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Lunna [17]
2 years ago
12

You earn $8.50 per hour walking dogs and $5.75 per hour mowing lawns. The amount you earn is given by the expression 8.5x + 5.75

y where x is the amount of time (in hours) you walk dogs and y is the amount of time (in hours) you mow lawns. Find the amount you earn if you walks dogs for 6 hours and mow lawns for 10 hours.
Mathematics
1 answer:
choli [55]2 years ago
4 0

Answer:

$108.50

Step-by-step explanation:

The total amount earned would be a function of the time spent walking dogs and mowing lawns

8.5(6) + 5.75(10) = 51 + 57.5 = $108.50

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Using the permutation formula, it is found that there are 600 ways to fill the pitcher and catcher positions.

The order is important, as one player is the pitcher and the other is the catcher, hence the <em>permutation formula </em>is used to solve this question.

<h3>What is the permutation formula?</h3>

The number of possible permutations of x elements from a set of n elements is given by:

P_{(n,x)} = \frac{n!}{(n-x)!}

2 players are taken from a set of 25, hence the number of ways is given by:

P_{(25,2)} = \frac{25!}{23!} = 600.

More can be learned about the permutation formula at brainly.com/question/25925367

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