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FireStorm6265
27.06.2019 •
Mathematics
Consider that the system has infinitely many solutions. which choice is the coefficient of y in the second equation? 5x + 10y = 15 x + __ y = 3
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Ответ:
The coefficient of y is
EXPLANATION
The first equation is
We can rewrite this equation in the slope intercept form to get,
We divide through by 10 to get,
The slope of this line is
and the y intercept is
Let
be the coefficient of y in the second equation.
Then, we have
We rewrite this equation too in slope intercept form to get,
Dividing through by
gives,
For the two equations to have infinitely many solution, then they must have the same slope and y intercept.
This means, that,
This implies that
Therefore the coefficient of y must be 2.
Ответ:
It would be $5,475 for a year. if you added registration fee it would be a total of $5,655.
Step-by-step explanation:
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