CBEST math Practice Test Questions and Answers All Correct

CBEST math Practice Test Questions and Answers All Correct Which of the following mathematical expressions is equivalent to bh /2 ? A. b/2 × h/2 B. 2 (b × h) C. b/2 + h/2 D. 1/2 (b × h) E. b × 2h - Answer-D? Peter works 38 hours per week and earns $7.25 per hour. His employer gives him a raise that increases his weekly gross pay to $307.80. What is the increase in Peter's weekly gross pay? A. $ 32.30 B. $ 34.70 C. $ 42.46 D. $275.50 E. $300.55 - Answer-A. since 7.25x38=275.50. Then minus 307.80 by 275.50=32.5 Formula for Discounted Price - Answer-=(1-%discount/100)x (original price) Finding Length of Tape - Answer-2(height) + 2(top+bottom) Increase Tape Length by % Formula - Answer-=(1+%/100)(original length) Average Formula - Answer-Add up all numbers, then divide by the amount of numbers. Ex: x+y+z/3 Distance - Answer-(rate)(time) d=rt Dirt Average distance - Answer-total distance/total time Increased Final Amount - Answer-%increase/100xOriginal amount +original amount 1/3 (decimal) - Answer-0.33333 or .3-^, 33.3 % 1/4 (decimal) - Answer-0.25 or 25% 1/5 to decimal - Answer-0.2 or 20% 1/6 (decimal) - Answer-.16 repeating or 16.6 % 2/3 (decimal) - Answer-0.66666 2/5 to decimal - Answer-0.4 3/4 (decimal) - Answer-0.75 3/5 to decimal - Answer-0.6 (non repeating) 4/5 (decimal) - Answer-0.8 5/6 (decimal) - Answer-0.83 repeating 4/6 (decimal) - Answer-.666 repeating nearest tenth - Answer-First number after decimal nearest hundred - Answer-Second number after decimal PEMDAS - Answer-Parentheses, Exponents, Multiplication, Division, Addition, Subtraction Proportions - Answer-cross multiply US measurement system - Answer--based on customary units -consists of volume, weight, temperature, and length Perminator of rectangle - Answer-2l+2w Perimeter of a triangle - Answer-P = a + b + c Area of a triangle - Answer-A=1/2bh Area of a square - Answer-A=s² or A=bh Area of a circle - Answer-A=πr² r=radius-half Temperature Conversions - Answer--A temperature interval of one degree F is an interval of 5/9 of a degree C