Answer:
405
Step-by-step explanation:
324 seniors is 4/5 of all seniors. To find how many 5/5 of the seniors is, we find 1/5 and multiply it by 5. Since 4/5 is 4 times 1/5, divide 324 by 4. The answer is 81, which is 1/5 of the seniors. Multiply 81 by 5 to get all 5/5. 81 * 5 is 405
The radius of cone is 3 inches.
Step-by-step explanation:
Given,
Volume of cone = 12π cubic inches
Height of cone = 4 inches
Let,
r be the radius of cone.
Volume of cone = 

Multiplying both sides by 3

Dividing both sides by 4π

Taking square root on both sides

The radius of cone is 3 inches.
Keywords: volume, radius
Learn more about volume at:
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Answer:
Step-by-step explanation:
length = l ;width = w
Perimeter of rectangle = sum of all sides
= l + w + l +w
= 2l + 2w
= 2*(l +w )
Answer:
24cm
12x2=24
Step-by-step explanation:
multiplied