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melamori03 [73]
3 years ago
6

Juan and his little brother Miguel ran around a circular track together. Juan ran on the inner track, which has a radius of 30 f

eet. Miguel ran on the outer track which has a radius of 40 feet. How much farther did Miguel run than Juan?
Mathematics
1 answer:
eduard3 years ago
8 0

Answer:

80pi-60pi

Step-by-step explanation:

To find how much Juan ran, we must find the circumference.

pi *30*2=60*pi  (which is how much Juan ran.)

pi*40*2=80*pi (which is how much Miguel ran)

80pi-60pi would be how much farther Miguel ran than Juan.

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Rudiy27

Answer:

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Step-by-step explanation:

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3 years ago
Write three equations whose solution is x=3.5
My name is Ann [436]

Answer:

  • 1. 2x + 23 = 30
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Explanation:

Work backward:

1. 2x + 23 = 30

Start:

  • x = 3.5

Multiply the equation by 2:

  • 2x = 2 (3.5)
  • 2x = 7

Subtract 30 from both sides

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Add 23 and 30 to both sides:

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2. 3x + 19.5 = 30

Start:

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Add 6.5 to both sides:

  • x + 6.5 = 10

Multiply by 3:

  • 3(x + 6.5) = 30

Distributive property:

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3. (10x - 20)/ 5 = 3

Start:

  • x=3.5

Multiply by 10:

  • 10x = 35

Subtract 20:

  • 10x - 20 = 15

Divide by 5:

  • (10x - 20)/ 5 = 15/5

  • (10x - 20) / 5 = 3
3 0
3 years ago
At the beginning of football season, Coach Carnes takes inventory of the team equipment to see what he needs. He counts 24 footb
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Answer:

13

Step-by-step explanation:

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Now to find the number of packages, divide by 4, since there are 4 balls per package:

51/4 = 12 Remainder 3

Since there is a remainder, and the Coach MUST have at least 75, then we need to add a package to include the remainder:

12 + 1 = 13 Packages

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Answer:

B.4/11

Step-by-step explanation:

hope it helps

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