Simplifying Expressions : Number Properties

Simplify each of the following expressions further and identify the number property(ies) used in each. 1. 2 x (15+8)= (2 x 15)+ (2 x 8)= 2. 5/2 x (3/4 x 2/5)= (5/2 x 2/5)x 3/4=

Testing for Divisibility (Without using a Calculator!)

Test the following for divisibility by 2,3,4,5,6,8,9,and 10. (No calculator, explain your thinking). i. 6 543 210 b. What is the smallest whole number that is divisible by 2,3,4,5,6,8,9 and 10.

Prime factorization

Rewrite in the simplest form. State the GCF(greatest common factor) of numerator and denominator in each case. 1. 34/85 2. 123123/567567 Find 5/9+7/12 using three different denominators. Give your answers as mixed numbers in lowest terms. State the LCM (least common multiple)of the denominators.

Simplifying and Simplest Form

a. Simplify 3exponent5 x 24exponent3 divide by 12exponent3 x (6exponent3)2 b. Find the sum and express the answer in simplest form(leave as prime factors)!! 1/2exponent2 x 3exponent2 + 1/2 x 3exponent3

Fractions : Word Problem

All of the primary students at the Sunshine Elementary School were present on the day that one-third of the class went on the science field trip. Two fifths of the remaining primary students went skating at the local rink.If there were 36 primary students remaining at school, how many primary students attend Sunshine Elementary? ...continues

Probability : Random Variable and Probability Density Function

Problem 1: A random variable X takes values between 0 and infinity with a probability density function f(x) = A + Be^(-x) for 0 <= x <= infinity. a) find A and B b) find expected value of X c) what is the median of X?

What is the F-Test, with regards to variances in populations being the same?

What is the F-Test, with regards to variances in populations being the same? (Include some examples) A study of the effect of weathering on the radioactivity of granite was made by collecting a random sample of weathered rocks & another random sample of freshly exposed rocks. Measurements were made of the amount of radioactiv ...continues

Venn Diagrams : Union and Intersection of Sets

Given the universal set of {x 0 ...continues

Financial Accounting

Why is depreciation included in the statement of cash flows?

Financial Accounting

What are the shortcomings of analyzing a company using only one financial ratio?