Answer:
550 and 545
Step-by-step explanation:
Answer:
Step-by-step explanation:
let the width=x
length=3x+8
perimeter=2[3x+8+x]
=2[4x+8]
=8(x+2)
8(x+2)=64
x+2=64/8=8
x=8-2=6
width= 6 in
length=3(6)+8=26 in
Answer:
x=-2
Step-by-step explanation:
Combine like terms:
10- 2x - 7 - 8x = 5
10-(-7)=<u>10+7</u>=17
<u>2x-8x</u>=-6x
17-6x=5
-17 -17
6x=-12
÷6 ÷6
x=-2
1. 2^2=4
Sqrt(2) ≈1.4
4+1.4=5.4
2. -2^2 = -4
Sqrt(-2) = -1.4 i -> 1
3. 3x + 2 = 14
3x=12
X= 4