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biancaceja755
27.04.2021 •
Mathematics
Find the surface area.
16 km
10 km
Solved
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Ответ:
hi
Step-by-step explanation:
wich shape?
have a nice day
Ответ:
U99BC6
Step-by-step explanation:
Ответ:
There are 12 multiple choice questions.
Step-by-step explanation:
The given equations are :
Multiplying (1) by 3 and subtracting from (2)
Equation 1 becomes:![3m+3f=45](/tpl/images/0216/7950/65d20.png)
Subtracting this from 2, we get
=>![2f=6](/tpl/images/0216/7950/51e79.png)
f=3
And as![m+f=15](/tpl/images/0216/7950/9129f.png)
Substituting f = 3, we get
So,![m=15-3=12](/tpl/images/0216/7950/1e986.png)
Hence, there are 12 multiple choice questions.