<span>4*5/2 = 10
5*5/2 = 25/2 = 12/5
The poster is 10 x 12.5 inches. </span>
Answer:
6.5
Step-by-step explanation:
you take the sides all added up (which was 13in) and divided it by two
I think it’s 1/4 Buh I’m not sure
Basically each part of the first complex number gets multiplied by each part of the second complex number. You are multiplying 2 binomials.
(15 + 56i(7 + 4i)
= 105 + 60i + 392i + 224i^2
= 105 + 452i - 224 ( because i^2 = -1)
= - 119 + 452i