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The circumference of a circle is 7π m. What is the area of the circle? 3. 5π m² 12. 25π m² 14π m² 49π m².

Juliette [100K]

Area of the circle is the area covered by that circle. The area of the circle whose circumference is 7π m is 12.25π m².

<h3>What is the area of a circle?</h3>

The area of the circle is the area covered by that circle. It is given by the formula,

$\text{Area of the circle}=\pi r^2$

where r is the radius of the circle.

As it is given that the circumference of a circle is 7π m. Therefore, the radius of the circle can be written as,

$\text{Circumference of the circle} = 2\pi r$

$7 \pi = 2 \pi r\\\\r = 3.5\rm\ m$

Now, we know the formula of the area of a circle, therefore, the area of the circle can be written as,

$\text{Area of the circle}=\pi r^2$

$= \pi \times (3.5)^2\\\\= 12.25\pi\rm \ m$

Hence, the area of the circle whose circumference is 7π m is 12.25π m².

Learn more about Area of Circle:

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5 0

3 years ago

Dan has bags of candy with two pieces in each. Bill has bags of candy with five pieces in each. Bill has six more bags than Dan.

Anna35 [415]

<u>Answer:</u>

Bill has bags of candy with five pieces in each. The Bill has 16 bags

<u>Solution:</u>

Given, Dan has bags of candy with two pieces in each.

Bill has bags of candy with five pieces in each.

Bill has six more bags than Dan.

Then, number of bags with bill = 6 + number of bags with dan.

The total number of pieces candy the two boys have 100.

Now, candies with bill + candies with dan = 100

⇒ 5 pieces per bag x number of bags with bill + 2 pieces per bag x number of bags with dan = 100

⇒ 5 x (6 + number of bags with dan) + 2 x number of bags with dan = 100

⇒ 30 + 5 x number of bags with dan + 2 x number of bags with dan = 100

⇒ (5 + 2) x number of bags with dan = 100 – 30

⇒ 7 x number of bags with dan = 70

⇒ Number of bags with dan = 10

So, number of bags with bill = 6 + 10 = 16

Hence, bill has 16 bags.

7 0

4 years ago

Solve for x.<br><br> log x + log 3 = log 18<br><br> Enter your answer in the box.

Makovka662 [10]

log(x) + log(3) = log(18)

log(x) + 0.477121 = 1.255273

Add -0.477121 to both sides.

log(x) + 0.477121 + −0.477121 = 1.255273 + −0.477121

log(x)+0 = 0.778152

Divide both sides by 1.

log(x)+0/1 = 0.778152/1

log(x)=0.778152

Solve Logarithm

log(x) = 0.778152

10log(x) = 100.778152

x = 100.778152

x = 6.00001

3 0

4 years ago

Read 2 more answers

Gi sells televisions. He earns a fixed amount for each television and an additional $25 if the

djyliett [7]

Answer:

$80 per T.V.

Step-by-step explanation:

First you want to multiply 25 by 19, the amount of televisions sold with an extended warranty.

Next you want to subtract that amount from the total earnings, this way you can find out the amount he earned in total from selling 19 televisions without their warranty.

After that divide that number by 19 to find out how much each television was worth each.

4 0

3 years ago

How would adding a score of 0 to this data afect the mean and median game scores

jasenka [17]

Answer:hmm

Step-by-step explanation:

6 0

3 years ago