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ratelena [41]
4 years ago
6

I need help!!! Don't solve work me through how to do this!

Mathematics
1 answer:
Agata [3.3K]4 years ago
7 0

Answer:

13 nickels and 8 dimes

Step-by-step explanation:

okay, we know that he has $1.45

we know $1= 100 cents.

so we know he has 145 cents

we know one nickel= $0.05

we know one dime=$0.10

we know he has twice as many minuses 3 nickels compared to dimes.

with this information we can make an equation d=dimes n= nickels

145= (5x(n-3)) + (10xd)

we know whatever we plug in for n, d will be half as much. so plug in even numbers that can easily be decided by 2 for n. then take whatever number you put for n and divide it by 2 to get d. for example, if you put 10 for n you would put 5 for d.

eventually you'll end up with an equation that looks like this

145=(5×(16-3))-(10×8)

meaning you have

16-3= 13 nickels

and. 8 dimes

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Answer:

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Step-by-step explanation:

From the question we are told that

     Two fair dice, one green and one red were rolled

Generally the  outcomes on the dice independent because the outcome on the first dice is not affected by the second die

Generally the  probability of getting a 1  on a dice rolled is  P(1) =  \frac{1}{6}

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Generally the probability of P(1 on green die and 5 on red die) is mathematically represented as

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          P(5 \& 1) = \frac{1}{6}  *\frac{1}{6}

         P(5 \& 1) = \frac{1}{36}

Generally the probability of P((1 on green die and 5 on red die) or (5 on green die and 1 on red die)) is mathematically represented as

          P(5 \& 1 | 1\& 5  ) = \frac{1}{36} + \frac{1}{36}

         P(5 \& 1 | 1\& 5  ) = \frac{1}{18}

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