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lilavasa [31]
3 years ago
10

The number of lines formed by 4 points, no three of which are collinear, is ____. A.5 B.4 C.6 D.3

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0
Use the formula
n(n-1)/2

which is the total number of connections between n points

So,
4(3)/2   = 6

the answer is option C.

Hope this helps
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Isabella spends $4.87 on paintbrushes and paint. How many of each item does she buy? Explain how you found your answer. Paint br
Lelechka [254]
The complete question in the attached figure

Let 
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y---------------- > number of jar of paint-------------- > $0.99 each

we know that
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</span><span>
using a graph tool

</span>the solution will be a pair of coordinates that are whole numbers -- > see the attached figure
<span>
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the answer is
number of paintbrushes=2
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</span>

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