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slavikrds [6]
3 years ago
12

PLEASE HELP ME. Is the point (3,-2) on the graph of 3x – 2y = 12?

Mathematics
1 answer:
Zinaida [17]3 years ago
3 0

Answer:

use photo math, take a picture of the equation, go down to the graph and see if there is a plot on (3,-2)

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Answer: First option.

Step-by-step explanation:

Marta needs to subtract 2\pi r^2 from  both sides of the equation:

s=2\pi rh+2\pi r^2

s- 2\pi r^2=2\pi rh+2\pi r^2- 2\pi r^2

s- 2\pi r^2=2\pi rh

Now she needs to divide both sides of the equation by 2\pi r, then:

h=\frac{s- 2\pi r^2}{2\pi r}

Rewriting:

h=\frac{s}{2\pi r}-\frac{2\pi r^2}{2\pi r}

Simplifying, she should get:

h=\frac{s}{2\pi r}-r

This matches with the first option.

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