Hello,
z=6+2i
||z||=√(6²+2²)=√40=2√10
Answer:
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
The difference between price is 4 dollars and 4 dollars is 10 percent of 40, therefore it changes by 10%
{ x + 4y = 22 ( + x - x = 0 )
{ - x + 5y = 23
4y + 5y = 22 + 23
9y = 45
y =<u> 45 </u>
9
y = 5
x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2
S = { 2 , 5 }
Answer: $54.00
Step-by-step explanation:
$45.00 x .20 = $9.00
$45.00 + $9.00 = $54.00