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irina [24]
3 years ago
14

Help me answer this please!

Mathematics
1 answer:
Ilya [14]3 years ago
4 0

Answer:

0.5

Step-by-step explanation:

substitute x for 4

simplify for

2/sqrt16

2/4

1/2

0.5

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Answer:

-0.7

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Step-by-step explanation:

Let the number be x, then

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2 years ago
Write the equation in standard form for the circle with center (5,0) passing through (-1, 9/2)
andreev551 [17]

Answer:

(x - 5)^2 + y^2 = 225/4,

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Step-by-step explanation:

The factor form is

(x - h)^2 + (y - k)^2 = r^2  where the center is (h, k) and r = the radius.

So we have:

(x - 5)^2 + (y - 0)^2 = r^2

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So  substituting for r^2:

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