Answer:
12.55
Step-by-step explanation:
A = C²/4pi (3.14....) = 12.56² ÷ 4 × pi (3.14...) ≈ 12.556363, in this case we only take 12.55
Let's simplify them top to bottom.
6(x + 2) < x - 3
6x + 12 < x - 3
5x + 12 < -3
5x < -15
x < -3
This one checks out.
3 + 4x <= 2(1 + 2x)
4x + 3 <= 4x + 2
This is a problem. In no world is 4x + 3 ever less than or equal to 4x + 2. This one has no solution.
If you want to calculate 18/4.52, you can do this using the following steps:
18/4.52 = 18 / 4 52/100 = 18 / 452/100 = 18 * 100/452 = 1800/452 = 450/113 = 3.98
The correct result is 3.98.
Prime Factors of 80 =2, 2, 2, 2, 5
<span>Which is the same as = 24 x 5Prime Factors Tree of 80
80
/ \
2 40
/ \
2 20
/ \
2 10
/ \
2 5
/ \
5 1
Hope this helps :)</span>