What is the sum of 12 – 5i and –3 + 4i?
2 answers:
12-5i + -3 + 4i
you will put them in brackets
(12-(5*i)) + (-3 +4*i)
is equal to 9-i
Hope this Help!
the answer is B.) 9-i
hope it helps
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
x= length of the piece
we x, 3x,4x
x+3x+4x=24
8x=24
x=24/8=3
x=3, one side, another is 9, another is 12
