Math question

Context: It would normally follow on from work on setting up and testing hypotheses, and statistical analysis. Question: Suresh is comparing magazines and newspapers. He chooses a passage from one newspaper and one magazine. They each contain 100 words and he counts the lengths of all the words. now this is what you have to do o ...continues

The definition of a Kilogram and its conversion with gallons.

What is a Kilogram? Is a gallon of milk more than a kilogram or less than a kilogram?

Trigonometry Vector Problem: Force Angles

Three forces acting at a point are in equilibrium. The forces are 930 lb, 760 lb, and 1220 lb. Find the angles between the directions of the forces. (Hint: Arrange the forces to form the sides of a triangle.)

Calculating the height of a paper folded n times.

Pretend the paper is 1/1000 of an inch thick and suppose we could fold the paper 50 times. How many miles tall would it stand?

Rotational symmetry

I need to know about how to put Rotational Symmetry in order

Proving trigonometry identities.

Prove this identity. (cot^2 X) - (cos^2 X) = (cot^2 X)(cos^2 X)

Laplace transforms

Please see the attached problem file

Writing recursion formulas.

an = 1/2n. Write the recursion formula for this series?

Insight into the payback period method in accounting.

What is the payback period method in accounting?

Astronomy problem dealing with revolutions around the sun.

It takes the earth 1.0 year to travel around the sun. It takes Venus 0.615 years to orbit the sun. If the planets are in a straight line with the sun now, how long will it take before this is the case again?