The perimeter of a rectangle is the sum of it's sides. If we know that l = 3w +3, we can plug it into P = 2l + 2w.
Answer:
a. 42
Step-by-step explanation:
What I did was I multiplied each one by 35. (The formula for finidng area is width times length and we already know the area, 1470.) 1435x35 is way too big, 44x35 is 1540 still too big, but 42x35 is 1470 and the area is 1470 ft squared therefor, 42 is your answer.
Answer:
0
.
6
=
4
.
8
0.6x=4.8
0.6x=4.8
3
5
=
4
.
8
Step-by-step explanation:
Answer:
The mean proportional of 6, and 24 will be 12
Step-by-step explanation:
We know that the Mean proportional of two
numbers, x, and y : 
Therefore, the mean proportional of 6, and 24




![\mathrm{Apply\:radical\:rule}:\quad \sqrt[n]{a^n}=a](https://tex.z-dn.net/?f=%5Cmathrm%7BApply%5C%3Aradical%5C%3Arule%7D%3A%5Cquad%20%5Csqrt%5Bn%5D%7Ba%5En%7D%3Da)


Therefore, the mean proportional of 6, and 24 will be 12.