kimhayleeshook50
20.07.2019 •
Mathematics
The local movie theater has $85 to purchase new movie posters that cost $14.65 each and frames that cost $11.75 each, where x is the number of purchased movie posters and y is the number of purchased frames. which inequality represents this situation? enter your answer, in standard form, in the box. ?
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Ответ:
Step-by-step explanation:
Let
x------> the number of purchased movie posters
y------> the number of purchased frames
we know that
The inequality that represent the situation is
Using a graphing tool
The solution is the triangular shaded area
see the attached figure to better understand the problem
Ответ:
the function described in the table would be y = 2x - 2.
in order to find the equation, we need to start by picking two points to use. for ease, we'll use ones with 0's in them: (0, -2) and (1, 0).
next we'll find the slope. the slope formula is below.
m = (y2 - y1)/(x2 - x1)
in this equation, m is the slope and (x1, y1) is the first ordered pair and (x2, y2) is the second. so we put in the numbers and solve for m.
m = (y2 - y1)/(x2 - x1)
m = (0 - -2)/(1 - 0)
m = 2/1
m = 2
now that we have this, we can use slope intercept form and either of the points we just used to find the y-intercept.
y = mx + b
-2 = 2(0) + b
-2 = 0 + b
-2 = b
now we put this intercept and the slope in the formula and get our equation.
y = 2x - 2