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sergejj [24]
3 years ago
7

What addition expression is shown on the number line? 8 + ? 15

Mathematics
1 answer:
tekilochka [14]3 years ago
7 0

Answer:

Your answer is seven

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Match the lengths for the second legs of the right triangles below.
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For the first one it’s 40 feet
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Gnom [1K]

Answer:

12.566368 units

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3 years ago
The local radio tower is located 20 miles east and 12 miles north of Pamela's cabin. The radio tower has a 25 mile broadcast rad
pychu [463]

Answer:

x^2 +y^2 -40x -24y  -81 =0

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We can write the equation of a circle in the form

(x-h)^2 + (y-k)^2 = r^2

Where (h,k) is the center and r is the radius

Assuming that Pamela's cabin is the center

( x-20)^2 + (y- 12)^2 = 25^2

We want to get to general form

x^2 + y^2 + Dx + Ey + F = 0,

Distributing

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x^2 +y^2 -40x -24y  -81 =0

3 0
3 years ago
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