Answer:
−15+8i
Explanation:
First, you can expand the square of the bynomial:
(1+4i)2=1+8i+16i2
Since
i2=−1
the given expression becomes:
1+8i−16=−15+8i
Answer:
It was the development of an assembly line
Step-by-step explanation:
This is the reason because it increased the efficiency of manufacture and it also decreased the cost of building these cars.
Answer:
84
Step-by-step explanation:
sum of interior angles of a pentagon is 540. A triangle is 180, then for each side you add another 180, so a square would be 360 and a pentagon is 540
Sum up all given sides
131+108+107+110=456
subtract this number from 540
540-456=84
x degree= 84
Answer:
b.4
Step-by-step explanation:
y=mx+b
m= -2/3
b=8
y=-2/3x+8
y=-2/3·6+8
y=4
Answer:
5
Step-by-step explanation:
|5| means take the non negative value of 5
|5| = 5
