05/19/14

Can someone help me with a differential equation problem?
Suppose that an initial population of 10,000 bacteria grows exponentially at a rate of 2% per hour and that y=y(t) is the number of bacteria present t hours later. a) Find an initial-value problem... more
Follows • 2
Expert Answers •1

05/11/14

Can someone help me find the equation of a tangent line of y?
Find the equation of the tangent line to the graph of y=f(x) at x f(x)=ln(-x) x=-e^3
Follows • 2
Expert Answers •1

05/11/14

can someone help me find the derivative for this function?
y=log(sin^5(x))
Follows • 1
Expert Answers •1

04/13/14

Can someone help me with a related rates problem please?
An oil slick on a lake is surrounded by a floating circular containment boom. As the boom is pulled in, the circular containment area shrinks. If the radius of the area decreases at a constant rate... more
Follows • 1
Expert Answers •1

04/11/14

can someone help me integrate the following?
∫(secθ⁄cosθ) dθ
Follows • 2
Expert Answers •1

04/01/14

I need help with optimizing a minimum
A closed rectangular container with a square base is to have a volume of 3456 in3. The material for the top and bottom of the container will cost per $4 in2, and the material for the sides will... more
Follows • 2
Expert Answers •1

04/01/14

I need help with optimizing a minimum
A rectangular page is to contain 30 square inches of printable area. The margins at the top and bottom of the page are each 1 inch, one side margin is 1 inch, and the other side margin is 2 inches.... more
Follows • 2
Expert Answers •1

03/12/14

may someone please help me on fractions? ineed help in understanding this...
how does 3-1/9=3 8/9?please and thank you.
Follows • 2
Expert Answers •2

03/12/14

may someone please help me on fractions? ineed help in understanding this...
how does 3-1/9=3 8/9? please and thank you.
Follows • 3
Expert Answers •2

03/09/14

A have a question about related rates from my calculus class may someone help me?
A stone dropped into a still pond sends out a circular ripple whose radius increases at a constant rate of 4ft/s. How rapidly is the area enclosed by the ripple increasing at the end of 12s?
Follows • 4
Expert Answers •3

03/09/14

At what point is the tangent line to the curve y^3=2x^2.....
At what point is the tangent line to the curve y^3=2x^2 perpendicular to the line x-2y-10=0 ? (x,y) format
Follows • 3
Expert Answers •2

03/09/14

Find by implicit differentiation.
Find d^2y/dx^2 x^6y^2-4=0
Follows • 2
Expert Answers •1

12/08/13

solve system of equations.
X2-4Y2+7=0 3X2+Y2=31       X+Y+1=0 X2+Y2+6Y-X=-5
Follows • 5
Expert Answers •4

12/05/13

system of linear equations: Matrices
Carletta has $10,000 to invest. as her financial consultant you recommend that she invest in treasury bills that yield 6%, treasury bonds that yield 7%, and corporate bonds that yield 8%. Carletta... more
Follows • 4
Expert Answers •4

11/03/13

can someone help me with trigonometric equations?
Solve each equation on the interval 0≤θ<2pi tan θ=2 sin θ
Follows • 2
Expert Answers •1

11/03/13

can you help me with trigonometric equations?
cos θ=-sin(-θ) solve each equation on the interval 0≤θ<2Π
Follows • 3
Expert Answers •2

10/17/13

what is half of 2/3?
in order to get half of 2/3 do I divide by 2 or 1/2? in general when I want to find the half of something do I divide by 2 or 1/2? Why? (I am getting confused)
Follows • 4
Expert Answers •3

09/25/13

How can I factor x^3-8
I am lost
Follows • 3
Expert Answers •2

09/23/13

One solution of the equation x^3-8x^2+16x-3=0 is 3. Find the sum of the remaining solutions.
The answer is suppose to be 5, but I keep getting 2 irrational solutions.
Follows • 3
Expert Answers •2

09/22/13

Find the real zeroes of f. Use the real zeroes to factor f. F(x) = 4x^5-8x^4-x+2
I'm having trouble factoring and finding all the zeroes.  
Follows • 3
Expert Answers •2

09/02/13

word problem
find three consecutive numbers such that the sum of the first integer, half the second integer, and four times the third integer is -30
Follows • 2
Expert Answers •2

05/17/13

May you please answer this question?
An airplane takes 3 hours to travel a distance of 2160 miles with wind. the return trip takes 4 hours against the wind. Find the speed of the airplane in still air and the speed of the wind.
Follows • 4
Expert Answers •3

05/17/13

May you please help me with word problems?
A candy shop manager mixes M&M's worth $2.00 per pound with trail mix worth $1.50 per pound to make 50 pounds of party mix worth $1.80 per pound. How many pounds of each she should use? Can... more
Follows • 4
Expert Answers •3

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.