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nata0808 [166]
2 years ago
12

A circle is represented by the equation x²+y²−8y−20=0. What is the diameter of the circle?

Mathematics
1 answer:
vredina [299]2 years ago
7 0

Answer:

center:(0,4) radius:6

Step-by-step explanation:

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If T is the midpoint of SU find the values of x, ST and SU.
Nitella [24]

Answer:  The required values are

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Step-by-step explanation:  Given that T is the midpoint of SU, where

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We are to find the values of x, ST and SU.

Since T is the midpoint of SU, so we get

ST=TU\\\\\Rightarrow 5x=3x+24\\\\\Rightarrow 5x-3x=24\\\\\Rightarrow 2x=24\\\\\Rightarrow x=\dfrac{24}{2}\\\\\Rightarrow x=12.

So, the value of x is 12.

Therefore,

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and

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Thus, the required values are

x = 12 units, ST = 60 units and SU = 120 units.

8 0
2 years ago
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Help me PLEASEEEEEEEEEEEEE
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Answer:

D. 144

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2 x 1 = 2

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Simplify:

16/1 x 9/1 = 144/1

Answer: 144

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total  = 3 hours
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