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2 years ago

????????????????? I NEED HELP WITH THIS WILL GIVE BRAINLIEST

Mathematics

1 answer:

GuDViN [60]2 years ago

3 0

Answer:

#3 is 40

#4 is 90

Step-by-step explanation:

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A) if x=4 evaluate the perimeter of the blanket. Don’t forget to include the measurement in your final answer.

Tanzania [10]

Formula for perimeter of a rectangle: P = 2W + 2L

Here, P = 2(x-3 ) cm + 2(3x+7) cm = 2x - 6 + 6x + 14 (cm)

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2 years ago

Two ratios that are equvalent to 27:9

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3 years ago

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Solve the problem by entering and solving an equation.

geniusboy [140]

Given : A rectangular picture frame has a perimeter of 52 inches. The height of the frame is 12 inches.

To Find : The width of the frame .

Solution : Let us take the width of the frame be x . So , we know the formula to find the perimeter of rectangle as ;

$\boxed{\red{\bf Perimeter_{rectangle}=2(l+b)}}$

Where , l is the length of the rectangle and b is the breadth of the rectangle .

⇒ Perimeter = 2 ( l + b ) .

⇒ 52 in. = 2 ( 12 + x ) in.

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Hence the width of the rectangle is 14 inches.

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