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Elanso [62]
3 years ago
6

Can some please answer this

Mathematics
2 answers:
Sonbull [250]3 years ago
7 0

9514 1404 393

Answer:

  B  (2 violet)

Step-by-step explanation:

Let the colors be represented by their first letter. Then the balances give rise to two equation:

  o +y +b +v = r +g +b

  o +y +v = g +v

Subtracting the second equation from the first gives ...

  (o +y +b +v) -(o +y +v) = (r +g +b) -(g +v)

  b = r +b -v

Adding v-b to both sides, we have ...

  b +(v -b) = r +b -v +(v -b)

  v = r

Multiplying this result by 2, we can match the final balance:

  2r = 2v . . . . . . . choice B

Phoenix [80]3 years ago
7 0

Answer:

the answer is B.2 purple

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Andrew [12]

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Step-by-step explanation:

All of the digits in the given number are significant. There are 7 significant digits.

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<em>Comment on other cases</em>

When there are non-zero digits to the left of the decimal point in a number with a decimal point, all of the digits are significant.

When there are no non-zero digits to the left of the decimal point, leading zeros are not significant. All digits following the leading zeros are significant.

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