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Slav-nsk [51]
3 years ago
14

Which expression gives the perimeter of the regular octagon shown below?

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
4 0

Answer:

D. 8*x

Step-by-step explanation:

Hello there! A regular octagon has eight sides with the same extension. The perimeter is the addition of each of them. If each side is x units length, then x + x + x + x + x + x + x + x = 8*x is its perimeter.

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A restaurant has 18 tables and 54 chairs. The
luda_lava [24]

Answer:

The ratio is 1:3

Step-by-step explanation:

Let

x -----> the number of tables in the restaurant

y ----> the number of chairs in the restaurant

we know that

To find out the ratio of tables to chairs in the restaurant, divide the number of tables by the number of chairs

we have

x=18\ tables\\ y=54\ chairs

so

The ratio is equal to

\frac{18}{54}

Simplify

Divide by 18 both numerator and denominator

\frac{1}{3}

therefore

The ratio is 1:3

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