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Rus_ich [418]
3 years ago
15

How many ways are there to distribute n distinct balls into r boxes (a box can contain any number of balls, ranging from zero (n

one) all the way to all n balls)?
Mathematics
1 answer:
Nezavi [6.7K]3 years ago
5 0
<span>How many ways are there to distribute n distinct balls into r boxes (a box can contain any number of balls, ranging from zero (none) all the way to all n balls.</span>
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I can't figure this out I need help. please help
Tanya [424]
So to find the area you should draw a line to make a right triangle then take the area of the 3 figures and add them together. See the picture.

7 0
3 years ago
When solving the following system by elimination, which variable would be eliminated after adding the 2 equations together?
drek231 [11]

Answer:

B. x

Step-by-step explanation:

-3x+8y=-6

3x-2y=-12

if we add these

-3x+3x+8y-2y=-6-12

6y=-12      so x will be eliminated

8 0
3 years ago
I really need help on this!
Arisa [49]
(-6/5, -8/5), you substitute 3x+2 for the y in the first equation. So the first equation will read 2x+3x+2, then you solve and get x= -6/5. Then you have to solve for y, so you put your x value (-6/5) in the second equation for x. it should read y= 3(-6/5)+2, the answer to that is y= -8/5. After that you just put them in order (x,y) and there's your answer. 
6 0
3 years ago
What is 20/16=d/12? what equals d?
ozzi

Answer:

  d = 15

Step-by-step explanation:

Divide the numbers

\frac{20}{16} =\frac{d}{12}

\frac{5}{4} =\frac{d}{12}

Multiply all terms by the same value to eliminate fraction denominators

12*\frac{5}{4} =12*\frac{d}{12}

Cancel multiplied terms that are in the denominator

12*\frac{5}{4} =d

Multiply the numbers

15=d

Move the variable to the left

d=15

Hence, d= 15.

[RevyBreeze]

8 0
2 years ago
Read 2 more answers
If both figures have the same perimeter, what is the perimeter of each figure? ​
Cloud [144]
The perimeter of each figure is 58
4 0
2 years ago
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