Which are the subset of a real numbers to which the number zero belongs to
2 answers:
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Since the slopes of the two lines are the not equal, they will have only one solution. The solution will be a point and can be found using the method given below.
We can find the solutions by simultaneously solving the two equations.
From first equation, the value of y comes out to be:
Using this value of y in second equation, we get:
Using this value of x, we can find y:
Therefore, there is only one solution to the given equations is which is (12, -9)
We can find the solutions by simultaneously solving the two equations.
From first equation, the value of y comes out to be:
Using this value of y in second equation, we get:
Using this value of x, we can find y:
Therefore, there is only one solution to the given equations is which is (12, -9)
Answer:37.2 sec
Step-by-step explanation:
Given
Joel takes 81 sec for 14 mile long track
speed of joel mi/min=10.37 mi/min
Jason takes 69 sec for 14 mi track
so jason speed is
if both starts from same spot in opposite direction then
where x is distance covered by Joel
then x=6.44 miles
therefore time required