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MAXImum [283]
3 years ago
15

What is the sum of the two largest numbers in the list

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
4 0

Answer:

\frac{25}{39}

Step-by-step explanation:

The given numbers are

\frac 13,~\frac 27,~\frac 3{10},~\frac 4{13},~\frac 5{17}

We need to find the sum of the two largest numbers in the list.

The values of each number are

\frac{1}{3}=0.33..

\frac{2}{7}\approx 0.286

\frac{3}{10}=0.3

\frac{4}{13}\approx 0.308

\frac{5}{17}\approx 0.294

Using these we can say that

\frac{2}{7}

It means two largest numbers in the list are \frac{4}{13}\text{ and } \frac{1}{3}.

The sum of these two number is

Sum=\frac{4}{13}+\frac{1}{3}

Sum=\frac{4\cdot 3+1\cdot 13}{39}

Sum=\frac{25}{39}

Therefore, the sum of the two largest numbers in the list is \frac{25}{39}.

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Answer:

c2?

Step-by-step explanation:

3 0
3 years ago
Every day, Luann walks to the bus stop and the amount of time she will have to wait for the bus is between 0 and 12 minutes, wit
Nana76 [90]

Answer:

a. 341.902.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

n instances of a normal variable:

For n instances of a normal variable, the mean is n\mu and the standard deviation is s = \sigma\sqrt{n}

60 days, for each day, mean 6, variance of 12.

So

\mu = 60*6 = 360

s = \sqrt{12}\sqrt{60} = 26.8328

What is the 25th percentile of her total wait time over the course of 60 days?

X when Z has a p-value of 0.25, so X when Z = -0.675.

Z = \frac{X - \mu}{s}

-0.675 = \frac{X - 360}{26.8328}

X - 360 = -0.675*26.8328

X = 341.902

Thus, the correct answer is given by option A.

3 0
3 years ago
I need help with this question!!
amm1812
Sorry what question? I don’t see anything so I can’t help.
5 0
3 years ago
I need help to solve it
Sidana [21]

Answer:

She will earn £9.01 per hour after the pay rise

Step-by-step explanation:

Here, we want to calculate a value, given the percentage of the pay rise

From the question, the percentage is 6%

The pay rise is thus;

8.50 + 6% of 8.50

= 8.50 + (6*8.5)/100

= 8.50 + 0.51

= £9.01

4 0
3 years ago
The student body of 260 students wants to elect 2 representatives
oee [108]
Can u tell me more about it cause I don’t understand
8 0
3 years ago
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