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inessss [21]
3 years ago
7

Solve for y 20x+5y=60 -20x -20x 5y=-20x+60 is it positive or negative 20?

Mathematics
1 answer:
valkas [14]3 years ago
6 0

Step-by-step explanation:

it is negative 20 I'm pre sure

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eduard

Answer:

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Step-by-step explanation:

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1. What is the center and radius of the circle?<br> (x-4)² + (x-7) ² - 49
tester [92]

Answer:

Center at (4, 7) and radius is √49, or 7

Step-by-step explanation:

Didn't you mean (x-4)² + (y-7) ² = 49?

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to                          (x - h)^2 + (y - k)^2 = r^2, we see that the center is at (h, k)  =>  (4, 7) and that the radius is √49, or 7.

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4 years ago
Use the diagram shown. If BC = 14, AB = 11, and the perimeter of triangle ABC is 39, then what is the value of BD?
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Answer:

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Step-by-step explanation:

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