$\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ V=1767.1 \end{cases}\implies 1767.1=\cfrac{4\pi r^3}{3}\implies 5301.3=4\pi r^3 \\\\\\ \cfrac{5301.3}{4\pi }=r^3\implies \sqrt[3]{\cfrac{5301.3}{4\pi }}=r\implies 7.4999\approx r$

3 0

3 years ago

A hot cup of coffee is put outside on a cool day. The temperature of the coffee, C in degrees Celsius, is a function of time, t

MArishka [77]

9514 1404 393

Answer:

units for 20: minutes
units for 30: degrees Celsius

Step-by-step explanation:

The problem statement tells you the function value is in degrees Celsius, and the function argument is in minutes.

units for 20: minutes

units for 30: degrees Celsius

4 0

3 years ago

F(a) = 3a; Find (7)​

F(a) = 3a; Find (7)