piperk19
18.07.2019 •
Mathematics
Jack is 3 times as old as lacy. 10 years from now the sum of their ages will be 56. how old are they now?
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Ответ:
Ответ:
So for this, we will be putting the equation in slope-intercept form, which is
, with m = slope and b = y-intercept (aka the point in which the line crosses the y-axis)
Since it's stated that -2 is our slope, this means that -2 is the m variable.
Since it's also stated that the y-intercept is (0,3), 3 is our b variable.
Putting our equation together, it's