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babymother [125]
3 years ago
10

A circle has a center at (5, 5) and a radius of 2. If the format of the equation for the circle is (x − h)2 + (y − k)2 = r2, the

n what is r2?
Select one:
A. 1
B. 2
C. 3
D. 4
E. 5
Mathematics
1 answer:
earnstyle [38]3 years ago
5 0

Answer:

D:  r^2 = 4

Step-by-step explanation:

Square the radius:  r^2 = 2^2 = 4 (answer)

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Answer:

21870 km^2

Step-by-step explanation:

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Where r=18 km and theta=135

Area of sector=1/2(18)^2(135)

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Which expression is equivalent to
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For this case, we must find an expression equivalent to:

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Rewriting the previous expression we have:

The "-" are canceled and we take into account that:

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So:

\frac {3} {5x^5 * x ^ 1 *y ^ 9* y ^ {- 3}} =

According to one of the properties of powers of the same base, we must put the same base and add the exponents:

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Answer:

\frac {3} {5x ^ 6 * y ^ 6}

Option B

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A fence is 4 feet tall. The fence has a shadow that is 5 feet long. Paul is 6 feet tall, and he is standing next to the fence. U
adoni [48]

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cross multiply

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Step-by-step explanation:

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