3 years ago

Graph the line y=kx+1 if it is known that the point M belongs to it: M(2, −7)

Mathematics

1 answer:

ololo11 [35]3 years ago

7 0

Answer:

send t82y Hebron Jr fost end is good

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X - 11 = 20 3y + 8 = 23 X/2 + 6 = 10 8y = -56 5x - 7 = 13

slavikrds [6]

1. x = 31
2. y = 5 + 23
3.
4. y = -7
5. x = -2 + 13

7 0

2 years ago

It takes Leon 17 hours to seal his driveway working by himself. If Michael helps Leon, they can seal the driveway in 2 hours. Ho

Norma-Jean [14]

Answer:

It takes Michael 1 hour, 14 minutes and 7 seconds to seal the driveway close

Step-by-step explanation:

Leon do the work in 17 hours that means the rate of his work is $\frac{1}{17} work/hr$ , so he do $\frac{2}{17}$ of the work in two hours, therefore Michael do the other $\frac{15}{17}$ of the work, thus Michael rate will be $\frac{15}{17} \div\frac{1}{2} =\frac{30}{17} work/hour$ .

So it takes Michael $1h+\frac{4}{17}h$ to complete the work, or $\frac{4h}{17} \times \frac{60min}{1hour} =14\frac{2}{17} min\\\\\frac{2}{17} min \times \frac{60 secs}{1min}=7secs$