3 years ago

Find an equation of the line with the given y-intercept and slope m.

Mathematics

1 answer:

Alenkasestr [34]3 years ago

5 0

Answer:

y=4.2x-3.7

Step-by-step explanation:

Slope-intercept form is y=mx+b, so just plug in the numbers to where they go in the formula.

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Answer:

r+p=-8

Step-by-step explanation:

5-p=r-3

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Answer:

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3 years ago

A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 15

dexar [7]

Answer:

Width of rectangular piece = x = 8 inches

Step-by-step explanation:

Perimeter of rectangular piece = 62 inches

Let width of rectangular piece= x

and length of rectangular piece = x+15

We need to find width i.e value of x

The formula used for perimeter of rectangle is: $Perimeter=2(Length+Width)\\$

Putting values in formula and finding Width:

$Perimeter=2(Length+Width)\\\\62=2(x+x+15)\\62=2(2x+15)\\62=4x+30\\62-30=4x\\4x=32\\x=\frac{32}{4}\\x=8$

After solving we get value of x = 8

So, Width of rectangular piece = x = 8 inches

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