emileep13
07.12.2020 •
Mathematics
Can someone help me with this please thank you
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Ответ:
(8 + 6i)(7-9i) = (7-9i)(8 + 6i)
Step-by-step explanation:
The commutative law of multiplication states that no matter what order you put the terms in, as long as they are multiplying each other, the result would still be the same. In this case, no matter whether you put (7-9i) first or (8 + 6i) first, it will still equal to the same answer.
Ответ:
To prove the circles (or any polygon) are similar you need to establish a proportion between them that is multiplied or divided. Scale factors are products not sums, so A is out. We aren't translating, so B is out. We aren't flipping, so D is out.
Thus, the third choice of using a scale factor is best.