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dolphi86 [110]
3 years ago
9

If I have 20 dollars then i buy 13 dollars worth of food how much dollars do i have .

Mathematics
2 answers:
Sophie [7]3 years ago
5 0

Answer:

u have 7$

Step-by-step explanation:

victus00 [196]3 years ago
4 0

Answer: 7

Step-by-step explanation:

you need to answer the question like this:

20-13= 7

that is the answer because, you originally have $20, you send those $13 so you would only have 7 dollars left.

Good luck on your work!

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A warden meets with 23 prisoners. He tells them the following:
Sedbober [7]
The prisoners could do a pattern that could signal who has already been in the room. So for example, one light off, both lights off, one light on, both lights off. But with left and right lights to make the sequence last as long as possible. Then after that sequence to have the last one be the signal that everyone has been in there. I dunno this is tricky lol
7 0
3 years ago
Please help!!!!!!!!!
Natali [406]

Answer: $432

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6 0
3 years ago
a six sided die is rolled 4 times in a row. What is the probability of getting 4 only on the last trial of this experiment?
hoa [83]
First, start of by saying what the probability of getting a 4 is, which is 1/6.
Now, this means the probability of not getting a 4 is 1-(1/6)=(5/6), since the total probability is 1.

After doing this, you should think about what it means to only get 4 on the last trial, the 4th trial.  It means that the probabilities of the 1st, 2nd, and 3rd trial were (5/6) each.  The 4th trial had a probability of (1/6).  So the probability would be calculated as following: ((5/6)^3*(1/6)=5^3/6^4.  You can use a calculator or your computer to find out that the probability is 125/1296.  

I hope this was helpful!
5 0
3 years ago
There are 8 blue candies, 5 pink candies, 1 white candy, and 6 green candies in a candy jar. You reach in, without looking, and
kupik [55]

Answer:

30%

Step-by-step explanation:

Find the total number of candies in the jar.

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3 years ago
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