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Fittoniya [83]
3 years ago
15

Solve the formula B=(R+M)/2 for R

Mathematics
1 answer:
Leokris [45]3 years ago
5 0

Answer:

2B-M=R

Step-by-step explanation:

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Mrs. epps buys 500 ballons for the hih school prom for $250. what is the cost per bag
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Step-by-step explanation:

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Step-by-step explanation:

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Professor Goodheart has two exams, exam 1 and exam 2. The exam 1 weights 40% and the exam 2 weights 60% of the final grades. Put
garri49 [273]

Answer:

Imperfect substitutes

explanation:

The choices above are not perfect substitutes, meaning they can not be perfectly or directly replace the other. Imperfect substitutes are close substitutes but not perfect substitutes. Unlike perfect substitutes, imperfect substitutes satisfies same utility but has different characteristics and therefore not entirely substitutable. For example, while one may want to have the 40 marks too, he'd rather have 60 marks even if the criteria for a 60 mark score was increasingly hard.

8 0
3 years ago
According to the U.S. National Transportation Safety Board, the number of airline accidents by year from 1983 to 2006 were 23, 1
Lera25 [3.4K]

Answer:

\bar X= 33.79167

s= 12.06497

SE= \frac{s}{\sqrt{n}}= \frac{12.06497}{\sqrt{24}}=2.463

Median= \frac{30+31}{2}= 30.5

Step-by-step explanation:

For this case we have the following data:

23, 16, 21, 24, 34, 30, 28, 24, 26, 18, 23, 23, 36, 37, 49, 50, 51, 56, 46, 41, 54, 30, 40, and 31

We can calculate the sample mean with the following formula:

\bar X = \frac{\sum_{i=1}^n X_i}{n}

And replacing we got:

\bar X= 33.79167

Then we can calculate the standard deviation with this formula:

s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}

And replacing we got:

s= 12.06497

And the sample size for this case is n =24. We can calculate the standard error with this formula:

SE= \frac{s}{\sqrt{n}}= \frac{12.06497}{\sqrt{24}}=2.463

And the median for this case since the sample size is 24 first we need to sort the data on increasing order and we got:

16 18 21 23 23 23 24 24 26 28 30 30 31 34 36 37 40  41 46 49 50 51 54 56

And for this case the median would be the average from the position 12 and 13 and we got:

Median= \frac{30+31}{2}= 30.5

4 0
3 years ago
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