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Ludmilka [50]
3 years ago
8

Help me with my math homework please

Mathematics
1 answer:
prisoha [69]3 years ago
6 0
21-
x is 18
x + 3x + 18 = 90 \\ 4x + 18 = 90 \\ 4x = 90 - 18 = 72
x =  \frac{72}{4}  =18


22- x is 50.5
x + 58  + x + 21 = 180 \\ 2x  + 79 = 180 \\ 2x = 180 - 79 = 101
x =  \frac{101}{2}  = 50.5


23- x is 196/3
2x + 8 + x - 24 = 180 \\ 3x  = 24 + 180 - 8  = 196\\ x =  \frac{196}{3}



24- x is 88.5
x + 15 + x - 12 = 180 \\ 2x  = 180  -  15  +  12 = 177\\ x =  \frac{177}{2}  =  88.5




25- x is 131

y is 180- 131=49






good luck
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Observations can you make from a comparison of the number of water supply stoppages reported by owner-occupied units versus renter-occupied units 1.

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x           f(x)

0             0.0370

1              0.3393

2         0.4137

3              0.1722

4         0.0378

Total     1

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