Answer:
7x+39>=53 and 16x+ 15>31 x>=2 (no solutions exist)
Step-by-step explanation:
Let L, W and P denote length, width and perimeter.
L = (2/3)W - 5
The perimeter, P, is 2W + 2L, and this, in turn, is
2W + 2((2/3)W - 5), or 2W + (4/3)W - 10, or
(2 + 4/3)W - 10, or (10/3)W - 10
Answer:
7
Step-by-step explanation:
form a proportion
12/2=42/x
cross multiply
12x=84
x=7
Answer: -694
Step-by-step explanation:
Let's assume we have to find
with the given functions:
(1)
(2)
If we want to find
we have to substitute the
by
:
(3)
If we want to find
we have to substitute the
by
:
(4)
Finding
:

Finally:
