The length of a rectangular deck is 4 times its width. If the deck's perimeter is 30 feet, what is the deck's area? )
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The deck's area is
square feet.

length of a rectangular deck is 4 times its width.

length = 4*width

perimeter = 30 feet = 2 ( length + width )

30 feet = 2( 4w + w)

15 feet = 5 w

w = 3 feet = width

length = 4* 3 = 12 feet

deck's area = 3 feet * 12 feet = 36 square feet

y = 2x

step-by-step explanation:

if you divide each number in the sequence, you'll see that they all have a multiple factor of 2. each number in the series, and any other numbers which may continue, will be multiplied by 2. therefore, y is the next number in the sequence, and x is the current one, so, our formula will be y = 2x.

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step-by-step explanation: