Express the Statement as a Formula and Use the Information $Z$

question 21

Essay

Express the statement as a formula and use the information to find the constant of proportionality: $Z$ is jointly proportional to $a$ , $b$ , and $c$ and inversely proportional to $d$ . If $c$ and $d$ have the same value, and if $a$ and $b$ are both $6$ , then $Z = 360$ .

---

Definitions:

EDV

End-Diastolic Volume, the amount of blood in the ventricles of the heart immediately before it contracts.

ESV

End-Systolic Volume, the volume of blood in the ventricle at the end of contraction, just before ventricular relaxation.

HR

An acronym for Heart Rate, which is the number of times the heart beats per minute, an important indicator of cardiovascular health.