EOG Review Quizlet
Important things to remember:
When you divide by a negative or multiply by a negative; you flip the inequality symbol < >
Mean: add all numbers and divide by how many you added
Mode: The one you see the most
Median: the middle number when they are in order least to greatest; if there are two, find the mean of them
Range: biggest minus smallest
MAD: Find the Mean; find each number's distance from the mean, then find the mean of the distances
I=p*r*t
p = 3.14
part/whole = %/100
Area of a circle: r*r*p
Circumference of a circle: p*r*2
Surface area: find the area of each side and add them up
Area of a triangle: 1/2 * b * h or b*h/2
complementary: angles that equal 90
supplementary: angles that equal 180
vertical angles: equal or the same
adjacent angles: side by side (share a vertex)
Fraction to decimal: divide numerator by denominator 1/2 = 0.5
decimal to percent: multiply it by 100
percent to decimal: divide it by 100
tax and tip: whole times percent divided by 100 gives tax amount
discount: subtract from the whole
commission: find the part-this is the amount the person makes
proportion: two equal fractions
compound probability: multiply each outcome