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2 years ago

What is the interquartile range (IQR) of the data set represented by this box

Mathematics

1 answer:

larisa [96]2 years ago

8 0

Answer:

36 :)

Step-by-step explanation:

First put the numbers in order from least to greatest.

0, 10, 20, 30, 32, 40, 42, 50, 56, 59, 60.

The median is 40 (middle)

Find the median of the two quartiles. 56 and 20.

Now subtract them. your answer is 36.

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What value of R makes r/ -11 = (-3) true

marissa [1.9K]

Answer:

The value of $r=33$ which makes the equation true.

Step-by-step explanation:

Given the equation

$\frac{r}{-11}=-3$

We have to find the value of r for which the equation must be true.

solving the equation

$\frac{r}{-11}=-3$

Multiply both sides by -11

$\frac{r\left(-11\right)}{-11}=\left(-3\right)\left(-11\right)$

$r=33$

Therefore, the value of $r=33$ which makes the equation true.

<u>VERIFICATION:</u>

Putting $r=33$ in the equation

$\frac{r}{-11}=-3$

$\frac{33}{-11}=-3$

$-3=-3$ ∵ $\frac{33}{-11}=-3$

L.H.S = R.H.S

Therefore, the value of $r=33$ which makes the equation true.

7 0

3 years ago

WRITE A EQUATION ''THE QUOTIENT OF A NUMBER AND 20.7 is 9

zhannawk [14.2K]

Answer:

186.3

To find the answer you have to do inverse operations

9×20.7=186.3

186.3÷20.7=9

3 0

3 years ago

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Can someone pls pls pls pls pls pls answer these question

Lisa [10]

Answer:

Decay

Step-by-step explanation:

6 0

3 years ago

Sally works 40 hours a week and makes $20 an hour, but her kids are in child care each day and the day care center charges her $

Maslowich

Answer:

$11.25

Step-by-step explanation:

Multiply the number of hours she works by how much she gets paid per hour.

800

Multiply 50 times 7 (50 being the amount charged for her kid and 7 being the days of the week)

350

Subtract the 350 from the 800

450

Divide the 450 by the number of hours worked per week

450/40

Answer: 11.25

So Sally actually makes 11.25 per hour.

5 0

3 years ago

There are 30 students in a class. Five of them are randomly selected to form the dance committee. How many different committees

ziro4ka [17]

Answer: 6

Step-by-step explanation:

7 0

2 years ago

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