Suresh is comparing magazines and newspapers.

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 ...continues

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. 1. Write a hypothesis about the l ...continues

Linear Algebra -- Parseval's formula

Orthogonality questions (see attached)

Linear Algebra -- Eigenvalues and Eigenvectors

find the eigenvalues in the matrix

Square roots

square root of 100 plus the square root of 200 plus the square root of 300 multiplied by the square root of 400 equals ?

Solving exponential equations.

Solve for t: 1.) 7*(4^t)=9 2.) 2^(t+1)=5^(t-3)

Calculations regarding the inverse of cos.

Inverse cos of (square root of 2/2)

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

Conversion of units

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.)