Mathematics > QUESTIONS & ANSWERS > 31 Critical ACT Math Formulas ALL ANSWERS 100% CORRECT SPRING FALL 2023/24 EDITION GUARANTEED GRADE (All)
31 Critical ACT Math Formulas ALL ANSWERS 100% CORRECT SPRING FALL 2023/24 EDITION GUARANTEED GRADE A+
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slope (y₂-y₁)/(x₂-x₁) slope-intercept form y=mx+b midpoint formula ((x₁+x₂)/2, (y₁+y₂)/2) distance formula (√(x₂-x₁)²+(y₂-y₁)²) logarithms log(b)x=y -> b^y=x mean... (sum of terms/amount of terms) speed (total distance/total time) probability of an outcome (number of desired outcomes/total number of possible outcomes) combinations x*y*z x percent of a given number n ((n)(x/100)) how much n percent is of another number ((100n)/m) number in is x percent of ((100n)/x) area of rectangle l×w perimeter of a rectangle (2l+2w) volume of a rectangular solid V=l*w*h area of a parallelogram A=l*h [Show More]
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