A card is drawn from a standard deck of cards. The card is replaced and a second card is drawn. Find each probability. 1. P (of 4 and 8)
2. P (of queen of hearts and 10)
3. P (of spades and 7 of clubs)
4. P (of red jack and black ace)

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Ответ:

arias58

17.03.2022

Mathematics

Slope is -1/3 and y-intercept is 23/3

Step-by-step explanation:

Parallel lines share the same exact slope. This means that the line parallel to the equation y= -1/3x + 5 will have the same slope as it. Its slope is -1/3.

To find the y-intercept of the parallel line, substitute the slope -1/3 and the point (8,5) into the point slope form y-y_1 = m(x-x_1) .

$y-y_1 =m(x-x_1)\\y-5=-\frac{1}{3}(x-8)\\y-5=-\frac{1}{3}x + \frac{8}{3}\\y=-\frac{1}{3}x +\frac{23}{3}$

The y-intercept is 23/3.

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A card is drawn from a standard deck of cards. The card is replaced and a second card is drawn. Find each probability. 1. P (of 4 and 8) 2. P (of queen of hearts and 10) 3. P (of spades and 7 of clubs) 4. P (of red jack and black ace)