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allochka39001 [22]
3 years ago
14

How many ways are there to arrange 6 unique CD's in order along a shelf?

Mathematics
1 answer:
kramer3 years ago
6 0

Answer: 720 ways

Step-by-step explanation:

We know that the total number of ways to arrange n things in a row in order is given by Permutations.

i.e. The total number of ways to arrange n things in a row= n!

Therefore, the number of ways to arrange 6 unique CD's in order along a shelf will be :

6!=6\times5\times4\times3\times2\times1=720

Hence, there are 720 ways to arrange 6 unique CD's in order along a shelf.

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Solve the system of equations.<br> y= 3x<br> y= x2-10
svetoff [14.1K]

Answer:

(-5, 2) and (2, 6)

Step-by-step explanation:

Use the substitution method. We know that y = 3x and y = x^2 - 10, so we can set them equal to one another.

3x = x^2 - 10

x^2 - 3x - 10 = 0

Use the quadratic equation to solve for x.

x = - 5, 2

Now solve for y using these two values of x by substituting it back into the equations.

y = - 15,  6

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3 years ago
-4/5, -1/2, 0.25, -0.2 least to greatest
galina1969 [7]

Answer:

<em>-4/5,-1/2,-0.2,0.25</em>

Step-by-step explanation:

To order these, it would be best to convert them into decimals.

-4/5 is equal to -0.8

-1/2 is equal to -0.5

-0.8 is the least, because the further left on a number line, the less the number is.

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Finally, 0.2 is the greatest

<em>-4/5,-1/2,-0.2,0.25</em>

<u>Hope this helps :-)</u>

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3 years ago
1) Abdul uses 2 cups of milk to make a chocolate pudding cake. How many of these cakes
myrzilka [38]

Answer:

Step-by-step explanation:

so there are 16 cups in a gallon

in 3 gallons there are 48 cups

48/2=24

he can make 24 chocolate pudding cakes

6 0
2 years ago
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What type of slope does a horizontal line have​
notka56 [123]

Answer:

It has a slope of 0

Step-by-step explanation:

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Answer:3 pearls per person.

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