Find the length of a rectangle given that the perimeter is 192 feet and the length is 3 times the width.
1 answer:
Answer:
The length is 72 feet.
Step-by-step explanation:
<em>Equations</em>
2L+2W=192
L=3W
<em>Solving/Substitution</em>
2(3W)+2W=192
8W=192
W=192/8=24
L=24*3=72
The length is 72 feet.
The width is 24 feet.
<em />
You might be interested in
Answer:
If you mean width then...
Step-by-step explanation:
4.2=4 1/5
4.2/2=2.1
Answer: w=2.1
check:
l*w=A, 2*2.1=4.2
Answer:
Your question is Incomplete....
Answer:
![\sf a^4 +16a^2 -b^2 a^2 -16b^2](https://tex.z-dn.net/?f=%5Csf%20a%5E4%20%2B16a%5E2%20-b%5E2%20a%5E2%20-16b%5E2)
Explanation:
![\sf ( a+ b) ( a- b) ( a^2 + 4^2)](https://tex.z-dn.net/?f=%5Csf%20%28%20a%2B%20b%29%20%28%20a-%20b%29%20%28%20a%5E2%20%2B%204%5E2%29)
expand
![\sf (a^2-ba+ba-b^2 ) ( a^2 + 16)](https://tex.z-dn.net/?f=%5Csf%20%28a%5E2-ba%2Bba-b%5E2%20%29%20%28%20a%5E2%20%2B%2016%29)
simplify
![\sf (a^2-b^2 ) ( a^2 + 16)](https://tex.z-dn.net/?f=%5Csf%20%28a%5E2-b%5E2%20%29%20%28%20a%5E2%20%2B%2016%29)
expand
![\sf a^4 +16a^2 -b^2 a^2 -16b^2](https://tex.z-dn.net/?f=%5Csf%20a%5E4%20%2B16a%5E2%20-b%5E2%20a%5E2%20-16b%5E2)
The answer is <span>subsistence farming you welcome </span>
perimeter = length plus
breadth
8cm +7cm + 5cm
= 20