Numerical expressions for add 12 to 8 then multiply by 5
1 answer:
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Both equations are lines with a slope of 2. They will be parallel. They differ only in their y-intercept.
It can work well to graph the y-intercept, then plot another point that is at some horizontal distance from the y-axis and twice that distance above the y-intercept.
y = 2x + 3
Plot the point (0, 3) and the point (2, 7). Draw a line through those points.
y = 2x - 2
Plot the point (0, -2) and the point (2, 2). Draw a line through those points.
It can work well to graph the y-intercept, then plot another point that is at some horizontal distance from the y-axis and twice that distance above the y-intercept.
y = 2x + 3
Plot the point (0, 3) and the point (2, 7). Draw a line through those points.
y = 2x - 2
Plot the point (0, -2) and the point (2, 2). Draw a line through those points.
Answer:
The length of the two pieces are 41 in and 24 in
Step-by-step explanation:
Let
x -----> the length of one piece
y ----> the length of the other piece
we know that
-----> equation A
-----> equation B
Solve the system of equations by substitution
Substitute equation B in equation A and solve for y
Find the value of x
therefore
The length of the two pieces are 41 in and 24 in