Answer:
The slope is 3/4 and on a graph it would be 4 over to the right and 3 down.
Probably the subsitution method
y=1/2x
subsitute that fr y
2x+3(1/2x)=28
2x+3/2x=28
times 2 both sides
4x+3x=56
7x=56
divide by 7 both sides
x=8
sub back
y=1/2x
y=1/2(8)
y=4
(x,y)
(8,4)
I would try Khan Academy. He does very good explainations
Answer:
The answers go in the following order:
25
8
33.6
27
68.4
Answer:
x% of $900=$810
x/100×$900=$810
x=$810/9=90% required percentage is 90%.