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kicyunya [14]
3 years ago
9

Simplifying fractions what is 27 over 81

Mathematics
1 answer:
MrRa [10]3 years ago
8 0

Answer: 1 over 3

Step-by-step explanation:

81 divided by 27 is 3

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Answer the question below about line 1 and line 2 shown below
aleksklad [387]

Step-by-step explanation:

commutative property of multiplication

3 * 5 means 5 + 5 + 5 which equals 15.

5 * 3 means 3 + 3 + 3 + 3 + 3 which equals 15.

6 0
2 years ago
A sphere has a radius of 5 ft.
leva [86]

Answer:

B. 100π

Step-by-step explanation:

The surface area of a sphere is given by

SA = 4 pi r^2

The radius is 5

SA = 4 * pi * r^2

SA = 4 * pi * 25

SA = 100 pi

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2 years ago
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The difference between any two square consecutive number is 20. find the number ?​
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Answer:

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Step-by-step explanation:

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3 0
2 years ago
A city council consists of seven Democrats and five Republicans. If a committee of four people is selected, find the probability
Hoochie [10]

Answer:

The probability  of selecting two Democrats and two Republicans is 0.4242.

Step-by-step explanation:

The information provided is as follows:

  • A city council consists of seven Democrats and five Republicans.
  • A committee of four people is selected.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!\times (n-k)!}

Compute the number of ways to select four people as follows:

{12\choose 4}=\frac{12!}{4!\times (12-4)!}=495

Compute the number of ways to selected two Democrats as follows:

{7\choose 2}=\frac{7!}{2!\times (7-2)!}=21

Compute the number of ways to selected two Republicans as follows:

{5\choose 2}=\frac{5!}{2!\times (5-2)!}=10

Then the probability  of selecting two Democrats and two Republicans as follows:

P(\text{2 Democrats and 2 Republicans})=\frac{21\times 10}{495}=0.4242

Thus, the probability  of selecting two Democrats and two Republicans is 0.4242.

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2 years ago
To enter a local fair, one must pay an entrance fee and pay for the number of ride tickets he/she wants. admission to the fair i
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 the answer is f(x) = .05x + 10
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2 years ago
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