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1 year ago

AB is a tangent. Find the length of the radius, r.

Mathematics

1 answer:

Lena [83]1 year ago

4 0

Answer: 8

Step-by-step explanation:

Since AB is a tangent, angle CAB is a right angle. Thus, by the Pythagorean theorem, $r=\sqrt{17^{2}-15^{2}}=8$

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fenix001 [56]

Answer: B.

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2 years ago

(x+2/3)=(2x-4/2)<br> what is x equal to?

Nookie1986 [14]

X + 2/3 = 2x - 4/2
2/3 + 4/2 = 2x - x
2 + 2/3 = x
8/3 = x

I hope this helps!

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2 years ago

Factor Completely: 3x2 + 9x - 30

enyata [817]

Answer:

3(x-2)(x+5)

Step-by-step explanation:

1. Factor out common term 3

3(x^2 +3x-10)

2. Factor (x^2 +3x-10)

3(x-2)(x+5)

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2 years ago

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postnew [5]

Answer:

6 times 10^3

Step-by-step explanation:

You multiply 3 and 2 together and 10^7 and 10^-4 together. 3x2 is equal to 6 and 10^7 times 10^-4 is the same as 10^7-4 which is equal to 10^3. Therefore, the answer is 6 times 10^3.

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2 years ago

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mylen [45]

Answer:

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Step-by-step explanation:

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2 years ago