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Karolina [17]
3 years ago
14

A copy machine makes 231 copies in 5 minutes and 15 seconds. How many copies does it make per minute?

Mathematics
1 answer:
kotykmax [81]3 years ago
7 0
Put 5 min 15 sec into seconds (315 seconds) and set up a ratio to find how many copies are made every 60 seconds.
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AysviL [449]
The correct option is (A) x^6 + x^5 - 2x^4  - 2x^3 + 3x^2 + 6x - 9 

Explanation:
The product of two polynomials:
(x^3 + x^2  -3)(x^3 - 2x + 3)

Row1:   x^6       x^5      -3x^3
Row2: -2x^4   -2x^3      6x
Row3:  3x^3     3x^2      -9

Add all of the above rows:
x^6 + x^5 - 3x^3 -2x^4 - 2x^3 + 6x + 3x^3 + 3x^2 -9

x^6 + x^5 - 2x^4  - 2x^3 + 3x^2 + 6x - 9 (Option A)
3 0
3 years ago
in a recent year, one united states dollar was equal to about 82 japanese.how many japanese yen are equal $100?$1,000?$10,000?
Ugo [173]
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Paper clip. a paper clip would be about the size of her thumb so she would be able to use. for example, her thumb is 2 paperclips long. therefore the answer would be paperclip.
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Answer:

Step-by-step explanation:

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