Math Answers

simplify (4x^1/3+ 4x^7/3-8x^4/3)÷4x^1/3

Solve the following differential equations : (x + cosy)dx + (-xsiny)=0

Let R be a relation on the set A={1,2,3,4,5,6} defined by R= {(a,b):a+b is less than or equal to 9}. What are the elements of R?

A long thin steel railway tie is 10 yards at 60oF. What will be the length be when the temperature falls to -15oF?

If g(y) = y/(1-y), show that 1/2[g(y) + g(-y)]= g(y^2).

If f(x)= x(x+1), show that f(x +h)- f(x) = h(2x+1+h).

Where in the world do we find some early evidence that people counted?

A positive z-score always corresponds to an X value greater than the mean. True or False?

Comparing the survey results of votes to the actual votes received by a candidate 

in an election. Identify if it is two tailed or one tailed

Two adjacent sides of a parallelogram meet at an angle of 450 and have lengths of 5 and 11 feet respectively. Find the length of the diagonals.