In a class of 7 students there are 4 that play soccer. if the teacher picks 3 students what is the probability that none of them play soccer

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Step-by-step explanation:

The total number of ways to draw 3 students is 7*6*5 = 210

Order does not matter. There are 3 students that don't play soccer.

P(3 don't play soccer) = 3*2 * 1 / 210 = 1/35 = 0.02857

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3