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pashok25 [27]
2 years ago
10

Pls help me ill give brainliest Do all 3 for brainliest

Mathematics
1 answer:
Gwar [14]2 years ago
4 0

Answer:

13. Slope: -3

14. D ; y = 18

15. ?

Step-by-step explanation:

13. 4 - 1 = 3

-3 - 6 = -9

3/-9 = -3

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Select the correct answer.<br> Solve this inequality for x: -46 − 8x &gt; 22.
Dmitry [639]

Answer:     x < - 8.5

Step-by-step explanation:

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3 years ago
4. El costo de impresión de cada página en una biblioteca es de 5 centavos si es en blanco y negro o
ira [324]

Answer:

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Step-by-step explanation:

Llamemos "b" a las copias en blanco y negro y "c" a las copias en color.

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b + c = 75  

b = 75 - c   [1]

El costo de impresión de cada página en una biblioteca es de 5 centavos si es en blanco y negro o  50 centavos si es a color. En total pago $6.90. En forma simbólica es:

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0.05(75-c) + 0.5c = 6.90

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4 0
2 years ago
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