Bri0929
02.08.2019 •
Mathematics
Subtract and simplify. (y2−3y−5)−(−y2−7y+4) *both y's with no variable are squared
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Ответ:
=y2-3y-5+y2+7y-4
=2y2+4y-9
Hope this helps! :)
Ответ:
23.6 degrees
Step-by-step explanation:
Here, sin(<XZY) = 6/15 = 2/5
So, <XZY = arcsin(2/5) = 23.6