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slega [8]
3 years ago
15

Using n = 3.14, find the area of a circle with a radius of 16.

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
8 0

Answer:

803.84=A

Step-by-step explanation:

The area of a circle can be found by using the equation \pi r^{2}=A.

\pi r^{2}=A

(3.14)(16^{2})=A

(3.14)(256)=A

803.84=A  and the units are, how ever the radius is measured cubed

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Set D is the set of positive two-digit even numbers less than 25 that do not contain the digit 0.
gavmur [86]

The required set of positive two-digit even numbers less than 25 that do not contain the digit 0 is 12,14,16,18,22,24.

<h3>What is integer?</h3>

An integer is a whole number (not a fractional number) that can be positive, negative, or zero. Zero is not a fraction or decimal of any number. It is neither positive nor negative.

Given:

Set D is the set of positive two-digit even numbers less than 25 that do not contain the digit 0.

According to given question we have

2-digit numbers are the numbers that have two digits and they start from the number 10 and end on the number 99.

Starting at 12 going up the two digit numbers even numbers less than 25 that do not contain the digit 0.

12,14,16,18,22,24

Therefore, the required set of positive two-digit even numbers less than 25 that do not contain the digit 0 is 12,14,16,18,22,24.

Learn more details about integer here:

brainly.com/question/15276410

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4 0
1 year ago
The ratio of the number of boys to the number of girls inn math club is 4 to 3 there are 36 girls in math club how many boys are
Kay [80]

Answer:

48 boys

Step-by-step explanation:

Since the ratio of Boys to Girls is 4/3, set this equal to X number of boys/36. Cross multiply so 36*4=144, and 3*x= 3x. So now you have 144=3x, divide by 3 to get x=48 boys.

4 0
3 years ago
Read 2 more answers
What is the coefficient of b in the expression b² - 5b +18
zzz [600]

Answer: -5

Step-by-step explanation:

A coefficient is a number that a variable is multiplied by.

<em>Hope it helps <3</em>

6 0
2 years ago
Read 2 more answers
Determine the domain of the following relation:
Serjik [45]
1,2,9,4,12
hope this helps
8 0
2 years ago
Solve the equations by elimination.<br> -7x-8y=9<br> -4x+9y=-22
Sergeeva-Olga [200]

Solve for x in -7x - 8y = 9

x = -9 + 8y/7

Substitute x = -9 + 8y/7 into -4x + 9y = -22

4(9 + 8y)/7 + 9y = -22

Solve for y in 4(9 + 8y)/7 + 9y = -22

y = -2

Substitute y = -2 into x = -9 + 8y/7

x = 1

Thus,

<u>x = 1</u>

<u>y = -2</u>

4 0
3 years ago
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