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I am Lyosha [343]
2 years ago
14

#17: If the area of a rectangle measures 20 square inches, the side lengths must

Mathematics
1 answer:
Karo-lina-s [1.5K]2 years ago
4 0
A counterexample could be 2 inches and 10 inches.
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Find an equation of a line with the x- and y-intercepts below. Use exact fractions when necessary.
tamaranim1 [39]

Answer:

y=\frac{5}{7}x-5

Step-by-step explanation:

All lines in the plane are of the form

y = mx+b

<u><em>The intersection with the Y-axis is obtained by replacing x with 0 </em></u>

<u><em>The intersection with the X-axis is obtained by replacing y with 0 </em></u>

If we want that the Y-intercept = -5, then  

-5 = m(0)+b

So b = -5

Our temporal equation is then

y = mx-5

If we want that the X-intercept = 7, then  

0 = m(7)-5

7m = 5

m = 5/7

So our final equation is

y=\frac{5}{7}x-5

Attached is the graph of the line

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-8x = 2 - 2y

2y - 8x = 2

2y = 8x + 2

y = 4x + 1

Answer B.

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