80p=pr^2+p(2r)^2
80p=pr^2+4pr^2
80=r^2+4r^2
80=5r^2
16=r^2
r=4 for the smaller circle´s radius, and 8 is the larger circle´s radius.
Have a nice day, I hope this was helpful :D
Answer:
4/27 chance of getting a white marble.
Step-by-step explanation:
There are 4 white marbles but there are 27 marbles in total. If you wanted a percentage, then divide 4 by 27 and place the decimal two places to the right once you founded your answer.
(sorry if it's a bad explanation)
Answer:
The Distributive Property.
Step-by-step explanation:
4(x - 1) = 12
When distributing out the 4, it must go to all the terms within the brackets like this:
4x - 4 = 12.
4x = 16
x = 4.
Answer:
-1v
0.6y+2.1
3w-p+4
1-6x
0
-5x+10y+z-25
Step-by-step explanation:
Combine like terms
Answer: q=0.3p-2
Well everytime P goes up by one then Q goes up by positive 0.3
