Arithmetic sequences and series,

Normal Distribution, You don''t have to give me the answer. I just want to ...

You don''t have to give me the answer. I just want to know HOW to do it. In a set of 400 ACT scores where the mean is 22 and the standard deviation is 4.5, how many scores are ex

Cross multiplication, 3/4=x/23.

3/4=x/23.

Tutor, I AM A EXPERT OF MATHEMATICS.CAN I BECOME A TUTOR? PLEASE TELL ME SO...

I AM A EXPERT OF MATHEMATICS.CAN I BECOME A TUTOR? PLEASE TELL ME SOON.

#titlealgebra.., help solve these type equations.-4.1x=-4x+4.5

help solve these type equations.-4.1x=-4x+4.5

Circumcircle problem, find the radius of circumcircle of an equilateral tri...

find the radius of circumcircle of an equilateral triangle of 6root3 one side.

Probability, If a school has lockers with 50 numbers on each co...

If a school has lockers with 50 numbers on each combination lock, how many possible combinations using three numbers are there.

Expressions, how do you solve expressions

how do you solve expressions

Determine the second derivative of q (t ) = sec (5t ), Determine the secon...

Determine the second derivative for following functions.                             Q (t ) = sec (5t ) Solution : Following is the first derivative.              Q′ (t

Distinct roots, There actually isn't a whole lot to do throughout this case...

There actually isn't a whole lot to do throughout this case.  We'll find two solutions which will form a basic set of solutions and therefore our general solution will be as,