3 years ago

Heather is putting together a square

1 answer:

4 0

Answer:

392 cm

Step-by-step explanation:

Since your trying to find the perimeter of the bulletin board by using the area, you should:

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Zarrin [17]

$\huge\quad\qquad\underline{{\sf Answer}}$

Let's solve ~

$\qquad \sf \dashrightarrow \: - 4 \sqrt{135} + 7 \sqrt{15}$

$\qquad \tt \dashrightarrow \: - 4 \sqrt{5 \times3 \times 3 \times 3} + 7 \sqrt{15}$

$\qquad \tt \dashrightarrow \:( - 4 \times 3) \sqrt{5 \times 3} + 7 \sqrt{15}$

$\qquad \tt \dashrightarrow \: - 12 \sqrt{15 } + 7 \sqrt{15}$

$\qquad \tt \dashrightarrow \: - 5 \sqrt{15}$

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3 years ago

Irina-Kira [14]

The answer is C, as it is the only one that makes sense

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3 years ago

Lelu [443]

I think there are 3 terms. since this is an expression the meaning of "terms" is asking what's being added or subtracted.

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3 years ago

aleksklad [387]

$15,500 + 0.025 * 8 = $3,100

answer is C. $3,100.00

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4 years ago

Lilit [14]

4 inches because 4 cubed is 64.

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3 years ago