3 years ago

Find the median of this set of data 34 36 30 37 40 30 42 a 37 b 35 c 36 d 30

Mathematics

1 answer:

shusha [124]3 years ago

3 0

Answer:

Step-by-step explanation:

The median is the value that separates the higher half from the bottom half of the data sample (middle value).

We have

34, 36, 30, 37, 40, 30, 42

Write from the smallest to the largest number

30, 30, 34, 36, 37, 40, 42

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Suppose you are taking a multiple choice exam with 61 questions, each with 4 possible answers. If you were to guess at random fo

Brut [27]

Answer:

15.25

Step-by-step explanation:

The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.

You can expect to get 1/4 of the questions right.

$\frac{1}{4}\times 61 =15.25$

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3 years ago

What is the answer to solve -2=4r+s for s

sleet_krkn [62]

The answer is s= -(4r+2)

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3 years ago

If someone could work out the first half of the problem and explain that would be great!

andrew-mc [135]

Answer:

x = -5

y = -5

Step-by-step explanation:

If you multiply the top equation by negative 2, you can add it to the bottom equation and cancel out the x:

-2(-x + 5y = -20) --> 2x - 10y = 40

Add this to the bottom equation top to bottom:

2x - 10y = 40

-2x + 4y = -10

You get:

-6y = 30

Then solve for y:

y = -5

Plug this back in for either equation and solve for x:

-x + 5(-5) = -20

-x -25 = -20

-x = 5

x = -5

Your answers are:

x = -5

y = -5

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How many 5-letter passwords can be created if no letter can be used twice within the password?

bonufazy [111]

26*25*24*23*22=7893600

or you can use

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