Evaluate the expression when b=2 b·5
1 answer:
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Step 1
Find the area of one tile
we know that
the area of a square is
where b is the length side of the square
In this problem
Substitute
Step 2
Find the area of the floor
The area of a rectangle is equal to
where
L is the length of the rectangle
h is the width of the rectangle
In this problem
Substitute
Step 3
Find the number of tiles needed
by proportion
therefore
<u>the answer is</u>
Answer:
y=1/2x-7
Step-by-step explanation:
Trying solving for the slope before doing anything else. The equation to solve for the slope is:
Plug in your x and y values. For our purposes, 2 is x2, -6 is y2, 0 is x1 and -7 is y1. Put these values in and solve.
The slope should come out to be 1/2, and now that we have our slope, we just plug in the values.
Slope intercept form: y=slope(x)+y intercept
y=1/2x-7
That should be the answer.