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xxMikexx [17]
3 years ago
12

Medical researchers have determined that for exercise to be beneficial, a person’s desirable heart rate, R, in beats per minute,

can be approximated by the formulas where a represents the person’s age. If the desirable heart rate for a man is 135 beats per minute, how old is he?
Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
7 0

Answer:

40 years old

Step-by-step explanation:

R, in beats per minute, can be approximated by the formulas , where a represents the person's age.

R= 143 - 0.65a for women

R= 165 - 0.75a for men,

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2 Miles per hour

Step-by-step explanation:

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3 years ago
In the lab, Alonzo has two solutions that contain alcohol and is mixing them with each other. Solution A is 6% alcohol and Solut
ioda

Answer:

200 mL

Step-by-step explanation:

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4 years ago
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Can some on help me please??
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Frequency is 2, 2 and 3.

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Temp in 101 to 106 - In this range only 2 temperature is there 104 and 104 in 2 cities. so frequency is 2.

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3 years ago
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Angel is 35 years old. She has $550 in a checking account, $6,500 in investments, $15,000 in a retirement account, and owns a ho
krek1111 [17]
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3 years ago
NEED HELP ASAP WILL MARK BRAINLIEST IF RIGHT!!!​
Zarrin [17]

Answer: Area = x² + 6x + 8

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3 years ago
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