Answer: B
Step-by-step explanation:
![\frac{4+5i}{4i}\\ \\ =\frac{1}{4} \left(\frac{4+5i}{i} \right)\\\\=\frac{1}{4}((-i)(4+5i))\\\\=\frac{1}{4}(-4i-5i^2)\\\\=\frac{5-4i}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B4%2B5i%7D%7B4i%7D%5C%5C%20%5C%5C%20%3D%5Cfrac%7B1%7D%7B4%7D%20%5Cleft%28%5Cfrac%7B4%2B5i%7D%7Bi%7D%20%5Cright%29%5C%5C%5C%5C%3D%5Cfrac%7B1%7D%7B4%7D%28%28-i%29%284%2B5i%29%29%5C%5C%5C%5C%3D%5Cfrac%7B1%7D%7B4%7D%28-4i-5i%5E2%29%5C%5C%5C%5C%3D%5Cfrac%7B5-4i%7D%7B4%7D)
The perimeter is 450
if you use the formula
P=2l+2w
16 gallonsFor the first answer number six
Answer:
A. x=0
Step-by-step explanation:
x+20+10x=20+9x
cancel equal terms
x+10x+9x
add x to 10x
11x=9x
move variable to left
11x-9x=0
subtract 11x to 9x
2x=0
divide Both sides by 2
x=0