Mathematics, 14.04.2021 19:20 risaroo070618
When you exercise, your target heart rate r at 90% can be determined by the formula r = 0.9(250 − a) where a represents your age in years. Solve the formula for a.
Answers: 3
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When you exercise, your target heart rate r at 90% can be determined by the formula
r = 0.9(250 − a...
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