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Tcecarenko [31]
3 years ago
6

Renee is wanting to join a gym.

Mathematics
1 answer:
WINSTONCH [101]3 years ago
7 0
Pumping iron: 10x+90=0
Fit for life: 15x+50=0

Set them equal to each other. 10x+90=15x+50. Solve for x. Subtract 50 from both sides, get 10x+40=15x, then subtract 10x from both sides, getting 40=5x. Divide 5 from both sides to isolate x, x=8. After 8 months the two gyms will cost the same.
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<u>Part B</u>

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Therefore, ABCD and A'B'C'D' are congruent.  They are the same shape and size as they have only be reflected and translated.

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