Answer:
This is the whole process I guess
2x-4y=56
-4/-4 56/-4
=2x-y=-14
2/2 -14/2
X-y= -7
Answer:
Laura has $4.50 in dimes and quarters she has 3 more dimes than quarters How many quarters does she have
She has 3 more dimes than quarters. How many quarters does she have? Laura has 15 dimes and 12 quarters.
Step-by-step explanation:
Answer: a = -2 and c = 7
Step-by-step explanation:
(this answer uses some basic calculus)
We know that
, and since
is a maximum of
, then
. That means
, so
. Then since
, we have
, so
.
Step-by-step explanation:
y2-y1/x2-x1
6-(-3)/-5-(-4)
6+3/-5+4
9/-1