1 answer:
Answer:
d =±2sqrt(7) i
Step-by-step explanation:
d^2 = -28
Take the square root of each side
sqrt(d^2) = ±sqrt(-28)
d = ±sqrt(-28)
d = ±sqrt(-1)sqrt(28)
We know that sqrt(-1) = i
d =±i*sqrt(4)sqrt(7)
d =±i 2sqrt(7)
d =±2sqrt(7) i
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Wish we wienebbesd behave eveu
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-11
Step-by-step explanation:
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Y² + 16 = 212
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You espect wint the 40% of 60:
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Answer: you expect win 24 times.
54:450*100 =
(54*100):450 =
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