Given:
The product of
and
greater than 5.
To find:
By how much the product of
and
greater than 5.
Solution:
First we need to find the product of
and
.




Now subtract 5 from the product.

Therefore, the product of
and
is 9.85 greater than 5.
A) 4(25-3y)+5y=9
100-7y=9
91=7y
y=13
(-14,13)
b) 14-x=x-10
2x=24
x=12
(12,14)
c) 4x=12
(3,7)
d) 18.5x+10.4y=200
x+y=130
Answer:
ok I would give answer that is 85.5mi^2
Please help solve 12-14
( will give brianlst :))