Lorinda can walk 1.8 miles in 30 minutes. Which proportion can be used to find how many miles she can walk in 45 minutes?
2 answers:
Answer:
2.7 miles = x
Step-by-step explanation:
Given : Lorinda can walk 1.8 miles in 30 minutes.
To find : Which proportion can be used to find how many miles she can walk in 45 minutes.
Solution : We have given Lorinda can walk 1.8 miles in 30 minutes.
Let Lorinda can walk in 45 mintute = x.
=
.
This is the direct Proportion.
0.06 *45 = x
2.7 miles = x
Therefore, 2.7 miles = x
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The graph is shown in figure below
The Solution Set is (-2,-3)
Step-by-step explanation:
We need to graph the equations and writ the solution.
For graphing we need to find the values of x and y.
For that, we need to solve the given equations:
Let:
We can solve this by using Substitution Method.
Putting value of y of eq(1) into eq(2) and finding value of x:
So, value of x = -2
Now put value of x in eq(1) to find value of y:
So, value of y = -3
Plotting on graph: x=-2 and y = -3
The graph is shown in figure below
The Solution Set is (-2,-3)
Keywords: graph the equations
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