The high school is 3.6 inches from the middle school on a map. Each half inch on the map represents 0.4 mile. What is the actual
2 answers:
Answer:
2.88 miles.
Step-by-step explanation:
Given : The high school is 3.6 inches from the middle school on a map. Each half inch on the map represents 0.4 mile
To Find: What is the actual distance between the two schools?
Solution:
Scale :
So, 1 inch = = 0.8 miles
Distance between schools = 3.6 inches
Distance between school in miles=
=
Hence the total distance between schools is 2.88 miles.
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<u>Solution-</u>
The given inequalities are,
<u>Part A</u>
As the former inequality is only '<' so it will be represented as dotted line, but in case of the later inequality there is '≥' so it will be represented as a solid line.
This happens because in only '<, >' the values must be either lesser or greater than y, they can't take the values of y, but in case of '≤, ≥' the values can be equal to y.
Taking origin (0, 0) and putting in the first inequality.
As the equation does not satisfy, so the shaded area will be on the other side of the origin.
Again taking origin (0, 0) and putting in the second inequality.
As the equation does not satisfy, so the shaded area will be on the other side of the origin.
The second attachment contains the feasible region.
<u>Part B</u>
In order to know whether the point (3, −7) is included in the solution area for the system or not, we must put it in both the equations, if it satisfies both then only it is within the solution area.
As the point (3, -7) only satisfies first inequality, but not the second inequality so this point won't be in the solution area.
