RiddleRider
21.07.2019 •
Mathematics
Dirk can clean a playground in 5 hours. geralyn can clean a playground in only 4 hours. which of the following can be used to determine the amount of time it would take for dirk and geralyn to clean a playground together?
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Ответ:
Ответ:
The answer is (B). none.
Step-by-step explanation: We are given that an equation has no solution. We are asked to find the number of points of intersection in the graph if we graph both sides of the equation.
Let us consider the following system of equations:
We graph both sides of the equation in the attached figure. We can easily see that the straight lines will never intersect each other.
Therefore, there will be no point of intersection in the graph.
Thus, the correct option is (B).