4.3125 is the answer to that equation
Answer:
easy-peasy
Step-by-step explanation:
Perimeter:
P=2(a+b)
P=2(50+70)
P=2(120
P=240
Area:
A=50*70
A=3,500
I really hope it helped:)
The correct answer for this question is 11 - 13i.
This is how to answer this one:
(7 - 3i) (2 - i)
= [ (7*2) - (3i*2) - (7*i) + (3i*i) ]
Get the product of each term
= (14 -6i - 7i + 3i^2)
Group similar terms
= 14 - 13i - 3
Simplify.
= 11 - 13i
Side solution:
i = square root (-1)
i^2 = -1
