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ANEK [815]
3 years ago
8

Solve −3x2 + 30x − 90 = 0. x equals 5 plus or minus 2i square root of 5 x equals 5 plus or minus i square root of 5 x equals 10

plus or minus 2i square root of 5 x equals 10 plus or minus i square root of 5
Mathematics
2 answers:
Tcecarenko [31]3 years ago
5 0
The x in your equation is 16/5 or 3 1/5 or 3.2 if you want it simplified 
aliina [53]3 years ago
5 0

Answer:

x = 5 +/-<em> i</em> √5

(took the test just now)

Hope this helps !

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Step-by-step explanation:

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2 years ago
What is 160% of 19? What is 0.9% of 54? What is 15% of 376?
mafiozo [28]
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Convert 160 into a decimal: 160%/100 = 1.6
Multiply the decimal by 19: 1.6 × 19 = 30.4 <-- our answer.
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Convert 0.9% in a decimal: 0.9%/100 = 0.009
Multiply the decimal by 54: 0.009 × 54 = 0.486 <-- our answer.
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Convert the percentage into a decimal: 15%/100 = 0.15
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1. The last time Lola played
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