WILL MEDAL!!! help please! During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M=1

Question

3 years ago

9

WILL MEDAL!!! help please! During exercise, the recommended maximum heart rate in beats per minute is modeled by the formula M=1

76-0.8A, where M is the maximum heart rate and A is the persons age. Approximately, at what age would you have a recommended heart rate in beats per minute of 135? a. 25 years b. 39 years c. 51 years d. 53 years

Mathematics

2 answers:

melisa1 [442] · Answer 1 · 2022-04-18T19:13:45+03:00

melisa1 [442]3 years ago

8 0

Answer:

C!!!!!!!!

Step-by-step explanation: hope this helps

kodGreya [7K] · Answer 2 · 2022-04-18T17:14:35+03:00

kodGreya [7K]3 years ago

6 0

We know that the maximum heart rate is 135.
135= 176 - 0.8A
0.8A = 41
A = 51.25 ≈ 51
The answer is choice C