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Fofino [41]
3 years ago
9

HELP ASAP

Mathematics
1 answer:
almond37 [142]3 years ago
6 0

Answer:

Step-by-step explanation:

let the number of dimes=x

and number of quarters=y

x=2y

0.10 x+0.25 y=2.25

or 10x+25y=225

divide by 5

2x+5y=45

2 ×2y+5y=45

4y+5y=45

9y=45

y=45/9=5

x=2y=2×5=10

Hence dimes=10

quarters=5

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Answer:

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Step-by-step explanation:

6 0
3 years ago
a bag contains 6 black marbles and 6 white marbles. What is the least number of marbles that you must choose, without looking, t
o-na [289]

Given:

Number of black marbles = 6

Number of white marbles = 6

Let's determine the least number of marbles that can be chosen to be certain that you have chosen two marble of the same color.

To find the least number of marble to be chosen to be cartain you have chosen two marbles of the same color, we have:

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6 0
1 year ago
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8 0
2 years ago
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statuscvo [17]

Answer:

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5 0
3 years ago
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Have an amazing day!

<u><em>PLEASE RATE!</em></u>

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2 years ago
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