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Sophie [7]
3 years ago
14

What is the equation of a line, in general form, that passes through point (1,-2) and has a siope of 1/3?

Mathematics
1 answer:
Sever21 [200]3 years ago
8 0

9514 1404 393

Answer:

  x -3y -7 = 0

Step-by-step explanation:

The general form of the equation for a line is ...

  ax +by +c = 0

where a, b, c are mutually prime and the leading coefficient is greater than zero.

__

The general form equation for a line with slope m = rise/run through point (h, k) can be found by simplifying ...

  rise(x -h) -run(y -k) = 0 . . . . where run has the sign of the slope

For the given point and slope, we have ...

  1(x -1) -3(y -(-2)) = 0

  x -3y -7 = 0

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One fruit punch has 10% juice and another has 50%. How much of the 10% should be mixed with 30 gal of the 50% to create punch th
N76 [4]

Answer:

We combine x ounces of 100% juice

with 40-x of 10% juice

to get 40 ounces of 55% juice

 

x + 0.1(40-x) = .55(40)

x + 4 - 0.1x = 22

0.9x + 4 = 22

.09x = 18

x = 20 ounces of 100% juice

40-x = 20 ounces of 10% juice

 

We combine 20 ounces of each.

 

Step-by-step explanation:

8 0
2 years ago
Simplify each equation. Tell whether the equation has one, no, or infinite solutions. 3x-7=3(x-3)+2
STatiana [176]

Answer: Infinite solutions

Step-by-step explanation: 3x -7 = 3(x-3)+2

                                             3x + -7 = (3)(x) + (3)(-3) + 2

                                             3x + -7 = 3x + -9 + 2

                                             3x - 7 = (3x) + (-7)

                                             3x -7 - 3x = 3x - 7 - 3x

                                             -7 + 7 = -7 + 7

                                             0 = 0

8 0
3 years ago
Necesito encontrar expresiones equivalentes a los valores del 1 al 20 pliss
Mariulka [41]

Answer and Step-by-step explanation:

Si está buscando una expresión que sea igual a los números del 1 al 20, intente hacer una. Por ejemplo, 2y + 1x = 18 donde y = 9 - x / 2 y x = 18 - 2y. Siempre que la expresión sea igual a menos de 20, ¿no?

Lo siento, no entendí muy bien la pregunta, ¡pero espero que esto te haya ayudado! ¡Ten un día maravilloso! <3

**Tenga en cuenta que mi español no es el mejor, lo siento mucho, hablo principalmente inglés. Mi mal, con suerte, me puedes entender.**

4 0
2 years ago
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Zina [86]
Ratio is demonstrated by " : " sign.
Ratio of cheese: pepperoni
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A. 9:4

Hope this helps :)
6 0
2 years ago
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Answer:

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Step-by-step explanation:

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