11/07/16

momemt of inertia
We have to find moment of inertia of a semi circular disc whose axis of rotation is passing through the centre making an angle k with the diameter and lying in the plane of disc .
Follows • 3
Expert Answers •2

10/05/16

derivative of sin(5lnx)
I need the answer and worked out solution.
Follows • 2
Expert Answers •1

10/05/16

statistics - normal distribution multiple choice
  The variable X is normally distributed with a mean u and a standard deviation o. Let A be a value of X. For the current values of u, o, and A it is known that P(X<A)=.4512. If the value of of... more
Follows • 2
Expert Answers •1

09/29/16

Examples of Groups of Permutations
Find a four-element abelian subgroup S5. Write its table.
Follows • 2
Expert Answers •1

09/21/16

Factor the polynomial x^2+7x+10 if the polynomial is not factorable write prime
if the polynomial is not factorable write prime
Follows • 2
Expert Answers •1

08/21/16

Perform the indicated operation - Show Work Please!
f(t) = -t - 4 g(t) = t^3 - 3 Find f(g(t^2))   Final Answer is meant to be -t^6 - 1
Follows • 2
Expert Answers •1

08/11/16

quadratic formula
Discuss how each of the methods (completing the square, and factoring) can actually be easier and more efficient for solving certain types of quadratic equations?   Explain why it is important to... more
Follows • 3
Expert Answers •2

08/09/16

Converting Normal distribution to Lognormal
Let's say I have a random variable that is normally distributed with the mean of "a" and variance of "b". How can I get an equivalent lognormal distribution's parameters in terms of "a" and "b"?
Follows • 2
Expert Answers •1

08/09/16

What is the math used for the picking of powerball numbers
I want to know what is the math used for the picking of powerball numbers in the lottery 
Follows • 3
Expert Answers •2

08/09/16

Solving quadratic equation using quadratic formula
x2 + x/5 - 2/3=0 A=1 B=1/5 C=-2/3  
Follows • 2
Expert Answers •1

08/05/16

help with the integral of tan
Okay, so my but shows e^ integral tanx to be e^ln|secx|.    as far as I know, the integral of tanx is -ln|COSx|.    how do they do that?
Follows • 5
Expert Answers •4

08/04/16

the sum of the ages of father and his son is 45
the sum of the ages of father and his son is 45. years five years ago the product of their ages was 34. the ages of the son and father are respectivly   father age is f son age is s   f+s=45  ... more
Follows • 3
Expert Answers •2

08/04/16

Math Help!
The cost of a pogo stick is $20, and the amount of tax due is $1.60. If the amount of tax is directly proportional to the cost of the storage unit, what is the tax rate?
Follows • 2
Expert Answers •1

08/04/16

statistics
womans height are normally distributed with mean 63.6 in. and a standard deviation 2.5 in. If the U.S Army changes the height requirement so that all women are eligible except the shortests 3% and... more
Follows • 2
Expert Answers •1

07/18/16

convert each of the following equation from rectangular to polar.It is best to have the equation in the form r=
convert each of the following equation from rectangular to polar.It is best to have the equation in the form r=.   1.x=2   2.2x-3y=5   3.x^2+y^2=10   4.x^2-y^2=4   5.x^2+(y-1)^2=1
Follows • 2
Expert Answers •1

07/13/16

sin(4x)-sin(6x)=0
Solve for 0<x<2pi  
Follows • 2
Expert Answers •1

07/13/16

sin(4x)-sin(2x)=0
Solve for 0<x<2pi
Follows • 2
Expert Answers •1

07/06/16

Determine the equation of the circle that passes through the origin and is concentric with the circle x^2-6x-y^2-4y+4=0
This is a precalculus question aa nd I am having trouble on it
Follows • 2
Expert Answers •1

06/29/16

solve the trig equation 1.cosx-cos^3(x)=0 2.csc=1/2 3.cos^2(x)-3sinx-3=0
solve the trig equation 1.cosx-cos^3(x)=0 2.csc=1/2 3.cos^2(x)-3sinx-3=0
Follows • 5
Expert Answers •6

06/29/16

Find x and y in complex numbers
(x+yi)4=-7-24I Find x and y  In complex numbers
Follows • 4
Expert Answers •3

06/22/16

Simplify. Sin^2?cos^2?-cos^2?
I have to simplify that particular expression. But I thought that maybe the cos would cancel. I'm not sure what to do
Follows • 3
Expert Answers •2

06/22/16

Prove the following is true:
Prove that the indefinite integral from 0->pi/2 of cos^10(x) dx = 9/10 times the indefinite integral from 0->pi/2 of cos^8(x) dx   This problem showed up on one of the old exams and I fear... more
Follows • 2
Expert Answers •1

06/18/16

C.D.F ,F(x)
The random variable X has pdf given by f(x)=(1+x),-1<x≤0 and f(x)=(1-x),0<x<1      &   and  f(x)=(1+x),-1<x<0 and f(x)=(1-x),0<x<1    && Could you help me how... more
Follows • 2
Expert Answers •1

06/18/16

L HOPITALS and derivative
ive got 3 questions   lim x approaches positive 1 (sq rt of x^2 - 1) / (arcsecx)   lim x approaches 0  2arctan3x^2 / 7x^2     initial value prob   dy/dx=1/(x^2+1) -1     I NEED HELP... more
Follows • 2
Expert Answers •1

06/18/16

Factorise x2+y2+z2-xy-yz-zx
As omega ina comex number. In a simple way for school grade student
Follows • 2
Expert Answers •1

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.