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ioda
3 years ago
15

There are 12 state quarters and 5 regular quarters in a jar. Charles randomly picks up a quarter, puts it back in the jar, and t

hen picks another quarter without looking. Which tree diagram shows the correct probabilities for this situation? WILL GIVE BRAINLIEST!!!
PLEASE HELP NEED NOW!!!

Mathematics
2 answers:
Arisa [49]3 years ago
6 0
Its the first picture all the way to the left.
Sphinxa [80]3 years ago
6 0

the first picture is the correct answer

total number of coins in the jar = 17

number of state quarters = 12

number of regular quarters = 5

Probability = favorable outcomes / total outcomes

Probability of picking a state quarter = 12/17

Probability of picking a regular  quarter = 5/17

As he puts the coin back in the jar after the first pick up, the total number of coins in the jar remains the same =17

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Step-by-step explanation:

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If my friend and i went to get ice cream, I have $30 and each ice cream is $5. What equation would help me solve this? I need an
Anna35 [415]
<h3>Hello there!</h3>

Your question asks to make an equation with the information that was given.

<h3>Answer: y = -5x + 30</h3>

In order to make an equation for your question. We would be making an equation with the formula: y = mx + b.

Formula: y = mx + b

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x = amount of ice cream

b = starting value

We would need to gather the key information from the question.

Key information:

You have $30

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With the information above, we can make an equation for the question.

What we know is that you started with $30, so that means that 30 would be your b value (starting value).

Your equation should look like this:

y = mx + 30

Now, we know that each ice cream cost $5, but since we're paying for the ice cream, we would subtract that from our starting value. This means that our change would be -5, since we are taking away $5 each time we buy ice cream.

Your equation should look like this:

y = -5x + 30

The equation above would be the equation for your question.

We would do nothing to x but just leave it as is, since we don't know how many ice creams you're going to buy.

y = -5x + 30 should be your FINAL answer.

<h3>I hope this helps!</h3><h3>Best regards, MasterInvestor</h3>
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