25. The perimeter of a rectangle is equal to twice the sum of its length and its width. One
rectangle has a length of 13 inches and a perimeter of 42 inches. Write an equation that can
be used to find the width, w, of the rectangle.

The equation that can be used to find the width is 2(13 + w) = 42

The width of the rectangle is 8 inches

Step-by-step explanation:

The formula of the perimeter of a rectangle is P = 2(l + w), where l is its length and w is its width

∵ One  rectangle has a length of 13 inches

∴ l = 13 inches

∵ Its perimeter is 42 inches

∴ P = 42 inches

- Substitute the values of l and P in the formula of the perimeter

∵ 42 = 2(13 + w)

The equation that can be used to find the width is 2(13 + w) = 42

To find W divide both sides by 2

∴ 21 = 13 + w

- Subtract 13 from both sides

∴ 8 = w

The width of the rectangle is 8 inches

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.

answer: ay  

fonsi  

dy  

oh

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go

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despacito  

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deja que te diga cosas al oído  

para que te acuerdes si no estás conmigo

despacito  

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y hacer de tu cuerpo todo un manuscrito (sube, sube, sube)

(sube, sube)