Answer:
Step-by-step explanation:
First we need to rewrite 3x-5y=8 in slope-intercept form.
The slope of this line is
The line perpendicular to this line will have a slope that is the negative reciprocal of 3/5, which is
This line passes through (3,7).
The equation is given by:
We substitute the point and slope to get:
We multiply through by 3 to get:
Expand to obtain:
Answer:
55
Step-by-step explanation:
substitute 2 into j
so do 18 x 2= 36
36+19=55
j=55
For this case we have that the inverse variation is defined as:
Where:
k: It is the constant of proportionality
According to the statement we have:
We find the constant of proportionality:
Then we find the value of x when 
:
Answer:
-3x+2y=56
-5x-2y=24
so first we want to get rid of one variable, in this example we dont need to multiply because the y's cancel out
so we have
-8x=80
x=-10
now plug in x into an original equation
-3(-10)+2y=56
2y=26
y=13
hope that helps
Answer:
-32
Step-by-step explanation:
