04/18/20

For what values of θ is sinθ < cosθ when 0 ≤ θ < π?

the answer is set up as __ ≤ θ < __

04/14/20

What are the critical points of the given function? f(x)=(1/3)x^2 +2cosx

f(x)=(1/3)x^2 +2cosxI'm stuck on this question because I feel like there is no answer. To use newtons law you need to use roots or when x=0 but there are no points on the x axis. Can someone please... more

04/13/20

washers method for finding volume

Find the volume of the solid that results when the area of the region enclosed by y 2  = 4x, x = 4, and y = 0 is revolved about the y axis

04/12/20

g(x)=xtanx INTERVAL: -3pi/2<x<3pi/2 I got DNE for the 2 points of inflection but I got them wrong. Help?

I also put in -pi/2,0 and pi/2,0. As well as -pi,0 and pi,0 All wrong. It only lets me put in 2 points of inflection

04/11/20

GEOMETRY QUESTION !!!

A quadrilateral has verticesA(-4,3) B(0,4)C(3,-4)D(-5,-1)I had figured out that it was a trapezoid but it asks to find the midpoints E,F,G,H of the sides of the quadrilateral ABCDAlso how would I... more

04/10/20

Find the linearization L(x) of y= e^4x ln(x) at a=1 // L(x) = ...?

Find the linearization L(x) of y= e^4x ln(x) at a=1 L(x) = ...?

04/09/20

calculus, dimensions

A fence is to be built to enclose a rectangular area of 280 square feet. The fence along three sides is to be made of material that costs 3 dollars per foot, and the material for the fourth side... more

04/09/20

evaluate double integral

∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy

04/09/20

evaluate double integral

∫ 2 0 ∫π 0 (r^2 )sinθdθdr

04/08/20

Evaluate a) ∫2 1 ∫6 0 (5x2+y2)dxdy , b) ∫ 2 0 ∫π 0 (r^2 )sinθdθdr , c) ∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy

Evaluate a) ∫2 1 ∫6 0 (5x2+y2)dxdy , b) ∫ 2 0 ∫π 0 (r^2 )sinθdθdr , c) ∫ 9 0 ∫ 5 3 (x+4y)^(1/2) dxdy

04/07/20

calc. area box question

An open box is to be made out of a 8-inch by 16-inch piece of cardboard by cutting out squares of equal size from the four corners and bending up the sides. Find the dimensions of the resulting box... more

04/07/20

Calculate the double integral

Calculate the double integral ∫∫Rxcos(x+y)dA where R is the region: 0≤x≤π3,0≤y≤π4

04/02/20

Find area of sector of circle

Please help! find the are of a 25degree sector of a circle which has a diameter of 12 inches

Verifying identities, again

Is it possible to verify the following? I’m having a lot of trouble with it. Edit: this is the original equation, and my teacher wants us to use difference of cubes. I was able to verify it, but I... more

04/01/20

Find the differential dy of the given function. (Use "dx" for dx.)

y=(x+1)/4x-9Marked as incorrect: [(1)-4/(4x-9)2 ] * dx

A region in the plane is bounded by y=1/√ x,the xaxis,the line x=m, & the line x=2m where m>0. A solid is formed by revolving the region around the x-axis. The volume of this solid

a) is independent of mb) increases as m increasesc) decreases as m increasesd) none of the above

03/30/20

Find the length of the arc of the curve from point P to point Q

x^2=(y-12)^3, P(1,13), Q(8,16))Please helpmy life depends on this

03/26/20

how to solve 3x=-18+4y and 16y=58+5x using elimination

work all the steps and give the full answer to the problem please

03/26/20

Use the Theorem of Pappus to find the volume of the given solid. The solid obtained by rotating the triangle with vertices (1, 2), (1, 6), and (7, 4) about the x-axis

I know V=Ad= (1/2*base*height)(2pi*xbar)How do I find the centroid so that I can figure what xbar is?

03/22/20

Calculus Question

Find the absolute minimum and absolute maximum values of f on the given interval.f(x) = x − ln 4x, [1/2, 2]Absolute maximum: Absolute minimum:

03/13/20

Graph the piecewise functions:

f(x) = { x^2 - 2 x > 0 { x - 4 x ≤ 0 (Please give exact points!)

How do I solve this Area Integration question?

1. (a) Consider the box whose vertices are (1; 1); (1; 0); (1; 0), and (1; 1). Let Lmbe the line with slope m that passes through the point (2; 0). Find the value of meRwhich divides the box into... more

Set up the integral with given information

Set up, but do not evaluate, the integral which gives the volume when the region bounded by the curves y = Ln(x), y = 2, and x = 1 is revolved around the line y = -2. 

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.