3 years ago

Find a number smaller than 19 that has more factors than 21, 23, and 25

1 answer:

7 0

The factors of 21 are 1, 3, 7, and 21 ... four factors.

The factors of 23 are 1 and 23 ... two factors.

The factors of 25 are 1, 5, and 25 ... three factors.
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The factors of 12 are 1, 2, 3, 4, 6, and 12 ... six factors.

The factors of 18 are 1, 2, 3, 6, 9, and 18 ... six factors.

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A plumber charges $50 to come to a house and $20 an hour for work time.

PolarNik [594]

Since the 50 remains the same every time, is has no letters next to it in the equation. The 20, however, is multiplied by the amount of hours, and will therefore have an h next to.

20h + 50- the answer is a.

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2 years ago

Can someone help me with this math problem..?

erma4kov [3.2K]

10x -15y=45
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19x= 57
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9 + 5y = 4
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(3,-1)

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IrinaVladis [17]

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3 years ago