form and write is this way: f(x)= 2x+5 f(3)= 2(3)+5 = 11

*asked by confused on May 25, 2007* -
## Function Maths 11

How do you find the related acute anle of tan110 and sin350? I don't understand how to get the answer...

*asked by harley on May 1, 2014* -
## Math

If you are given a problem that has measurements in yards and asks you to find surface area, what would the units be in your answer?

*asked by Sierra on January 20, 2011* -
## geometry/algebra

I have tried to work this several ways and can not get the answer of 5 find x if the slope of a line passing through points A(4,3) and B(x,7)equals 4

*asked by Rose on October 11, 2008* -
## Math help please!!!!!!

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you

*asked by Callie on November 13, 2014* -
## calc

Let f(x)=x^3-3x^2 find the absolute maximum value of f(x) on the interval [1,4]? 22 hours ago - 3 days left to answer

*asked by angel on April 5, 2012* -
## COLLEGE CALCULUS. HELP!

the fundamental theorem of calculus, f(x)=∫(0,x) t^3+2t^2+ 2 dt, and find f"(x). my answer was: f'(x)=x^3+x^2 f"(x)=3x^2+2x it said its wrong. i don't know how solve with interval, ∫(0,x)

*asked by MILY on April 17, 2012* -
## math

Find the vertex and the x-intercepts (if any) of the parabola. (If an answer does not exist, enter DNE.) f(x) = -16x2 + 4x + 2

*asked by Anonymous on September 25, 2010* -
## Math help please!!!!!!

Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints(-1,2) and (3,-3) A. (2,4) and (6,6) B. (2,4) and (6,6) C. (-2,4)and (6,-6) D. (2,-1) and (-3,3) Is the answer C ? Thank you

*asked by Callie on November 13, 2014* -
## Trig

How do I find all solutions in the interval [0, 2Pi): cotx=cscx-1 the answer choices are: a.) x=Pi/2 b.) x=Pi/2 and 3Pi/2

*asked by Grace on January 1, 2010* -
## Algebra (1)

Hello! I'm currently stuck on a ratio problem and do not understand how to work it. The question is: y+2 over y+7 = ll over 31. Please explain the answer and how to find it.

*asked by Izzy on November 3, 2014* -
## math

No idea. Please help. Is 20 times 5/6 g reater than or less than 20? How do you do it? Second question What is 4/5 of 2/3?It shows a square and says find answer on the model. Any help, please

*asked by sam on July 5, 2013* -
## Social Studies

Characteristics of a large,fast growing population Please help me and I did search,but I couldn't find the answer.

*asked by Mi on November 4, 2013* -
## math

given that the rectangle above has a perimeter of 34 units, find m

*asked by nick on March 31, 2015* -
## math

Find the exact circumference of a circle with diameter equal to 8 ft. I know the answer is 25 ft but the answers I have to choose from are 8, 16 or 64

*asked by lisa on January 15, 2012* -
## math

FIND THE SLOPE AND THE Y-INTERCEPT OF THE LINE. WRITE FRACTIONAL ANSWER IN LOWEST TERMS. 4y + 4x + 7= 16+4x

*asked by DAVISHA on February 4, 2009* -
## Chemistry (URGENT)

Hello! Does anyone know where to find the solubility of Ca(OH)2 in water as temperature changes? I need this information to answer the discussion in a lab report.

*asked by June on October 26, 2013* -
## Math

Can someone check this problem for me use the foil method to find the product (6z-u)(6z+7u) my answer is 36z^2+36zu-7u^2

*asked by Bryan on April 28, 2009* -
## Religion

Origen was the first Bishop of ______in what year. Studying for midterm and this is one of the questions I can't find an answer to

*asked by Maria on April 15, 2010* -
## Math

Use Newton's method to find a value of x that satisfies: e^x- (x^2/2) = 0 Use the starting value x0=0. Display answer in 4 significant figures

*asked by Michael on November 16, 2012* -
## calculus test corrections. 1 question

Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why

*asked by jonna on April 10, 2012* -
## Calculus

Find the absolute maximum & minimum of the function f (x)=e^x for any closed interval [a,b] Justify your answer.

*asked by Daniella on November 14, 2012* -
## Geometry

Find the length of the side A’B’ for the congruent triangle. C = 28 degrees A = 14 Must show work with answer.

*asked by Boo on February 21, 2014* -
## math- 165 calculas

Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 − 3x^2 + 5x + 1/ x^2 − 5x + 3

*asked by akash on October 6, 2015* -
## Math

Find the sum. Write answer in simplest form. (x-4/x^2-2x) + (4/x^2-4) Not sure how this problem is solved, only one like this on my homework any help??

*asked by Antwon on December 31, 2017* -
## math

if x+ a= b/3x and b does not = 3 then x =? i cant seem to find a way to seprate the two x's since 3/b is always attached. subtract (b/3)x from both sides x- (b/3) x+a=0 x(1-b/3)= -a x= a/(1-b/3) i looked at the back of my book and the answer is 3a/b-3

*asked by fernando on July 15, 2007* -
## math- 165 calculas

Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 5x^2 + 1/ 7x^3 − 2x^2 + 5

*asked by akash on October 6, 2015* -
## calculus

find the bound on the real zeros of the polynomial function f(x)=x^4+x^3-4x-6 cna you please show me how you got the answer please

*asked by anonymous on December 23, 2012* -
## College Algebra

Find a polynomial function f(x), with real coefficients, that has 1 and 3+2i as zeros, and such that f(-1)=2 (Multiply out and simplify your answer)

*asked by Patrick on November 14, 2012* -
## 3rd math

Tessie multiplied 3x4, and then doubled it to find 6x8 .did she get the correct answer ? Explained

*asked by Anna on November 14, 2012* -
## biology

Where is the location of the phosphatase enzyme in the digestive system. There is no site that i can find that can provide an answer...

*asked by Chad on October 19, 2014* -
## Calculus Help

Use f(x)= 1/(square root(x)+1) to answer the following; -- Use the difference quotient f'(x)=lim z->x (f(x)-f(z))/ (x-z) to find f'(x)! Please show steps!!! Thank you!!!

*asked by Mello on February 28, 2014* -
## Math

Find all real number X Which satisfy the inequality 1/3(X+3)-1>1/5(X+6) Pls I need answer with solution step

*asked by Simon on March 29, 2018* -
## Pre-calculus

Find the minimum value of f(x, y) = y – x + 1 for the polygonal convex set determined by this system of inequalities. x > 0 y > 0 2x + y< 4 the answer is -1. please tell me why

*asked by brandi on April 10, 2012* -
## Trigonomic Identities

The question wants me to find sin(x/2) when cosx = -(12/13) in the interval (pi,3pi/2). I know that the eventual answer will be 5/sqrt26, however, I am not sure how to get there.

*asked by Kathryn on March 27, 2018* -
## 7th grade

find the Volume of a cylinder with a radius of 14 in and a height of 21 in. Then Change Your Answer In Cubic Feet?

*asked by hillary on April 13, 2010* -
## Science

Why are generators not allowed in Niagara Falls? I am assuming that it has something to do with environment but I can't find the exact answer anywhere ?

*asked by Cherie on March 1, 2014* -
## calculus

limit as x approaches 3 where f(x)=6x+2 Find a formula for δ such that for any ε > 0, |f (x) - 20| < ε if |x - 3| < δ. (In your answer, use the word "epsilon" instead of the symbol ε.) I have no idea how to do this? Please help!!!

*asked by john on January 31, 2011* -
## calculus

How do you find the limit of: 1(1 - (1/k))/2! as k increased with no bound? I know the answer is 1/2! But how do you get there? Are you supposed to divide both top and bottom by k?

*asked by Jake on June 7, 2010* -
## geometry

Find the area of the quadrilateral in Exam Figure 5. Round your answer to two decimal places.

*asked by g on July 18, 2013* -
## Trig

This has to do with dot products (I can't make the arrow above the u, i, or j). Given u = 4i - 6j and v = -3i + 5j, find 4u-(1/2)v Am I just supposed to plug in what u and v are equal to in 4u-(1/2)v? If so, is the answer (35/2i - 53/2j)

*asked by Mary on April 20, 2013* -
## Dilation

The answer to given a scale factors of 2,find the coordinmates for the dilation of the line segment with endpoint (1.2) and (3-3.

*asked by Dorothy on December 17, 2016* -
## Science

Can someone please tell me what acid does to DNA? Ive looked everywhere and can't find anything simple enough to understand and need an answer really quick. thanks!

*asked by John on April 9, 2008* -
## algebra 2

If x^2-x-1 divides ax^6+bx^5+1 evenly, find the sum of a and b. Show all steps and exlain your answer. Please, please help me out!! Thanks alot. =)

*asked by betty on March 31, 2009* -
## Calculus: implicit differentiation

Find dy/dx by implicit differentiation 1. x^3 -xy+ y^2= 7 The given answer is (y-3x^2)/ (2y-x), but I'm not getting it. 2. How would I do this one? If I couldn't do the above one, which looks a heck of a lot simpler, I doubt I'll get through this one. x^

*asked by Anonymous on October 3, 2013* -
## Geometry

Angles P and Q are congruent. m

*asked by queen on July 12, 2017* -
## Algebra-domain

I had to find the domain of a function, and my answer is that x is all real numbers except -5 and 6. How do I write that in interval notation?

*asked by kelly on August 31, 2015* -
## science

What happens to refraction when the angle of incidence lays on the normal line? Please help I have searched everywhere and can't find the answer!!!

*asked by Cherie on January 9, 2013* -
## Math

i know the answer 6,556 to this but how do i explain it Find the area of the parallelogram with a base of 372.5 cm and a height of 17.6 cm

*asked by Young Trippy Lil G on May 25, 2017* -
## Algebra II

Find the exact value of cos 375 degrees. Answer: (sqrt6 + sqrt2)/4 Is this correct?

*asked by Lucy on April 19, 2008* -
## Math

Can you show me how to do this and give me the final answer please. need help Find the equation of the line containing the given pair of points. (2,4) and (6,5)

*asked by Anonymous on December 18, 2008* -
## algebra problem

Find the greatest common factor of the two expressions 18wx^7z^7 and 15wx^3 Simplify your answer as much as possible.

*asked by mikecardoso123 on August 14, 2009* -
## math

If x^2-x-1 divides ax^6+bx^5+1 evenly, find the sum of a and b. Show all steps and exlain your answer. Thanks alot! =)

*asked by not math right now on April 3, 2009* -
## pre calc

Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you

*asked by Marie on February 5, 2017* -
## Math

x P(x) 0 0.3 1 0.15 2 0.2 3 0.35 Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal places

*asked by Anonymous on April 20, 2016* -
## Math

Divide into intervals and evaluate to find the max/min. f(x)= -(x-1)^2(x+4) I pick -2 -(-2-1)^2(-2+4)=-18 Is that the correct answer

*asked by Aria on February 6, 2017* -
## Maaaath

6/x + 6/x-5 = 1 I got to x^2 -17x +5 = 0 But I have no idea if that is right? How do I find the answer? Thanks 6/x 6/x-5 =1 multiply both sides by x x(6/x +6/x-5)= (1) x The denominator x will cancel giving: 6 + 6 --- = x -5 Now -5 into 6 = -1.2 so 6 -1.2=

*asked by Emma on May 28, 2007* -
## Environmental Science

What type of succession would you expect to find in the abandoned farmlands? Explain in short answer.

*asked by Qiayamah on December 23, 2006* -
## Math

Find (if possible) the trigonometric function of the quadrant angle. sec 3pi/2 My answer was 0. Am I correct?

*asked by Mark on March 30, 2010* -
## Pure Mathematics

The complex number z satisfies the equation z+2iz*=12+9i. Find z giving your answer in the form x+iy.

*asked by KerryJ on September 13, 2013* -
## physics

A 4.2 kg mass undergoes an acceleration given by ~a = ax ˆı + ay ˆ , where ax = 0.6 m/s 2 and ay = 4.8 m/s 2 . Find the magnitude of the resultant force. Answer in units of N

*asked by Anonymous on October 13, 2011* -
## math

a die is thrown twice, find the probability of getting two 5’s. Be sure to represent your answer as a fraction in simplest form!

*asked by ella on July 25, 2017* -
## Mat115

46. Find the five-number summary of the following set of numbers. 0.16, 0.08, 0.27, 0.20, 0.22, 0.32, 0.25, 0.18, 0.28, 0.27 A) 0.08, 0.18, 0.223, 0.27, 0.32 C) 0.08, 0.18, 0.225, 0.27, 0.28 B) 0.08, 0.18, 0.235, 0.27, 0.32 D) 0.08, 0.16, 0.23, 0.28, 0.32

*asked by Jana on May 8, 2008* -
## Romeo and Juliet

Why does the nurse agree to help juliet marry romeo? By the way it's in act 2 scene 5. I can't find the answer. Thanks for your help

*asked by Anonymous on March 23, 2009* -
## geometry

Find the area of a regular pentagon with a side of 6ft. answer nearest tenth

*asked by lilman on May 25, 2012* -
## geometry

Find the area of the base and the volume of a cone. the height is 17 and the radius is 8. my answer needs to be in pie

*asked by Hannah on May 27, 2013* -
## geometry

Find the SURFACE AREA of a sphere that has a diameter of 18 centimeters. Leave your answer in terms of pi.

*asked by Hannah on May 27, 2013* -
## Algebra

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

*asked by Tia on February 26, 2009* -
## geometry

If a=6cm, find the area of the equilateral triangle. Round the answer to one decimal place.

*asked by Anonymous on November 18, 2010* -
## Algebra

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

*asked by Rachale on February 26, 2009* -
## math

Find the circumference of each figure. Use 3.14 for p and round your answer to one decimal place. i have a circle that is 3.75ft A~23.6 or 24?

*asked by A on September 16, 2009* -
## algebra

write an equation for the following transformation of y=x; a vertical stretch by factor of 4. please help. can someone explain how to find answer

*asked by jay on September 15, 2012* -
## History Help Please!!

What is the most populated town in the Panhandle? How many people live there according to the 2010 census? I can not find this answer anywhere!!

*asked by Jenny on January 26, 2016* -
## mathURGENT!!!!!!!!!!

find all ordered pairs of positive integers (x,y) that satisfy the following equation: x^y=2^64. please answer and explain how you got it!!!!

*asked by don on February 15, 2013* -
## math 1149

For the triangle shown, find the length AD. (Assume u = 19, v = 19, Úx = 25‹, and Úy = 25‹. Round your answer to two decimal places.)

*asked by lisa on March 10, 2016* -
## geometry

Find the volume of a cylinder with radius 6 cm and height 10 cm. Use 3.14 for ð. Round your answer to the nearest tenth.

*asked by stephanie on July 25, 2010* -
## 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

*asked by joy on February 23, 2018* -
## math

find the range the answer will be within 6,473+3,234 32,959+15,568 79,484+8,933

*asked by stephanie on August 25, 2011* -
## ap chemistry

Find the emf for the cell Cr(s) |Cr3+(aq, 0.37 M) || Pb2+(aq, 0.0095 M) | Pb(s). Answer in units of V I got .548733V Is this right?

*asked by brian on October 21, 2010* -
## Science 8

How are Newton’s second and third laws of motion important to your everyday life? Please help me! I've looked everywhere and I can't seem to find an answer.

*asked by Aria on October 8, 2014* -
## algebra 2

If y is directly proportional to x, and y = 16 when x = 12, find the constant of proportionality, k. Give the answer in the form of fraction if necessary.

*asked by homie on February 20, 2011* -
## Math

Find the slope of the line that goes through the given points. I think my answer is correct but would appreciate some feedback so that I may compare! Thanks in advance! (3,-2),(-1,-6)

*asked by Tia on February 26, 2009*