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Tanya [424]
3 years ago
13

18. A recent article claimed that women are waiting longer to have their first

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:E

Step-by-step explanation:

The margin of error of 1.5 years indicates that we are confident the population mean age is captured i. The interval 26-1.5=24.5 to 26+1.5=27.5 years old. Therefore, it is plausible that the average age of first time mothers is 27 years old.

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Which number is irrational
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For this case, we have by definition, that an irrational number is a number that can not be expressed as a fraction \frac {a} {b}, where a and b are integers and b is nonzero.

Some examples are:

\sqrt {2}, \sqrt {3}, e, \pi.

So, that the answer is \pi.

Answer:

Option C

4 0
3 years ago
A golf retailer purchases its clubs from a wholesaler at $43 per club. It sells the same clubs to golfers at $70 per club. What
Georgia [21]

Answer:

62.79%

Step-by-step explanation:

70-43 = 27

X/100 = 27/43

(27 * 100)/43

= 62.79%

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3 years ago
The number 312 lies between the perfect cubes
dusya [7]

Answer:

The number 312 lies between the perfect cubes 216 and 343.

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This means that the cube root of 312 is an irrational number because it is not a perfect cube root.

Step-by-step explanation:

3 0
2 years ago
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Firlakuza [10]

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(7 + 4)/2 = 5.5

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