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just olya [345]
3 years ago
14

If the circumference of a circle measures 8 pi cm, what is the area of the circle in terms of pi?

Mathematics
1 answer:
Effectus [21]3 years ago
8 0

Answer:

803.84

Step-by-step explanation:

the formula for the area of a circle is A = π r2 which is pi times the radius squared.n in this case if the circumference is 8 cm then the radius would be half of the circumference which is 4. then you square 4 which is equal to 256. Then take 256 and multiply it by pi. 256 × 3.14 = 803.84. i hope this helped you.

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Please help me i will give brainlist to anyone who answers please help
Lena [83]

Answer:

1. x ≤ 15

2. x +3 < 12

3. x/-2 ≥ 10

4. x - 4 ≥ -6

5. x/13 ≥ 1

6. x - 8 ≤ 5

7. 3 * x > -7

8. x/2 + 5 > 11

9. -6 + x ≤ 15

Hope this helps!

8 0
2 years ago
Help me please<br>i need help
DerKrebs [107]

Answer:

1.300


Step-by-step explanation:


5 0
3 years ago
Mrs. kirby, 58, is a moderately active woman. she works in the garden almost daily, occasionally walks with her friends, and bab
uranmaximum [27]

Answer:

61,01%

Step-by-step explanation:

We must consider that her total energy intake is the addition of the energy given by the carbohydrates, fats and proteins she takes.

1g of carbohydrates contains 4kcal

1g of proteins contains 4kcal

1g of fat contains 9 kcal.

That is: 243 g of carbohidrates is equal to 972 kcal; 41g of fat is equal to 369 kcal and 63 g of proteins is equal to 252 kcal.

If we sum up all the calories she intakes in one day, the result is= 972kcal+369kcal+252kcal=1593kcal.

Now, we make a rule of 3: If 1593kcal is the 100% of the intake, then 972kcal = 972kcal*100%/1593kcal = 61,01%

5 0
3 years ago
4 Choose the correct answer for the expression: 5 x 5 x 5 x 5 A 54 B. 53 C 52 D) 55​
Alchen [17]

Answer:

um I dont think any of those are right it should be 625

Step-by-step explanation:

sorry if those are the only answer choices then I do not know how to help

5 0
3 years ago
Find the solution set. (x+7)(x+7)=0
levacccp [35]

For this case we must find the solution of the following expression:

(x + 7) (x + 7) = 0

If we isolate a term and we equate to zero, we have:

x + 7 = 0

Subtracting 7 on both sides of the equation we have:

x + 7-7 = 0-7\\x = -7

Thus, the solution of the expression is given by:

x = -7

ANswer:

x = -7

7 0
3 years ago
Read 2 more answers
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