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mina [271]
3 years ago
15

The subset of the real number for 13

Mathematics
1 answer:
vichka [17]3 years ago
4 0
Belongs to a set of neutral numbers
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6. It takes Ms. Rogan 13.7 minutes to run 1 mile. How long does it take her to run 3.1 miles (a 5k!). *
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Answer

42.47

Step-by-step explanation:

4 0
2 years ago
Combine the like terms to make a simpler expression: 5n+6+(-7n)<br> plz hurry
azamat
-2n + 6 is the answer to this question
4 0
3 years ago
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One fourth of a box of cereal was shared equally among 3 people. How much cereal did each person get?
just olya [345]
Okay so the problem starts you off with the fraction (1/4). Sharing equally among 3 people would mean that you'd want to divide it by three so your equation would initially look like (1/4) / 3. Having two dividing signs is confusing so what you do is change the dividing into multiplying by the reciprocal of 3 = 1/3... This would make your expression (1/4) * (1/3) and when you simplify this you should get 1/12 as the answer.   
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3 years ago
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A recent survey of 8,000 high school students found that the mean price of a prom dress was $195.00 with a standard deviation of
KiRa [710]

To calculate the z-statistic, we must first calculate the standard error.

Standard error is standard deviation divided by the square root of the population. In this case, it is equal to 2.68.

The z-score is defined the distance from the sample to the population mean in units of standard error.

z = (195 – 208)/2.68 = -4.86

5 0
3 years ago
Let u=&lt;-5,1&gt;, v=&lt;7,-4&gt; find 9u-6v
katrin2010 [14]
9u -6v = 9&lt;-5, 1> -6&lt;7, -4>
.. = &lt;9*-5 -6*7, 9*1 -6*-4>
.. = &lt;-87, 33>
8 0
3 years ago
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