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natulia [17]
3 years ago
5

Can the sum of two mixed numbers be equal to 2? ​

Mathematics
2 answers:
Katarina [22]3 years ago
6 0

Answer:

no

Step-by-step explanation:

Sholpan [36]3 years ago
4 0
No it depends on the sum of the two numbers
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Help lolz nsjsdh fgd fnf​
Makovka662 [10]

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8 0
3 years ago
How do I solve this?
Oliga [24]
×=4 since you divide 3 and 12 by 3
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Your answer is -3
4 0
3 years ago
Suppose that a random sample of 10 adults has a mean score of 62 on a standardized personality test, with a standard deviation o
aniked [119]

Answer:

The 90% confidence interval for the mean score of all takers of this test is between 59.92 and 64.08. The lower end is 59.92, and the upper end is 64.08.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.9}{2} = 0.05

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.05 = 0.95, so z = 1.645

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.645*\frac{4}{\sqrt{10}} = 2.08

The lower end of the interval is the sample mean subtracted by M. So it is 62 - 2.08 = 59.92

The upper end of the interval is the sample mean added to M. So it is 62 + 2.08 = 64.08.

The 90% confidence interval for the mean score of all takers of this test is between 59.92 and 64.08. The lower end is 59.92, and the upper end is 64.08.

5 0
2 years ago
Pencils cost 0.55 each. A pack of pencils cost $11. Which equation can be used to fined p the number of pencils in one pack
Lerok [7]

(0.55 \times p) = 11
p = (11 \div 0.55)
8 0
3 years ago
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