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IrinaK [193]
3 years ago
15

a plate has a raduis of 3 inches what is the best approximation for the circumference of the plate ? use 3.14 to approimate pi.​

Mathematics
1 answer:
kozerog [31]3 years ago
8 0

Answer:

Best approximation for the circumference of the plate = 18.84 inches

Step-by-step explanation:

Given in the question,

radius of a plate = 3 inches

π  = 3.14

To find,

circumference of the plate.

As we know that formula to calculate circumference of a circle given radius

<h2>2 π r</h2>

2 (π) (3)

2 (3.14) (3)

18.84 inches

So the circumference or perimeter of area = 18.84 inches

<h2></h2>

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Sally has six more 34 cent stamps than 52 cent stamps. If her stamps amount to 11.50 how many of each stamp does she have?
Yuliya22 [10]

Let x be the number of 52 cent stamps that Sally has and let y be the number of 34 cent stamps that she has.

Then,

52x + 34y = 1150 --- (1)

Also, she has six more 34 cent stamps than 52 cent stamps.

Therefore, y = x + 6

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52x + 34(x + 6) = 1150

52x + 34x + 204 = 1150

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and y = 11 + 6 = 17

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