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Rzqust [24]
3 years ago
11

Please help me (online class)

Mathematics
1 answer:
photoshop1234 [79]3 years ago
8 0

Answer:

x=3.99 it represents the amount per book

Step-by-step explanation:

3x + 1.50 = 13.47

- 1.50 on both sides

3x= 11.97

Divide 3 on both sides.

x= 3.99

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5 0
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they are 15 entrees available at a restaurant. from these, Archie is to choose 6 for his party. how many groups of 6 entrees can
Goshia [24]
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The equation for combination is,
     nCr = n!/((n - r)!(r!))

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6 0
3 years ago
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rewona [7]

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8 0
4 years ago
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