Solve the Quadratic equation

1 answer:

7 0

Answer:

kindly using which rule?

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harina [27]

Answer:

The minimum number of hours the plumer can work is 1 hour and 15 minutes and the maximum number of hours is 6.

Step-by-step explanation:

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ExtremeBDS [4]

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timama [110]

Answer:

D. 18 ml of the mixture is vinegar

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blondinia [14]

Answer:

Step-by-step explanation:

let the number be n then half the number is $\frac{1}{2}$ n, then

n + $\frac{1}{2}$ n = 15

Multiply through by 2 to clear the fraction

2n + n = 30, that is

3n = 30 ( divide both sides by 3 )

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Thus the number is 10

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snow_tiger [21]

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