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finleymarch14
28.10.2020 •
Mathematics
(-22) × (-10) =
A 221
B 220
C -220
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Ответ:
B)
since they are both negative the product will be positive
(^人^)
Ответ:
Here we use the cosine :- cos x = adjacent / hypotenuse so the hypotenuse = adjacent / cos x. = y / cos x. We know what x and y are so its easy to find the hypotenuse.