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3 years ago

Write the following comparison as a ratio reduced to lowest terms 9 nickels to 3 dimes

Mathematics

1 answer:

ludmilkaskok [199]3 years ago

7 0

Answer:

3 : 2

Step-by-step explanation:

We are asked to calculate as a ratio 9 nickels to 3 dimes reduced to lowest terms.

One nickel means $0.05 and one dime means $0.10.

So, 9 nickels is equal to $(0.05 × 9) = $0.45

And 3 dimes is equal to $(0.10 × 3) = $0.30

Therefore, the ratio will become 0.45 : 0.30 ≡ 3 : 2 (Answer)

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Anna007 [38]

Answer:

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Step-by-step explanation:

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The average score of all pro golfers for a particular course has a mean of 70 and a standard deviation of 3.0 (Think of these as

bija089 [108]

Answer:

0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 70

Standard Deviation, σ = 3

Sample size, n = 36

Let the average score of all pro golfers follow a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

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$\text{Standard error of sampling} = \displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = \frac{1}{2}$

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0.477 is the probability that the average score of the 36 golfers was between 70 and 71.

8 0

3 years ago

Answers options are 6/26 8/18 14/12 14/26 Pls help

prohojiy [21]

Answer:

14/26

Step-by-step explanation:

6+8=14

14+12=26

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3 years ago

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scZoUnD [109]

Answer:

26.28

Step-by-step explanation:

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Then, find the circumference of the circle, BUT make sure you divide it by 2 because it is a semicircle in the figure.

The formula is 2 $\pi$ r, so plug in the radius = 2

So the circumference is 4 $\pi$ , then divide by 2 to get 2

20 + 2 $\pi$ = 26.28

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