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stepladder [879]
3 years ago
12

1/3x+y=4 ssolve for y

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0

Answer:

 Slope = -0.667/2.000 = -0.333

 x-intercept = 12/1 = 12.00000

 y-intercept = 12/3 = 4

Step-by-step explanation:

sdas [7]3 years ago
5 0

Answer:

y=-1/3x+4

Step-by-step explanation:

Subtract 1/3x on both sides to get y by itself, and that leaves y on one side and -1/3+4 on another.

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Un padre para estimular a su hijo para estudiar matemáticas le dice: por cada ejercicio que resuelvas bien te daré 7 € y por cad
Naya [18.7K]

Answer:

8 ejercicios

Step-by-step explanation:

De acuerdo a la información dada, puedes plantear las siguientes ecuaciones:

x+y= 45 (1)

7x-1y= 19 (2)

x= ejercicios que resolvió bien

y= ejercicios que resolvió mal

Primero, puedes despejar x en (1):

x= 45-y (3)

Segundo, debes reemplazar (3) en (2):

7(45-y)-1y=19

315-7y-1y= 19

315-8y= 19

315-19= 8y

296= 8y

y= 296/8

y= 37

Tercero, debes reemplazar el valor de y en (3) para encontrar x:

x= 45-37

x= 8

De acuerdo a esto, la respuesta es que el hijo ha resuelto bien 8 ejercicios.

8 0
3 years ago
Two cars, A and B, are travelling along a straight road and in the same direction. Car B is 20 km
pishuonlain [190]

Answer:

2 o'clock

Step-by-step explanation:

Their 'closing speed' is 60 - 50 = 10 km/hr

they have 20 km between them

 at closing speed this will take   20 km / 10 km/hr = 2 hours for the cars to meet....this would be at 14:00    or  2 oclock

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2 years ago
There are 18 students in Mrs. Lynn's first grade class. Eight of her students are boys. What is the ratio of girls to boys?
liubo4ka [24]
The ratio is 10 girls to 8 boys 
3 0
3 years ago
Read 2 more answers
May has 31 days. How would the experimental probability be affected if someone mistakenly used 30 days to calculate the experime
Mars2501 [29]
<span>20/31 is greater than 19/30 so using fewer days in the month produces a greater probability i think so 
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3 0
3 years ago
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Afina-wow [57]

Answer:

Its A

Step-by-step explanation:

Because it is. i took the test :)

5 0
3 years ago
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