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Scilla [17]
3 years ago
7

What is the probability of choosing a

Mathematics
1 answer:
sladkih [1.3K]3 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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Please help with an explanation!! will mark brainliest, not the best at fractions haha
Vitek1552 [10]
The correct answer is letter C; -6,
-5 2/5 or -27/5 and -4 1/5 or -21/5.

You can find this answers by substituting 1, 4, and 10 into the letter n.

Then you follow the operational order to get the answer.
8 0
3 years ago
Tania has 56 liters of milk. She uses the milk to make muffins and cakes. Each batch of muffin requires 7 liters of milk and eac
Sophie [7]
Equally divide 56 into 2 halves. 28 liters. 28 liters for muffins and 28 liters for cakes.
 
(muffins require 7 liters) 28÷7= 4
(cakes require 4 liters) 28÷4=7
x= 4 batches of muffins
y= 7 batches of cakes.
4 0
4 years ago
Rafi had a board that was 15 1/2 feet long. He cut three pieces off the board that are each 3 7/8 feet long. How much of the boa
sattari [20]

Answer:

Step-by-step explanation:

To answer this question, first we need to figure out how much of the board Rafi cut off.

To do this, we need to multiply the length of each piece by the number of pieces he cut off.

3 7/8 = 3.875

3.875 * 3 = 11.625

Now, because we knew Rafi cut off 11.625 feet off of the board, we just need to subtract this length from the length of the entire board to find the remaining length.

15 1/2 = 15.5

15.5 - 11.625 = 3.875

There is 3.875 feet or 3 7/8 of the board left.

7 0
2 years ago
GT
DedPeter [7]

I have no idea what you are trying to say

6 0
3 years ago
How do you solve 9x-7= -7 for 2 step equations?
Alinara [238K]
You add +7 to both sides and then divide by 9 to get the x alone.
8 0
3 years ago
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