DAT MATH PROBLEMS Exam Questions With 100% Correct Answers.

DAT MATH PROBLEMS Exam Questions With 100% Correct Answers. log (x/4) =2 Solve: - answerRaise both sides to 10^x to cancel out log x/4=10^2 simplify x=400 Sum of Interior Angels Triangles: Square: Pentagon: - answerTriangle: (180)(3-2)=(180)(1)=180 Square: (180)(4-2)=(180)(2)=360 Pentagon: (180)(5-2)=(180)(3)=540 **Trend is that it keeps increasing by 180 Sum of Exterior Angels of Triangle - answer360 How do you calculate trapezoid area? - answerAverage of bases x height How do you find the circumference of a circle? How do you find the area of a circle? - answerC= 2 x π x r A= π x r^2 Surface Area of Sphere - answer4 x π x r^2 How do you calculate the volume of a sphere? - answer4/3 x π x r^3 5 red 3 green 4 blue What is the probability of getting red then another red, without replacement? - answer5/12 x 4/11 = 20/132 Pnumonic for sin, cos, tan? - answerSin= SOH Cos= CAH Tan= TOA CSC? SEC? COT? - answerCosecant = 1/ sin Secant = 1/ cos Cotangent = 1/ tan In a group of people, 30 of them wear glasses and 17 of them wear earrings. If 12 people wear both glasses and earrings, how many people wear only earrings or only glasses? A. 17 people B. 23 people C. 30 people D. 35 people E. 42 people - answer30 glasses 17 earrings 12 both 30-12=18 17-12=5