02/09/17

Calculating the derivative of an integral
d/dx 1 ∫(1/x)  cos^3 (t) dt = (-1/x^2) cos^3(1/x)    What I dont understand is where the -1/x^2 came from . I thought that the upper bound was just the derivative but isnt the derivative of 1/x... more
Follows • 3
Expert Answers •2

02/09/17

x^5/3^x, the answer has to be a whole number and x has to be greater than 4
x^5/3^x, what is the answer if the answer has to be a whole number and x has to be greater than 4?
Follows • 2
Expert Answers •1

02/09/17

Help with finding the maximum value??
If g(x)=x+3 h(x)=9-x^2, what is the maximum of h(g(x))?
Follows • 3
Expert Answers •2

02/09/17

Find the trig value below.
If cscØ = 4/3, find sinØ + sinØ cot^2 Ø
Follows • 4
Expert Answers •3

02/09/17

x^5/3^x, the answer has to be a whole number and x has to be greater than 4
x^5/3^x, the answer has to be a whole number and x has to be greater than 4
Follows • 2
Expert Answers •1

02/09/17

I really need help with this!!! Can someone please help me really quick?!
After two minutes of flying, a plane has risen to an altitude of 3500 feet.  The pilot looks back and can still see the end of the runway from where he took off at a 31 degree angle of depression.... more
Follows • 4
Expert Answers •3

02/09/17

Need help with a mean value theorem problem
Does the Mean value theorem apply to the given function on the given interval? Is so, find "c". If not, why not? f(x) = x - sin(pi x), [-1,1]
Follows • 2
Expert Answers •1

02/07/17

Show that a=3 and find the value of b.
az²+bz+10i=0 where a and b are real, has a root of 3-i. Show that a=3 and find the value.I know that 3+i is also a root and I would be able to find the value of b if I could show that a is equal to... more
Follows • 2
Expert Answers •1

02/07/17

integration in calculus
Find or evaluate the integral by completing the square.   ∫ x/(x4+10x2+26) dx
Follows • 2
Expert Answers •1

02/07/17

Integration in calculus
Evaluate the integral. Boundary is from 0 to √3/8   ∫ dx/(1+64x2)
Follows • 2
Expert Answers •1

02/07/17

INTEGRATION IN CALCULUS
Evaluate the definite integral. I do not know how to add the boundaries here so I am just going to write them. Boundary is from 0 to 1/√2   ∫ arcsinx/(√(1-x2)) dx   Thanks  
Follows • 2
Expert Answers •1

02/07/17

Please help me find an equation of x and y that has the same graph as the polar equation r - 4 cos theta = 0. I need to show all of my work.
Please help me find an equation using x and y that has the same graph as the polar r - 4 cos theta = 0. I need to show all of my work. I have tried numerous things; and nothing seems to work.  
Follows • 3
Expert Answers •2

02/07/17

Completing the square
Is it possible to complete the square for this equation ? : y^2+x^2=2x   
Follows • 3
Expert Answers •2

02/07/17

log((x+iy)/log(x-iy)=2i tan inverse y/x
prove that log((x+iy)/log(x-iy)=2i tan inverse y/x
Follows • 2
Expert Answers •1

02/06/17

Math word problem
Carla bought a pack of pens. She gave 2/3 of the pens to her brothers. Carla lost 1 pen on the way to school and kept the 2 remaining pens. How many pens did Carla buy?  
Follows • 2
Expert Answers •1

02/06/17

Find a value for a so that the following function is continuous at x = 0: f(x) ={ (x^2 + x sin(x))/x^2 for x /= 0, a for x = 0}
Not sure what to do with this problem. Its a piecewise function.     Find a value for a so that the following function is continuous at x = 0: f(x) ={ (x^2 + x sin(x))/x^2 for x /= 0, a for x = 0}
Follows • 3
Expert Answers •2

02/06/17

Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 2e−x, y = 2, x = 6; about y = 4
thanks 
Follows • 2
Expert Answers •1

02/06/17

a-b/b-a algebraic fraction
I'm trying to figure out the solution to a-b divided by b-a
Follows • 3
Expert Answers •2

02/05/17

Describe the graph
How could the graph of y=2x^3+1 be used to graph y=-2x^3+1?  
Follows • 3
Expert Answers •2

02/05/17

What quanity of 60 per cent acid solution must be mixed with 30 solution to produce 810ml of a 50per cent solution
??????????????????????????????????????????
Follows • 3
Expert Answers •2

02/05/17

32 inches to feet in a mixed number
I need 32 inches to feet in a mixed number, form.
Follows • 2
Expert Answers •1

02/05/17

How much would they save if they selected the 15 year mortgage?
A family wants to purchase a house that costs $125 comma 000125,000. They plan to take out a $115 comma 000115,000 mortgage on the house and put $10 comma 00010,000 as a down payment. The bank... more
Follows • 2
Expert Answers •1

02/05/17

jacob takes 180 steps per minute and each step is 3.25 feet long. What is his speed in miles per hour?
jacob takes 180 steps per minute and each step is 3.25 feet long. What is his speed in miles per hour?
Follows • 2
Expert Answers •1

02/05/17

Calculus expressions
Find the exact value of the given expression.   sin(cos-1 x)
Follows • 2
Expert Answers •1

02/04/17

Derivatives of functions
Find the derivative of the function. y=(1/2)((1/2) ln (x+1)/(x-1) + arctan x)
Follows • 4
Expert Answers •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.