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kirill [66]
3 years ago
8

A jar contains 21 pennies (worth $0.01 each), 15 nickels (worth $0.05 each), 18 dimes (worth $0.10 each), and 32 quarters (worth

$0.25). if a coin is drawn at random, what is the expected value of the draw?
Mathematics
1 answer:
Lapatulllka [165]3 years ago
4 0
Less than 25 bro.............
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Please help, having a hard time
rosijanka [135]

Answer:

The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Step-by-step explanation:

Let x is the cost/price of one balcony seat, in dollars.

Then the cost of one orchestra seat is (x+6) dollars, according to the condtion.

The total cost of tickets is  

250x + 400*(x+6) = 8250.

Simplify it step by step.

250x + 400x + 2400 = 8250,

650x = 8250 - 2400 = 5850  ====>  x = 5850/650 = 9.

Answer.  The balcony seat costs $9,  the orchestra seat costs $9 + $6 = $15.

Check.   9*250 + 15*400 = 8250.  Correct.

3 0
3 years ago
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Express the fractions 2/3, 3//4 and 5/6 as equivalent fractions with a denominator of<br>12​
lina2011 [118]

Answer:

like 2/3 or 15/16; Mixed number - like 1 1/2 or 4 5/6; Integer - like 5 or 28

Step-by-step explanation:

6 0
3 years ago
I don't really understand this..please..help..
o-na [289]

Answer:

it is b , 1462 dollarrss

Step-by-step explanation:

5 0
3 years ago
Answer please and thank you
USPshnik [31]

Answer:

72

Step-by-step explanation:

5 0
2 years ago
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X+2y=2 I don't get how to get y by itself
Ksivusya [100]
You have to divide so it would be

X+2/2 = y do you see what I did so then it would be
X+y = xy =2=2xy so you have to first divide then combine like terms
6 0
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