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m_a_m_a [10]
3 years ago
6

Pls answer with working out pls. thnx

Mathematics
1 answer:
siniylev [52]3 years ago
8 0
3) mean = (5×o+9×1+7×2+4×3+3×4+2×5)/30
= (0+9+14+12+12+10)/30
= 57/30 = 1.9

4)same way,mean = 76/32 = 2.38
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2 years ago
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3 years ago
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frutty [35]

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5 0
2 years ago
Y = 15x <br> y = 25 + 12.5x
swat32

Substitute y = 15x to the equation y = 25 + 12.5x:

15x = 25 + 12.5x     <em>subtract 12.5x from both sides</em>

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<h3>Answer: x = 10 and y = 150</h3>
7 0
3 years ago
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