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katrin2010 [14]
3 years ago
15

HELP ME PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEE

Mathematics
1 answer:
ANTONII [103]3 years ago
5 0
Multiply 400 times 0.70 and that’s how you get the % (in this case 280)
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Answer:

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Step-by-step explanation:

1. Multiply (10-4i) and (4-5i), I recomnd using foil:

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*we can do this since there is a "+":    

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5-46i

And the problem is done

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