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tangare [24]
3 years ago
9

You play a gambling game with your friend in which you win 30% of the time and lose 70% of the time. When you lose, you lose $1.

What profit should you earn when you win in order for the game to be fair? (Round your answer to the nearest cent.)
Mathematics
1 answer:
Vadim26 [7]3 years ago
7 0

Answer:

$ 2.33

Step-by-step explanation:

Fair game is when expected profit = 0

0.3(X) + 0.7(-1) = 0

0.3X = 0.7

X = 7/3

Approximately 2.33

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Working together, it takes two computers 10 minutes to send out a company's email. If it takes the slower computer 50 minutes to
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Answer:

12.5 minutes

Step-by-step explanation:

When working together,It takes two computers 10 minutes to send out an email

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Let x represent the time taken by the faster computer to do the job in its own

Therefore, the time required by the faster computer can be calculated as follows

1/x + 1/50= 1/10

Collect the like terms

1/x= 1/10-1/50

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Cross multiply both sides

4 × x = 50×1

4x=50

Divide both sides by the coefficient of x which is 4

4x/4=50/4

x= 12.5

Hence the time taken by the faster computer to finish the job on its own is 12.5 minutes

4 0
3 years ago
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2 years ago
A regular pentagon has an apothem of 7.3 inches and a perimeter of 53
Vesna [10]

Answer:

The area of the pentagon is 193.45 square inches.

Step-by-step explanation:

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area = (53*7.3)/2 square inches

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The area of the pentagon is 193.45 square inches.

4 0
4 years ago
Read 2 more answers
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