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Otrada [13]
3 years ago
8

Beth has dimes and quarters worth $3.70. if there are 19 coins in all, how many quarters does she have

Mathematics
1 answer:
myrzilka [38]3 years ago
4 0
You can set this up as a system of equations.

x + y = 19
10x + 25y = 3.70

Your answer would be 31.42 dimes and -12.42 quarters. 



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Nostrana [21]

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Masteriza [31]

Answer:

  • <em>D. The game is not fair because the probability of Hal drawing a winning letter is less then the probability of Renee drawing a winning letter </em>

Explanation:

The word is not probably, which has 8 letters, but probability, which has 11 letters

<u>1. Hal</u>

Probability of drawing a vowel

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  • Probability of vowel = 5 / 11

<u>2. Renee</u>

Probability of drawing a consonant

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  • Probability of a drawing a consonant: 7 /11

<h2>Conclusion</h2>

As you see, the probability of drawing a vowel (5/11), which is the winning letter for Hal, is less than the probability of drawing a consonant (7/11), which is the winning letter of Renee. Then,

  • The game is not fair because the probability of Hal drawing a winning letter is less then the probability of Renee drawing a winning letter.

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4 years ago
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madreJ [45]

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Allisa [31]
The answer is -10=-15+5x x = 1
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3 years ago
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