2/5 = x/10
2/5 x 2 = 4/10
x= 4
2/5 = 4/10
Answer:
any picture or anything?
Step-by-step explanation:
-8
f(x) is y, in which x is the independent variable
when x = 5, y = -8
Answer:
I think it is triangular prisim
The total R value is computed from the R-values of the components in the stack as ...
(inches of wood)*(R-value of wood) +(inches of fiberglass)*(R-value of fiberglass) +(inches of foam)*(R-value of foam)
= (4 in)(2 /in) +(2 in)(4 /in) +(3 in)(5 /in)
= 8 +8 +15
= 31
The total R-value of the wall is 31.