Question

During exercise, the recommended maximum heart rate in beats per minute is modeled by the
formula M = 176 – 0.8A, where M is the maximum heart rate and A is the person’s age. Approximately, at
what age would you have a recommended heart rate in beats per minute of 125? (1 point)
52 years
64 years
67 years*
70 years

Answer 1

M = 176 – 0.8A

125 = 176 - 0.8A

0.8A = 51

A = 51 / 0.8

A = ?

Answer 2

about 64

Thank You so much

Answer 3

You're very welcome.

And 64 is right.

Answer 4

Thanks ms.sue you are always helping and for that i thank you.

Answer 5

50 years

Answer 6

50

Answer 7

64