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3 years ago

Y=1/2(x+8)+3 please show work also write in y=mx+b

Mathematics

1 answer:

Paraphin [41]3 years ago

6 0

Answer:

y = 1/2x + 7

Step-by-step explanation:

y= mx + b is written in slope- intercept form. Plug in the numbers.

you distribute 1/2 to x and to 8

y= 1/2x + 4 + 3

simplify

y= 1/2x + 7

the problem can't be anymore simplified

If you have any questions pls ask!

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a square has a side length of x. A rectangle has a length that is 4 inches longer than the square and a width that is 2 inches s

vodomira [7]

Answer:

Length of the rectangle is = 8 inches.

Step-by-step explanation:

Given :

Area of square = Area of the rectangle

According to the question:

Length of the square be 'x'.

Its area = (Side)*(Side) = $x^2$ ...equation (i)

Length of the rectangle = $(x+4)$

Width of the rectangle = $(x-2)$

Area of the rectangle =Length * Width

⇒ $(x+4)(x-2)=x^2-2x+4x-8$

⇒ $x^2+2x-8$ ...equation (ii)

Equating both the equation as area of both the figure are equal.

⇒ $x^2+2x-8=x^2$

⇒ $2x-8=0$ ...subtracting $x^2$ both sides

⇒ $2x=8$ ...dividing both sides with 2

⇒ $x=\frac{8}{2}=4$ inches

Plugging the value of x=4 in the length of the rectangle.

We have,

⇒ $(x+4)=(4+4)=8$

So the length of the rectangle = 8 inches.

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