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Elanso [62]
3 years ago
11

What is the difference bettween 9 ÷3 and 3÷9​

Mathematics
2 answers:
viva [34]3 years ago
8 0

Answer:

9 / 3 = 3

3 / 9 = 1/3

3 is a whole number, while 1/3 is a fraction.

3 - 1/3 = 2 2/3 or 8/3

Anna [14]3 years ago
4 0
The only difference is that 9/3 is equivalent to 3 and 3/9 is equivalent to 0.33333333 because 3/9 is a decimal
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What is the area of this parallelogram?
Lelechka [254]
A = base * height
A = 4.9 * 3.5
A = 17.15 if my mental math is correct. You might want to double check that though
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klio [65]

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Step-by-step explanation:

4 0
2 years ago
Divide 6⁄13 by 6⁄12 . <br><br> A. 1⁄12<br> B. 9⁄16<br> C. 12⁄13<br> D. 13⁄12
nadezda [96]

6/13÷6/12=12/13 so C.

Hope this helps!

5 0
3 years ago
Read 2 more answers
Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). If GRE scores are normally distributed and have m
valina [46]

Answer:

Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population \mu=600

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

\mu=600 represent the population mean for the Graduate Record Exam (GRE)

\sigma=25 represent the population standard deviation for Graduate Record Exam (GRE)

2) Solution to the problem

Let X the random variable that represent the Graduate Record Exam (GRE) of a population, and for this case we know the distribution for X is given by:

X \sim N(600,25)  

Where \mu=600 and \sigma=25

We want to find the z score for a score of 550. And in order to do this we need to apply the formula for the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

z=\frac{550-600}{25}=-2

So the answer for our case would be Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population \mu=600

7 0
3 years ago
Find the value of X<br><img src="https://tex.z-dn.net/?f=2x%20%3D%20%20%5Cfrac%7B74%7D%7B2%7D%20%20%20-%2037" id="TexFormula1" t
zubka84 [21]

The value of  x from the expression is 2

<h3>Expression and equation </h3>

Given the expression

2x = 74/2 - 37


We are to calculate the value of  x from the expression

2x = 37 - 37

Since 37 - 37 = 0

2x = 0

Divide both sides by 2:

2x/2 = 0/2

x = 0

Hence the value of  x from the expression is 2

Learn more on expression here: brainly.com/question/22048677

4 0
2 years ago
Read 2 more answers
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