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horrorfan [7]
3 years ago
7

Identify the number rational and irrational 291.7

Mathematics
1 answer:
sertanlavr [38]3 years ago
5 0

Answer:

Rational

Step-by-step explanation:

Any number you can write out completely, or that has a repeating decimal fraction, is a rational number. 291.7 is the entire number, so is rational.

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The circumference of a circle is 15π ft. What is the area, in square feet? Express your answer in terms of π.
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Answer:

  • Area of the circle is 56.25π square feet.

Step-by-step explanation:

<u>Given that</u>:

  • The circumference of a circle is 15π ft.

<u>To Find</u>:

  • What is the area, in square feet?

<u>We know that</u>:

  • Circumference of a circle = 2πR
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Where,

  • Radius is denoted as R.

<u>Finding the radius of the circle</u>:

Circumference of a circle = 15π

⟶ 2πR = 15π

⟶ 2πR = 2π × 7.5

Cancelling 2π.

⟶ R = 7.5

∴ Radius of the circle = 7.5 ft.

<u>Finding the area of the circle</u>:

⟶ Area = πR²

⟶ Area = π(7.5)²

⟶ Area = π × 7.5 × 7.5

⟶ Area = π × 56.25

⟶ Area = 56.25π

∴ Area of the circle = 56.25π ft.²

7 0
3 years ago
Paz has $18 in her wallet. This is 3 times the money in her pocket. Write and solve an equation to find out how much money is in
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Scott is playing a game in which he rolls a number cube with faces numbered 1through 6 and spins the spinner shown below one tim
defon

Solution:

The total number of possiblities rolling a number cube with faces numbered 1 to 6 is;

And the total number of possibilities spining the spinner is;

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Answer:

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Step-by-step explanation:

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