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Scilla [17]
2 years ago
7

What is the probability of choosing a

Mathematics
1 answer:
sladkih [1.3K]2 years ago
3 0

Answer:

Probability of choosing a penny at random is 1/5 or 0.2

Step-by-step explanation:

For many probabilities like this one, you have to add the total of materials or items together, even if they are different colors, shape, coin type, etc.

you have 12 pennies, 19 nickles, 14 dimes, and 15 quarters. This adds up to a total of 60 coins. Twelve of those are pennies.

You have twelve possible pennies to choose at random from a total of 60 in a bag.

So 12/60/ This simplifies to a probability of 1/5. If you divide 1 by 5 than it would be 0.2

The probability of choosing a penny from a bag of coins is 1/5, or 0.2.

Hope this helps

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4 0
2 years ago
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A toy company spends $20 for every doll it makes. Promotion of the dolls costs $400 and the company sells each doll for $30. How
Romashka-Z-Leto [24]

Answer:

20d+400< 30d

Step-by-step explanation:

we know that

The profit is equal to the number of dolls multiplied by the selling price minus  the number of dolls multiplied by the cost of each doll minus the cost of the promotion of the dolls

To make a profit, the number of dolls multiplied by the selling price minus  the number of dolls multiplied by the cost of each doll must be greater than the cost of the promotion of the dolls

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The linear inequality that represent this problem is

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30d > 20d+400

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4 0
3 years ago
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Genrish500 [490]
The answer should be 834, 690

hope this helps!
8 0
2 years ago
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ziro4ka [17]

Answer:

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Step-by-step explanation:

7 0
2 years ago
he work of a student to solve the equation 4(2x − 4) = 8 + 2x + 8 is shown below: Step 1: 4(2x − 4) = 8 + 2x + 8 Step 2: 6x − 8
KiRa [710]

Answer:

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Step-by-step explanation:

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