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3 years ago

Solve for the perimeter and keep it in pi

Mathematics

1 answer:

galben [10]3 years ago

4 0

Answer:

24+6pi

Step-by-step explanation:

the sides on the left and right added up are

12+12=24.

the formula for perimeter of a circle is 2πr.

3 is the radius, making the equation

2π3 which is 6 pi.

for the top semicircle, the perimeter would be 6 pi divided by 2 because its a semicircle.

the bottom cut out half would also be 3 pi.

in total, we would have 24+3pi+3pi which would lead you to 24+6pi.

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weqwewe [10]

Answer:

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Step-by-step explanation:

Given

[Correct Question]

$x^2 - 2y = 1$

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Required

Solve using elimination

First, we eliminate x.

Subtract equation (1) from (2)

$x^2 - x^2 + 5y - (-2y) = 29 - 1\\$

$5y - (-2y) = 28$

$5y +2y = 28$

$7y = 28$

Divide through ny 7

$y = 4$

Take $x^2 - 2y = 1$

Make x^2 the subject

$x^2 = 1 + 2y$

Substitute 4 for y

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Take square roots

$x = \sqrt 9$

$x = 3$

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ololo11 [35]

Try this solution:

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3 years ago

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4vir4ik [10]

Answer:

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(12) - (23 +131) =

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Finally subtract,

12-154

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