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WARRIOR [948]
3 years ago
11

Which of these expressions shows the number of ways to arrange 3 marbles from a group of 5?

Mathematics
1 answer:
Andru [333]3 years ago
6 0

Answer: could we see the expressions please?

Step-by-step explanation:

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Whats the answer giving brainliest to the c o rect anwers
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Answer:

A

Step-by-step explanation:

9/3 is 3

36-3 is 33

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3 years ago
benjamin finds 31 pine cones at the park. Together Jenna and Ellen find the same number of pinecones as Benjamin. How many pinec
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Solve Step by Step: 

1) Write the Equation: 31/2 = how many pine cones Jenna and Ellen found.
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X-16/x+6 = 3/5 its a proportion
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Answer:

use khan academy

Step-by-step explanation:

3 0
2 years ago
When Samuel commutes to work, the amount of time it takes him to arrive is normally distributed with a mean of 32 minutes and a
k0ka [10]

Answer:

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

And we can find the nnumber of deviations from the mean for each limit given:

z_1 = \frac{17-32}{5} = -3

z_2= \frac{47-32}{5} = 3

So we are 3 deviation from the mean and using the empirical rule we know that within 3 deviations from the mean we have 99.7% of the values

Step-by-step explanation:

Let X the random variable that represent the amount of time it takes him to arrive, and for this case we know the distribution for X is given by:

X \sim N(32,5)  

Where \mu=32 and \sigma=5

We want to find this probability:

P(17

And we can use the z score formula given by:

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

And we can find the nnumber of deviations from the mean for each limit given:

z_1 = \frac{17-32}{5} = -3

z_2= \frac{47-32}{5} = 3

So we are 3 deviation from the mean and using the empirical rule we know that within 3 deviations from the mean we have 99.7% of the values

8 0
3 years ago
Is this a function ? True or false
Drupady [299]
No it’s not a function
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3 years ago
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