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NNADVOKAT [17]
3 years ago
15

What would the circumference be of a circle if the radius is 3 units

Mathematics
1 answer:
MAVERICK [17]3 years ago
7 0

If we have a circle with a radius of 3 we need to find the diameter of the circle.  Remember radius is half of the diameter.  So, the diameter is 6 units.

Use the circumference formula: C=3.14D

C=3.14(6)

C=18.84 units

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Answer: $34.50

Step-by-step explanation

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Mrs. porter's cat weighs 6kg. her dog weighs 22kg more than her cat. what is the total weight of her cat and dog?
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Answer:

1. V = 157in³, so the volume of the sugar container is 157in³

2. h = 12in, so the height of the rice container is 12in

3. The rice container's height is 12in and the height of the sugar container is 8in, which means the rice container is taller by 4in. The rice container's volume is 235.5in and the sugar container's volume is 157in, so the rice container's volume is greater than the volume of the sugar container's volume by 78.5in.

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Step-by-step explanation:

1. to find the volume of a cylinder, we use the formula:

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V = 3.14(2.5² × 8)

V = 3.14(6.25 × 8)

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2. To find the height of a cylinder when given the volume and radius, you use the formula:

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4.

V = bh

V = 12.56 × 4

V = 50.24in³

5. The rice container's volume is 235.5in, the sugar container's volume is 157in, and the flour container's volume is 50.24in. This means the container that contains the greatest volume is the rice container and the container that contains the smallest volume is the flour container.

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