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Ivan
3 years ago
12

You have 6 Scrabble tiles with different letters of the alphabet in a bag. If you select 3 tiles,

Mathematics
1 answer:
Sladkaya [172]3 years ago
4 0
The answer is C. 120

The solution can be derived by the formula 6P3.

6P3 = 6 * 5 * 4 = 120

120 different combinations can be made with the condition.

<span>Thank you for posting your question. I hope you found what you were after. Please feel free to ask me more.</span>


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Write a verbal description for each algebraic expression 100-5n
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Step-by-step explanation:

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f(x)= \left \{ {{x^2-c^2,x \ \textless \  4} \atop {cx+20},x \geq 4} \right&#10;

It's clear that for x not equal to 4 this function is continuous. So the only question is what happens at 4.
<span>A function, f, is continuous at x = 4 if 
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</span><span>In notation we write respectively
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Now the second of these is easy, because for x > 4, f(x) = cx + 20. Hence limit as x --> 4+ (i.e., from above, from the right) of f(x) is just <span>4c + 20.
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c^2+4c+4=0&#10;\\(c+2)^2=0&#10;\\c=-2

That is to say, if c = -2, f(x) is continuous at x = 4. 

Because f is continuous for all over values of x, it now follows that f is continuous for all real nubmers (-\infty, +\infty)

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