Find the original price of a pair of shoes if the sale price is $78 after a 25 discount
1 answer:
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Answer:
The number of cases heard by Jerry per hour is
Step-by-step explanation:
The rate of hearing the cases is 5 cases in 2 3/8 hours.
Now,
⇒The judge hears 5 cases in 2.375 hours.
So, the number of cases per hour =
= 2.105
Also,
Hence, the number of cases heard by Jerry per hour is
Answer: (-2, 5) and (2, -3)
<u>Step-by-step explanation:</u>
Graph the line y = -2x + 1 (which is in y = mx + b format) by plotting the y-intercept (b = 1) on the y-axis and then using the slope (m = -2) to plot the second point by going down 2 and right 1 unit from the first point:
y - intercept = (0, 1) 2nd point = ( -1, 1).
Graph the parabola y = x² - 2x - 3 by first plotting the vertex and then plotting the y-intercept (or some other point):
vertex = (1, -4) 2nd point (y-intercept) = (0, -3)
<em>see attached</em> - the graphs intersect at two points: (-2, 5) and (2, -3)
