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elena55 [62]
3 years ago
14

Is 84/45 a irrational repeating decimal or just a irrational one

Mathematics
1 answer:
Vikki [24]3 years ago
3 0
A rational number is a number that can be expressed as the ratio of two integers. It's general form is \frac{a}{b} where a and b are integers and b does not equal 0.

Since \frac{84}{45} is a ratio of two integers, it is a rational number.
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If the average of 3 numbers and 8 is 25 what is the sum of the three numbers
Gennadij [26K]
Let sum of 3 numbers be x.

Average of 3 numbers and 8 = \frac{x + 8}{4}

25 = \frac{x +8}{4}

100 = x +8

x= 92.

The sum of 3 numbers is 92.


3 0
3 years ago
When plotting sample statistics on a control chart, 99.7% of the sample statistic values are expected to fall within plus/minus
Blababa [14]

Answer:

By the Empirical Rule, \pm 3\sigma

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

The symbol of a standard deviation is \sigma. So

When plotting sample statistics on a control chart, 99.7% of the sample statistic values are expected to fall within plus/minus how many sigma?

By the Empirical Rule, \pm 3\sigma

5 0
3 years ago
The Women's Club has sold 180 of the 360 circus tickets they need to sell. What fraction has been sold?
lukranit [14]
180/360

divide 180 top and bottom

180/180 = 1
360/180 = 2

1/2 sold is your answer

hope this helps
6 0
3 years ago
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If m 1 = 140 and m 3 = 50, what is m 5
dolphi86 [110]
The answer is: m5 = -40.
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The value of x in the triangle is 61.9°.
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