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Veseljchak [2.6K]
2 years ago
15

Sectors of circle. east points, this is due tomorrow help is appreciated

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
5 0

By knowing the circumference of the base of the cone, we see that the radius is 4 centimeters.

<h3>How to find the radius of the cone?</h3>

Notice that in the first figure, the length of the arc AB is L = 8π cm.

Then, that arc will be the bottom part of the cone. Then we can see that the circumference of the base of the cone will be equal to the length of the arc.

And remember that for a circle of radius R (like the base of the cone), the circumference is:

C = 2πR.

Then we will get:

8π cm = C =  2πR

( 8π cm)/ 2π = R

4cm = R

The radius of the cone is 4cm.

If you want to learn more about circles:

brainly.com/question/1559324

#SPJ1

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What whole number best approximates the value of x?
ivanzaharov [21]

The answer is 87

For this problem, the method I used was more of a guess and check because I simply plugged the options into a calculator to see which one would be closest a little bit past 9.3 but not all the way 9.4

the square root of 87 is 9.32 so you would round down while the square root of 88 is 9.38 which would round up

Hope this helps :)

4 0
3 years ago
Solve the following system of equations using the elimination method. 5x + y = 9 –10x + 7y = 18 Question 6 options: A) (2,–6) B)
Leya [2.2K]

Answer:

Step-by-step explanation:

5x + y = 9

-10x + 7y = 18

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answer is D

4 0
3 years ago
I REALLY NEED THIS SOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOPER BADLY
VLD [36.1K]

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8.4 * 10^6

Step-by-step explanation:

8.4 * 10^6

1 million = 1 * 10^6

8 million 4 hundred thousand is 8.4 * 10^4 because this number is 8.4 times bigger than a million.

6 0
3 years ago
What is DE? Put the answer below.<br><br> DE =
Aleks04 [339]

Answer:

55

Step-by-step explanation:

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8 0
2 years ago
Read 2 more answers
How many 1/100 are in 3/10
RUDIKE [14]
<span>How many 1/100 are in 3/10

multiply by 10 for both numerator and denominator 
3/10 = 30/100

Ans: 30

So that there are 30 1/100 in 3/10</span>
6 0
4 years ago
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