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Brrunno [24]
3 years ago
15

Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 1717 Pennies 1010 Dimes 1919 N

ickels 2323 Quarters Copy Data What is the probability that you reach into the jar and randomly grab a nickel and then, without replacement, a penny? Express your answer as a fraction or a decimal number rounded to four decimal places.
Mathematics
1 answer:
jasenka [17]3 years ago
5 0

Answer:

25.50

Step-by-step explanation:

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The probability that Brian wins a raffle is given by the expression n n + 2 . Write down an expression, in the form of a combine
LUCKY_DIMON [66]

Answer:

\frac{2}{n+2}

Step-by-step explanation:

Given

Let the total probability be 1

Probability that Brian wins a raffle  = n/n+2

Probability that Brian does not win a raffle = 1 - Probability that Brian wins a raffle

Probability that Brian does not win a raffle = 1 - (n/n+2)

Probability that Brian does not win a raffle = \frac{n+2-n}{n+2}

Probability that Brian does not win a raffle = \frac{2}{n+2}

Hence required fraction is  \frac{2}{n+2}

7 0
3 years ago
Hello i need some help with these I'm not the best at math thx
saul85 [17]

Answer For the First One:

D, 51.3%

Step-by-step explanation:

The total number of students that ordered popcorn was 80 and 80 is 51.3% of 156 (the total number of students)!

Answer For the Second One:

C, It was reflected over the X-axis

Explanation:

If you just flip the DEF backwards over the x-axis it makes the GHI shape!

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
What's 3 1/2 + 5/6 <br> It's a mixed number
AlekseyPX
13/3 or 4.33333333333
6 0
3 years ago
Is 4=5 I know it sounds not to smart just trying to prove a friend wrong
Anna11 [10]
4=1 1 1 1
5= 1 1 1 1 1

So this means 5 and 4 are not equal
8 0
3 years ago
Three times the sum of a number and seven is two less than five times the number
damaskus [11]
The answer for x is 1/13
5 0
3 years ago
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