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zheka24 [161]
3 years ago
11

Find the area of a circle with a diameter of 16.Answer as a decimal

Mathematics
1 answer:
Vlad1618 [11]3 years ago
6 0

Answer:

201.06

Step-by-step explanation:

This is because the formula of the area of a circle is A=(pi)(r) squared

Since the radius if half of the diameter, the radius would then be 8.

8 squared, or 8 x 8 = 64.

64 times pi (64 x 3.14159)= 201.06

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Jesse and Amir were assigned the same book to read. Jesse started reading on Saturday, and he is reading 30 pages a day. Amir di
bezimeni [28]

1. An equation representing the number of days Amir has been reading and the number of pages he has read is <u>y = 35x</u>.

2. An equation representing the number of days Jesse has been reading and the number of pages she has read is <u>y = 30 + 30x</u>.

3. The system of equations from 1 and 2 is y = 35x and y = 30 + 30x.

4. At the end of Friday, after solving the equations, both Jesse and Amir read <u>210 pages each</u>, with Jesse spending <u>7 days</u> and Amir <u>6 days</u>.

5. For Jesse and Amir, the equation solutions are <u>y is 210</u> pages and <u>x is 6 days</u>.

6. After solving the equations, it will take Amir <u>6 days</u> to catch up with Jesse and each person must have read <u>210 pages</u> or a total of <u>420 pages</u>.

<h3>What is a system of equations?</h3>

A system of equations involves using more than one equation solved simultaneously.

Jesse's reading rate per day = 30 pages

Amir's reading rate per day = 35 pages

The number of pages read by Jesse, y = 30 + 30x

The number of pages read by Amir, y = 35x

Where x = the number of days they have been reading

<h3>Solving the equations:</h3>

y = 30 + 30x and y = 35x

35x  = 30 + 30x

35x - 30x = 30

5x = 30

x = 6 (30/5)

<h3>Jesse:</h3>

y = 30 + 30x

y = 30 + 30(6)

y = 210

<h3>Amir:</h3>

y = 35x

y = 35(6)

y = 210

Learn more about simultaneous equations at brainly.com/question/16763389

#SPJ1

5 0
1 year ago
If x represents a given number the expression 5 less than twice the given number " is written as
inn [45]
Hello! I believe the answer is

2x-5

Good luck on your assignment and I hope this helps!<span />
4 0
3 years ago
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sammy [17]
<span>0.00000003937 = 3,937 * 10^-8</span>
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3 years ago
An author is having a book signing at a store. He agrees to give 5% of his profit to literacy programs and 15% of his profit to
nekit [7.7K]
You have to add 15% + 5 = 20%

2nd 20% of $200 is $40 that he gave away

Last you subtract $200 - $40 = $160
 
Answer= Total profit he/she takes home is $160
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3 years ago
mr.wallace surveyed 75 students at poole middle school to find out the students favorite place to eat lunch.
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Answer: Mr. Wallace got close to them to find out there favorite place to eat lunch.

Step-by-step explanation:

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