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Sphinxa [80]
3 years ago
5

What is the solution of the equation?-10 + sqrt x+8 = -4

Mathematics
1 answer:
pantera1 [17]3 years ago
6 0
D:x+8\geq0\to x\geq-8\\\\-10+\sqrt{x+8}=-4\ \ \ /+10\\\\\sqrt{x+8}=-4+10\\\\\sqrt{x+8}=6\iff x+8=36\\\\x=36-8\\\\x=28\in D
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The diameter of a semicircle is 6 miles. What is the semicircle's perimeter?
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Answer:

15.42mi

Step-by-step explanation:

Use the formula for a semicircle's perimeter.

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Let's use 3.14 for \pi, just to make it easier, but of course, if it states to round it to something else, just plug in that many values for \pi.

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