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
Step-by-step explanation:
if I understand correctly, then he bought a CD with a balance of c and an annual interest rate of 6%.
now, after this one year the CD is worth (the account balance is) c + 6% = 100% + 6% = 106% = 1.06×c
Answer:
5/100
Step-by-step explanation:
5 over 100 is 5%, while the other options are 50%
Answer:
2
Step-by-step explanation:
15 yd
as area of traingle = 1/2 × base × height
and base = 10 yd
height = 3 yd
therefore.
area = 1/2 × 10 × 3
=10×3÷2
= 15 yd square
hope it is helpful
