A typical person has an average heart rate of 71.0 beats/min. Calculate the given questions. How many beats does she have in 4.0
1 answer:
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Let
x--------> the number of children
y------> the number of teenagers
z------> the number of adults
we know that
------> equation A
-----> equation B
-------> equation C
Substitute equation C in equation A and equation B
--------> equation D
--------> equation E
Multiply equation E by
--------> equation F
Adds equation D and equation F
therefore
<u>the answer is the option</u>
Slope: 1/2
y-intercept(s): (0, 7/3)
x: 0, 7
y: 7/3, 0
