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3 years ago

How do I solve 3|x+10|=6

Mathematics

1 answer:

lianna [129]3 years ago

5 0

Answer:

x=-8 x=-12

Step-by-step explanation:

Divide 3 to both sides

|x+10|=2

Set x+10 to equal 2 and -2

x+10=2 x+10=-2

solve both equations

x=-8/-12

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Answer:

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Step-by-step explanation:

The complete question is;

Counting: Grading One professor grades homework by randomly choosing 5 out of 12 homework problems to grade.

(a) How many different groups of 5 problems can be chosen from the 12

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In (a)

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substitute values

$=\frac{12!}{(12-5)!(5!)} \\\\\\=\frac{12!}{(7!)(5!)} \\\\\\=\frac{12*11*10*9*8}{5*4*3*2*1} \\\\\\=\frac{95040}{120} \\\\\\=792$

In (b)

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