Mathematics, 15.04.2021 05:10 theyfallfora
When you exercise, your target heart rate r at 70% can be determined by the formula r = 0.7(220 − a) where a represents your age in years. Solve the formula for a. PLEASE HELP
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When you exercise, your target heart rate r at 70% can be determined by the formula r = 0.7(220 − a)...
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