Which pair of lines are perpendicular to one another ?
1 answer:
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Answer:
a possible solution is (10,1)
Step-by-step explanation:
Here, we want to solve the given inequality and determine one possible solution
From the question, we have it that;
x + y ≤ 13
Mathematically, we have it that 1 dime is worth $0.1
A nickel is worth $0.05
0.1x + 0.05y ≥ 0.95
please check the attachment for the graph of both equations
The point of intersection represents the solution.
we have a point here as (10,1)
For this case we propose a system of equations:
x: Let the variable representing the length of the longer piece
y: Let the variable representing the length of the shorter piece
According to the statement data we have:
Substituting the second equation into the first we have:
Thus, the shorter piece is 30 cm.
Thus, the longer piece is 70 cm.
Answer:
The longer piece is 70 centimeters.