The graph shows the relationship between the total amount of money that Carly will have left, y, if she buys x packs of baseball cards. A graph titled Money Left after Purchase. The x-axis shows packs of cards bought, numbered 1 to 9, and the y-axis shows the money left (in dollars), numbered 2 to 18. Blue diamonds appear at points (1, 16), (2, 12), (3, 8), (4, 4), (5, 0). How much money will she have if she doesn't buy any packs of baseball cards? $16 $18 $19 $20

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alphanastu alphanastu · Answer 1 · 2020-09-22T16:10:53+02:00

Answer:

its D

Step-by-step explanation:

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smecloudbird18 smecloudbird18 · Answer 2 · 2022-06-11T15:00:27+02:00

The money left will be $20

The slope is used to measure the inclination of a straight line regarding abscissa axis ( x axis) .

Given : x=0 ( no pack is bought)

to find : y = ? ( money left )

slope of a straight line = y2-y1 / x2-x1

Let us take two coordinates from the given ones (1,16) and (5,0)

slope = 0 -16 / 5-1 = -16 /4 = -4

since , slope is same for any coordinate for the whole line

to find y , using coordinate (1,16) and (0,y)

-4 = y-16 / 0-1

4 = y- 16

y = 20

answer is option d) $20 will be left if she doesn't buy any pack

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