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lana [24]
3 years ago
11

Find the volume of the cylinder. Use 3.14 for

Mathematics
1 answer:
dexar [7]3 years ago
4 0

Answer:

volume = 16956 meters

Step-by-step explanation:

volume = area * height

= pi * r^2 * height

= 3.14 * (30m/2)^2 * 27

volume = 16956 meters

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Urgent please ans this​
Rama09 [41]

Answer:

x=6

Step-by-step explanation:

Remember, the formula for area is the length times the width. So, if we know the width is 3, and we know the total area is 24, all we need to do is divide 24 by 3 to get 8. 8 is the split up side, the one that is x + 2. To find x, simply subtract 2 from 8. 8 - 2=6.

24/3=8

8-2=6

3 0
3 years ago
A 13 L solution that was 12% vinegar was mixed with a 9 L solution that was 70% vinegar. What is the concentration of the new mi
erastovalidia [21]

Answer:

The concentration is simply 36%

Step-by-step explanation:

In this question, we are concerned with calculating the concentration of a new mixture formed from mixing some liters of each of two vinegar variants of different concentrations.

We proceed as follows;

The concentration of the new solution will contain 12% of 13L vinegar A and 70% of 9L vinegar B

13L of vinegar A will contain 13 * 12% = 13 * 0.12 = 1.56

9L of 70% vinegar B will contain 9 * 70% = 9 * 0.7 = 6.3

Now, the new mixture has a total volume of 13 + 9 = 22L

The concentration of the new mixture will thus be;

(1.56 + 6.3)/22

= 0.357 and that’s approximately 0.36 or simply 36%

6 0
3 years ago
A rectangular play area is 8 yards long. The expression 56+8x represents the area of the play area in square yards. What express
VikaD [51]

Answer:

w = 7 + x

Step-by-step explanation:

The formula for the area of a rectangle is

A = lw

56 + 8x = 8w

Divide both sides by 8

w = 7 + x

4 0
3 years ago
What is a rational number? A.9 B.15 C.28 D.25
Darina [25.2K]
The answer is..........
A. 9
4 0
3 years ago
Read 2 more answers
Dylan is saving for a new computer and has saved $213. He is saving a $3 a day and needs no more than $654 for the computer he w
shutvik [7]

Answer:

147

Step-by-step explanation:

654 = 213 + 3x

-213    -213

441 = 3x

/3       /3

147 = x

4 0
3 years ago
Read 2 more answers
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