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sweet-ann [11.9K]
2 years ago
15

Factor the expression. 15n−18

Mathematics
2 answers:
boyakko [2]2 years ago
8 0
Factor <span>15n−18
</span><span>15n−18
</span><span>=<span>3<span>(5n−6<span>)

</span></span></span></span>3<span>(5n−6<span>)

5n-18 factored is </span></span>3<span>(5n−6<span>)</span></span>
seraphim [82]2 years ago
6 0

For this case we have the following expression:

15n-18

We look for the factors of each coefficient.

We have then:

15 = 1,3,5,15\\18 = 1,2,3,6,9,18

Taking the biggest common factor we have:

15n-18 = 3 (5n-6)

Therefore, the factored expression is given by:

3 (5n-6)

Answer:

the factored expression is given by:

3 (5n-6)

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The operating costs for each machine for one day have an unknown distribution with mean 1610 and standard deviation 136 dollars.
BabaBlast [244]

Answer:

20.27

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a random variable X, with mean \mu and standard deviation \sigma, the sample means with size n of at least 30 can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}

Using the Central Limit Theorem for Means, what is the standard deviation for the sample mean distribution?

This is s when \sigma = 136, n = 45. So

s = \frac{136}{\sqrt{45}} = 20.27

So the correct answer is:

20.27

3 0
2 years ago
Which number is not in the solution set up X - 8 &lt; 14
Sergeu [11.5K]

Answer:

x < 22

Step-by-step explanation:

X - 8 < 14

Add x to each side

X - 8+8 < 14+8

x < 22

3 0
3 years ago
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PLEASE HURRY PLEASSEEEE i need help
Arisa [49]

Answer:

5

Step-by-step explanation:

We cannot repeat an x value for the relation to be a function

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5 0
2 years ago
Explain I don’t understand
Serggg [28]
So just divide 100 by 25 which equals 4 then divide 120 by 30 which also equals to 4 and if the rest equal 4 then its proportional (1)
And then same for 2 and 3 just divided the bottom by the top and if they all get the same answer they are proportion and if one is not the same then it’s not

For the grids if the dots are line diagonally straight and it starts at the 0 then it’s proportional if not then it’s not

Hope this helps :)
7 0
3 years ago
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VMariaS [17]

Answer:

It is number Five. Explanation: I know there congruent because if any two sides of triangle are the same then  both triangles are congruent

Step-by-step explanation:

3 0
3 years ago
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