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50!/48! = ? - CORRECT ANSWER: 2450
7 runners in a race, how many different orderings of 1st, 2nd, and 3rd place can there
be? - CORRECT ANSWER: 210
A solution containing 30% juice is mixed with a solution containing 10% juice to make
100 gallons of solution that makes 12% juice.How much of the 30% solution was used?
- CORRECT ANSWER: 10 gallons
How do you calculate the degrees of a polygon? - CORRECT ANSWER: Angle degree
= 180 (n-2) *n = number of sides
How do you classify polynomials by degree? - CORRECT ANSWER: 0-constant
1-linear
2-quadratic
3-cubic
4- quartic
5- quintic
How do you classify polynomials by the number of terms? - CORRECT ANSWER: 1-
monomial
2-binomial
3-trinomial
, 4-quadnomial
5-polynomial
How do you convert Celsius to Fahrenheit? - CORRECT ANSWER: F = (9/5)C + 32
How do you convert Fahrenheit to Celsius? - CORRECT ANSWER: C = (5/9) x (F - 32)
How do you find Arc length? - CORRECT ANSWER: s = radians x radius
How do you find slope? - CORRECT ANSWER:
How do you find the angle between a vector? - CORRECT ANSWER: * Remember
inverse cosine when plugging into the calculator
How do you find the area of a parallelogram? - CORRECT ANSWER: A = bh
How do you find the area of a trapezoid? - CORRECT ANSWER: A = (1/2)h (b1 + b2)
How do you find the area of a triangle? - CORRECT ANSWER: A = (1/2)bh
How do you find the circumference and area of a circle? - CORRECT ANSWER: C = 2 x
pi x r
C = pi x d
A = pi x r^2
How do you find the distance between two points? - CORRECT ANSWER:
How do you find the magnitude of a vector? - CORRECT ANSWER: Distance formula