keshirkey

keshirkey has created 4 sets

GRE Math

3 terms
Arithmetic Mean The sum of the n values divided by n. Median Order values from least to greatest. The middle value if n is odd and the sum of the two middle valu… Mode The most frequently occurring value.

GRE Math

16 terms
x^(-a) 1/x^a (x^a)(x^b) x^(a+b) (x^a)(y^a) (xy)^a x^a/x^b x^(a-b)
OR
1/x^(b-a)
(x/y)^a (x^a)/(y^a) (x^a)^b x^ab x^0=1 If x≠0

GRE Math

9 terms
Prime numbers below 100 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97 Add or subtract decimals Line up decimal point Multiply decimals To determine the correct position for the decimal point in the product, you simply add the number of… Divide decimals To divide a decimal by another, first move the decimal point in the divisor to the right until the d… Percent Means per hundred or divided by one hundred What percent of 80 is 5 5/80 = x/100 and solve for x
80 is called the base of the percent

OR

Divide 5 by 80 and multiply …
Find percent increase from 600 to 750 Divide amount of increase (150) by the base (600) and then multiply the result by 100

GRE Math

15 terms
The sum of the measures of the interior angles of an n-sided polygon is (n - 2)(180°) Pythagorean Theorem The square of the length of the hypotenuse equals the sum of the squares of the lengths of the legs.… Area of a Triangle Half the length of a base multiplied by the corresponding height. Area = bh/2 Area of Rectangles and Parallelograms Area = bh Area of a Trapezoid Half the sum of the lengths of the two parallel sides (b₁ and b₂) and then multiplying the result by… Circumference (Diameter) c/d = π Circumference (Radius) c = 2πr
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