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4 years ago

1.

1 answer:

6 0

1a) 2 lanterns-10 light bulbs
5 lanterns- _ light bulbs

b) The missing term is 25

c) The scale factors are 2:10 and 5:25, 2 to 10 and 5 to 25, 2/10 and 5/25

Work Shown....

2/10=5/x cross multiply

2x=50/2=25

Hope I helped ya...
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3 years ago

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Suppose that S is the set of successful students in a classroom, and that F stands for the set of freshmen students in that clas

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Answer:

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We solve building the Venn's diagram of these sets.

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We have that:

$n(S) = n(s) + n(S \cap F)$

In which n(s) are those who are succeful but not freshmen and $n(S \cap F)$ are those who are succesful and freshmen.

By the same logic, we also have that:

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In which

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So the correct answer is:

b) 24

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3 years ago