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prisoha [69]
4 years ago
6

In class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probab

ility of randomly choosing a student who is taking only math?
Mathematics
1 answer:
Sphinxa [80]4 years ago
5 0
Hi!

All of the students that are ONLY taking math is 90.

That is 90/160 kids taking only math.

90/160 simplified = 9/16

The answer is 9/16

Hope this helps! :)
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Marcus is 5 19/24 feet tall. Ben is 5 9/16 feet tall. Which of the two boys is taller?
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well, Marcus and Ben are both 5 feet tall and a little bit more, Marcus is 19/24 more and Ben is 9/16 more, so the 5's in the fraction are the same, so which one is larger, 19/24 or 9/16?

we can simply put both fractions with the same denominator, by <u>multiplying one by the other's denominator</u>, so let's proceed,

\bf \stackrel{\textit{\large Marcus is taller}}{5~feet + \left( \cfrac{19}{24}\cdot \cfrac{16}{16}\implies \boxed{\cfrac{304}{384}} \right)}\qquad \qquad \qquad \stackrel{\textit{\large Ben}}{5~feet + \left( \cfrac{9}{16}\cdot \cfrac{24}{24}\implies \boxed{\cfrac{216}{384}} \right)}

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Roman55 [17]

Answer:

<u>The first option is </u>

  • A(x) = 10000(1.05)ˣ

<u>The second option is:</u>

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<u>The equation for this option is:</u>

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Now, which option is better?

It depends on the number of x. It is assumed the genie is offering money or similar reward.

For the values of x below 50 option A is better and option B is much better for x > 50.

See the graph in the attachment, where green line represents the option A and red line is option B.

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