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LiRa [457]
2 years ago
7

Find the area of the circle. use 22/7 for pie

Mathematics
1 answer:
kherson [118]2 years ago
7 0

Answer:  2464 in²

Step-by-step explanation: The formula for the area of a circle is

A = πr²

The given radius is 28 inches.

Square that 28 × 28 = 784 square inches.

Then multiply by pi.

22/7 × 784 = 2464 square inches.

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inessss [21]

Answer:

Step-by-step explanation:

Noon is 12:00

5am to 12noon is 7 hours

6,000 to 6,500

It grew by 500 in 7 hours

So one hour it is 500/7

In 12 hours that is from 12noon to 12midnight it will be 12×500/7+6500 since at 12noon it was 6500 that will be 6500+857=7357

7 0
3 years ago
Sin^2 a/2 - sin a/2 + 1/4 = 0​
zimovet [89]

Answer:

<u>a = 60° or π/3</u>

Step-by-step explanation:

<u>Given :-</u>

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a

<u>Solving :-</u>

sin² a/2 - sin a/2 + 1/4 = (sin a/2 - 1/2)² = 0

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<u>Solution :-</u>

<u>a = 60° or π/3</u>

3 0
2 years ago
Need Math help ASAP
Ber [7]

Answer:

35 seconds

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Mr Smith bought x number of shirts for the new members of her chorus. The cost for x number of shirts, including $3.99 shipping
fiasKO [112]

We are given that the cost of each shirt = $12.25

It is given that she bought total 'x' shirts, each of cost $12,25.

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Also, there is a shipping charge of $3.99

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netineya [11]

Answer:

C

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