MATHEMATICS MIDDLE SCHOOL

How do you find the iqr

Answers

Answer 1

Answer: The interquartile range (IQR) is the difference between the third and first quartiles $Q_3-Q_1$ .

Answer 2

Answer:

Answer:

Find the median: (the middle number in the data set).

Find both the upper and lower quartile.

The subtract the upper quartile to the lower quartile, and you get the final answer of an interquartile range.

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How does the CONSTANT affect a line graph?

Answers

In a simple slope intercept formula: y=mx+b, b is the constant, because b is not affect by another varible. To make this easier to understand, say we have the equation y=2x+9. No matter what x and y are, b or the 9 in this case will never change. You will ALWAYS be adding that nine. Therefore, it is the constant.

Wendy earns $2 for every table she serves plus 20% the total customer order. Define a variable and write an expression to represent the amount of money she earns for one table

Answers

The question asks you to write an algebraic expression to represent the amount of money she earns for one table:

$2(1) + 0.20(c) = m

Explanation:

She earns $2 per table and she's serving one table, so it would be $2(1)
and then she also earns 20% of the total customer order, so it would be
+ 0.20(c), c stands for the customer order

and m would represent the amount of money she earned

the bbookstore has 60 womrns magazines and 20 other magazin. what percentage of the magazines at the bookstore are womans magazines

Answers

Hi,

Equation for this problem;

$((60 + 20) / 100) * 60 \n (80 / 100) * 60 \n 0.8 * 60 = 48$

Answer: 48%

Hope this helps.
r3t40

Write in standard form 12 ten thousands, 8 thousands, 14 hundreds, 7 ones

Answers

129,407
12 ten thousands is 120,000
8 thousand is 8,000
14 hundreds is 1,400
there are no tens
7 ones is 7
so 120,000+8,000+1,400+7=129,407

129,407
hope that helped

PLEASE HELP ILL GIVE YOU BRAINLIEST!!! Which number line represents the number 0.7?

Answers

Answer:

Step-by-step explanation:

We know $0.7$ is in between $0$ and $1$

Thus the dot has to be in between $0$ and $1$

And it should be $7^t^h$ unit after $0$

Observing all the number line , we see C is the absolute match!

What is the theoretical probability of a coin landing tails up?

Answers

Answer:

The probability that a fair coin lands tail up is 1/2, which is equal to 0.5.

Step-by-step explanation:

There are two possible outcomes when a coin is flipped (saving for the case when the coin lands on its side.)

The coin lands head-up;
The coin lands tail-up.

If the coin is fair, the two outcomes should be equally likely. In that case, apply the following formula:

$\begin{aligned}&\text{Probability that the coin lands tail-up}\n =&\frac{\text{Number of outcomes that the coin lands tail-up}}{\text{Total Number of equally-likely possible outcomes}}\n=&(1)/(2) \n=& 0.5 \end{aligned}$ .

Credit for the phrasing of this probability formula goes to the Khan Academy article "Probability: the basics".

Answer: 1:2

Step-by-step explanation:

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