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Alik [6]
3 years ago
5

Twice a number is one?

Mathematics
2 answers:
Law Incorporation [45]3 years ago
7 0

Answer:

2x=1

Step-by-step explanation:

svetlana [45]3 years ago
4 0

Answer:

Step-by-step explanation:

Twice a number x simply means '2x. ' Twice means 2 and a number x represents the variable. In this case, they mean multiplication because twice of something means two times. And, this gives us two times x, or '2x.

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Karolina [17]
Are you sure you've copied down the original problem exactly as given?  i38 = 38i can't be simplified.  Perhaps you meant i^38, which is a different matter.

Note that i^38 = i^32 * I^4 * I^2.

Note that i^0, i^4, i^8, etc., all equal 1.  Therefore,

i^38 = (1)(1)i^2 = 1*(-1) = -1 (answer)
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Step-by-step explanation:

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