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Travka [436]
3 years ago
8

Suppose that a high school marching band has 97 members. Of these 97 band members, 31 are seniors, 18 play the trumpet, and 6 ar

e seniors who play the trumpet.What is the probability that a randomly selected band member is a senior given that he or she plays the trumpet? Give your answer as a percentage, rounded to one decimal place.___%What is the probability that a randomly selected band member plays the trumpet given that he or she is a senior?___%
Mathematics
1 answer:
iris [78.8K]3 years ago
6 0

Answer:

Step-by-step explanation:

33.3%

19.4%

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Write a fraction that is lees than 5/6 and has a denominator of 8
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A fraction that is less than 5/6 with a denominator of 8 is 1/8. The easiest way to see this is the decimal value of both fractions. 5/6 is equal to approximately .833 while 1/8 is equal to .125. 
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12. Find three consecutive even integers such that
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Answer:

10, 11, 12

Step-by-step explanation:

Hi there!

Let <em>x</em> be equal to the smallest integer.

Let <em>x</em>+1 and <em>x</em>+2 be equal to the consecutive integers.

We're given that:

⇒ smallest integer + 2 × middle integer = 20 + largest integer

Construct an equation:

(x)+2(x+1)=20+(x+2)

Combine like terms:

(x)+2(x+1)=20+(x+2)\\x+2x+2=20+x+2\\3x+2=22+x\\2x=20\\x=10

Therefore, the smallest integer is 10.

This makes the consecutive integers 11 and 12.

I hope this helps!

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3 years ago
What is the solution set for 5x−5=15, given the replacement set {0, 1, 2, 3, 4}?
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Answer:

x=4

Step-by-step explanation:

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3 years ago
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Can anyone help with this
vesna_86 [32]
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Sean spends 35 minutes revising for his exam. Erica spends 1 hours 15 minutes revising for her exam. Work out the total time, in
Alja [10]

The total time spent in minutes is 110 minutes

<h3>How to determine the total time?</h3>

The given parameters are:

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Total = 60 minutes + 15 minutes + 35 minutes

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Read more about time at:

brainly.com/question/4931057

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