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3 years ago

7

Fifteen new students are to be evenly distributed among three classes. Suppose that there are three whiz-kids among the fifteen.

(a) What is the probability that each class gets one? (b) one class gets them all?

1 answer:

dimaraw [331]3 years ago

5 0

Well 3 times what equals 15 it' 5 so the probability of it will be 5 if that makes sense

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3. Answer: y = 4

<u>Step-by-step explanation:</u>

Need to find the slope (m):

$\dfrac{y_2-y_1}{x_2-x_1}$

$\dfrac{4 - 4}{-3-1}$

= $\dfrac{0}{-4}$

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********************************************************************

4. Answer: $\bold{y = \dfrac{2}{3}x + 3}$

<u>Step-by-step explanation:</u>

$y - y_1 = m(x - x_1)$

$y - 1 = \dfrac{2}{3}(x - (-3))$

$y - 1 = \dfrac{2}{3}(x + 3)$

$y - 1 = \dfrac{2}{3}x + 2$

$y = \dfrac{2}{3}x + 3$

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3 years ago