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prohojiy [21]
3 years ago
9

Young people often find that playing video games, watching TV, and instant messaging friends can be very relaxing, and can help

to alleviate stress in their lives. Apparently, though, it isn't relaxing enough. In a survey of teens at a local high school in Oregon, 42% of them said they need a vacation. Calculate the probability. The probability that a student in this survey says something other than that he or she needs a vacation is
Mathematics
1 answer:
sergeinik [125]3 years ago
3 0

Answer:

The probability that a student in this survey says something other than that he or she needs a vacation is:

= 58%.

Step-by-step explanation:

The probability of the teens at the local high school in Oregon who said that they needed a vacation = 42%,

Therefore, the probability that a student in the same survey says something other than that he or she needs a vacation must be 58% (100% - 42%).

Probability calculates the frequency of the occurrences of an event.

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If n and k are positive integers, is n divisible by 6 ? (1) n = k(k + 1)(k – 1) (2) k – 1 is a multiple of 3.
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Answer: yes, it is

Step-by-step explanation:

A number is divisible by 6 if it is divisible by 2 and 3 simultaniously.

n = k(k+1)(k-1)

If k-1 is a multiple of 3, n is divisible by 3, so one of the requirements is ok.

Now, if k-1 is a multiple of 3, it can be even or odd.

if k-1 is even, then it is divisible by 2 and as it is divisible by 3 as well, n is divisible by 6

if k-1 is odd, then k and k+1 is even, hence, divisible by 2.

As n = k(k+1)(k-1), n is also divisible by 6.

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3 years ago
Two times the quantity of seven less than one fourth of a number is equal to four more than one third of the number what is the
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Answer:

60?

Step-by-step explanation:

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3 years ago
Please help me Asap!! I don't have much time to answer this. Will give brainliest!<br> NO LINKS!!
Advocard [28]

Answer:

  • 3/5

Step-by-step explanation:

<u>Number of those drive to school:</u>

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<u>Number of those don't drive:</u>

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<u>Probability:</u>

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2 years ago
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