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Svetach [21]
2 years ago
8

What is the name for the area between two concentric circles upon which the formula for the volume of a sphere is derived

Mathematics
2 answers:
Andrej [43]2 years ago
6 0

Answer:

C. Annulus

Step-by-step explanation:

mylen [45]2 years ago
5 0
C is your answer my guy
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Rewrite without absolute value for the given conditions:
svlad2 [7]

Answer:

-2

Step-by-step explanation:

7 0
3 years ago
PLS HELP FAST. CORRECT ANSWER WILL BE MARKED BRAINLIEST
Marianna [84]

Answer:

it a or the first one or whatevr u wanna call it jsut #1

Step-by-step explanation:

7 0
2 years ago
Which expression best estimates 6 and three-fourths divided by 1 and two-thirds?
bixtya [17]

Answer: The expression is 7/2.

3 0
2 years ago
The same number of people live on the islands Beautiful Sunrise and Gorgeous
aev [14]

Using the percentage concept, it is found that 75% of the population of Gorgeous Sunset is on Beautiful Sunrise now.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

P = \frac{a}{b} \times 100\%

In this problem, we have that:

  • We consider that the population of both Beautiful Sunrise and Gorgeous Sunset islands is of x.
  • There is a fiesta at Beautiful Sunrise, and a number a of people from Gorgeous Sunset are coming, hence, there will be x + a people at Beautiful Sunrise and x - a people t Gorgeous Sunset.

The percentage of people from Gorgeous Sunset is on Beautiful Sunrise now is:

P = \frac{a}{x} \times 100\%

Now the number of people on Beautiful Sunrise is seven times the number of people on Gorgeous Sunset, hence:

\frac{x + a}{x - a} = 7

We can find a <u>as a function of x</u> to find the percentage:

\frac{x + a}{x - a} = 7

7(x - a) = x + a

7x - 7a = x + a

8a = 6x

a = \frac{3x}{4}

Then, the percentage is:

P = \frac{a}{x} \times 100\%

P = \frac{\frac{3x}{4}}{x} \times 100\%

P = \frac{3}{4} \times 100\%

P = 75\%

75% of the population of Gorgeous Sunset is on Beautiful Sunrise now.

You can learn more about the percentage concept at brainly.com/question/10491646

7 0
2 years ago
Simplify 16a divided by 4ab
zimovet [89]

Answer:

4b^-1

Step-by-step explanation:

16a/4 = 4a

4a/a = 4

4/b = 4b^-1

5 0
3 years ago
Read 2 more answers
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