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geniusboy [140]
3 years ago
10

When exercising a person's pulse rate should not exceed a certain limit which depends on his or her age.This maximum rate is rep

resented by the expression 0.8(220-a)where a is age in years.Find the age of a person whose maximum pulse is 152.
Mathematics
1 answer:
yuradex [85]3 years ago
6 0
The age of a person whose maximum pulse is 152 is 30 years old.
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The number of handshakes that will occur in a group of eighteen people if each person shakes hands once with each other person in the group is 153 handshakes

In order to determine the number of handshakes that will occur among 18 people, that is, the number of ways we can choose 2 persons from 18 people.

∴ The number of handshakes = ^{18}C_{2}

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Learn more here: brainly.com/question/1991469

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