The running tracks of two different playgrounds are shown below. Figure A is a semicircle with a diameter of 100 m. Figure B is
composed of two semicircles and a square with sides of 100 m. How much farther would an athlete run if they ran around the track in Figure B vs. the track in Figure A?
2 answers:
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Answer:
y =
Step-by-step explanation:
Substitute x = - 2 into the equation and solve for y
3(- 2) + 5y = 8, that is
- 6 + 5y = 8 ( add 6 to both sides )
5y = 14 ( divide both sides by 5 )
y =
<h3>Answer: Choice E</h3>
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Explanation:
Think of 25 as 25/1 and 5 as 5/1
Choice E is really saying which becomes
. Note the second fraction flips and we change to a multiplication sign.
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Or you could think of it like this:
to help see why the answer is E.