colin774
23.03.2021 •
Mathematics
There are two identical glasses. One glass is 3/5 full. The other is 7/8 full.
Water is poured from one glass to the other so that one of them is now full.
What fraction of the other glass is filled?
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Ответ:
A: 19/40
Step-by-step explanation:
LCD = 40
7*5=35 ->35/40
3*8=24 ->24/40
combine like terms
for simplicity, I'll use a mixed number
1 19/40
subtract your "full glass"
1 19/40 - 1 = 19/40
Ответ:
No
Step-by-step explanation:
cosx = siny only if x = y = 45°
Otherwise
cosx° = sin(90 - x)°