$\displaystyle\\
\begin{cases}
R_1 = 3R_2\\
\pi R_1^2 +\pi R_2^2=12\pi ~~~\Big|~~:\pi 
\end{cases} \\ \\ 
\begin{cases} 
R_1 = 3R_2\\
R_1^2 + R_2^2=12 
\end{cases} \\ \\ 
(3R_2)^2+ R_2^2=12 \\ \\ 
9R_2^2 + R_2^2=12 \\ \\ 
10R_2^2=12\\\\
R_2^2 = \frac{12}{10} = \frac{6}{5} \\ \\ 
R_2 = \boxed{\sqrt{\frac{6}{5}} } \\ \\ 
R_1 = \boxed{3\sqrt{\frac{6}{5}} }$

7 0

3 years ago

A jaguar runs 3 miles in 3/4 hour. How far can the jaguar run in 1 hour?

Ivan

Answer:

4 miles

Step-by-step explanation:

3/4 divided by 3= 1/4

3/3 = 1

1x4=4

8 0

2 years ago

Read 2 more answers

PLEASE HELPPPP!!!!!!!

jek_recluse [69]

Answer:

the length between them is 4

Step-by-step explanation:

from Q - T

both are at -9 so its a straight line.

the difference between -2 and 2 is 4

-2 , -1, 0, 1, 2,

8 0

2 years ago

Read 2 more answers

52/30 simplified to lowest point

kumpel [21]

26/ 15 but make it into a mixed number you can do it!

8 0

3 years ago