Answer:
multiply either sides by 3:
divide either sides by πr² :
In the left hand side, you're multiplying 7.8 by
In the right hand side, you're multiplying again 7.8 by a mysterious number.
So, the unknown number must be
Every number remains unchanged when multiplied by 1, so the answer is 3.6
16% porque all you have to do is multiply 40 by 4% 0.04
2x3=6
3x2=6
6 divided by 2=3
6 divided by 3=2
Answer:
D
Step-by-step explanation:
The volume (V) of the prism is calculated as
V = lbh ( l is length, b breadth and h is height )
Here l = 7, b = 2 and h = 4 , thus
V = 7 × 2 × 4 = 56 in² → D