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Fantom [35]
3 years ago
15

Half of the students in a freshman class are 14 years old. One-third are 15 and the rest are 13. Is the mean age greater than

Mathematics
1 answer:
Allisa [31]3 years ago
8 0

the mean age is greater than the median age.

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AC = 3x -8, BC = -7 + 2x, and AB = 8.<br> Find BC.
Rainbow [258]

Answer:

AB+BC+AC=180°

8 - 7 + 2x +3x -8= 180°

-7+5x=180°

x=180°+7/5

x=37.4°

again

BC=-7+2*37.4

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1 year ago
X2+5x=3x+11 and solve by completing the square
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oksano4ka [1.4K]
B.) 81
sq rt of x= 12-3
sq rt of x=9
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x^2= (9)^2
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kolezko [41]
The answer is to your question is 100:1
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