Step-by-step explanation:
the problem description is incomplete or wrongly copied.
we don't know the thickness of the boards, and we cannot understand what we need to calculate, and what the answer options are.
Answer:
If a=0.6 and b=0.75, then a·b=9/20 and a/b=4/5
Step-by-step explanation:
plug a=2 and b=4 in the expression
5(2)+7(4)
simplify
10+28
solve
=38
Answer:
x = 2.6
Step-by-step explanation:
2x + 5.2 = 0
2x = -5.2
x = -5.2 / 2
x = -2.6
