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3 years ago

I. How long is the lunch period?

Mathematics

1 answer:

Marina86 [1]3 years ago

6 0

II, III, and IV are statistical questions about lunchtime that anticipate variability.

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30 points! PLS HELP IF U SMART

ANTONII [103]

Answer:

y = 40 x = 80

Step-by-step explanation:

520 = 3.25x + 6.5y and x+y=120

x+y=120

x = 120-y

520 = 3.25(120-y)+6.5y

520 = 390-3.25y+6.5y

520 = 390+3.25y

130=3.25y

40 = y

x = 120-y

x = 120-(40)

x = 80

here's a graph

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Andru [333]

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Flura [38]

Answer:

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Juli2301 [7.4K]

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adelina 88 [10]

Step-by-step explanation:

AB and CD is not parallel because co-interior sum is 180 and another reason is that parallel sign isn't given.

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