felisha1234
30.03.2020 •
Mathematics
Determine the slope of the line that goes through the points (-9,14) and (9,-2)
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Ответ:
-8/9
Step-by-step explanation:
To find the slope of a line using two points, the equation is y2 - y1/x2 - x1.
In this example,
y2 = -2
y1 = 14
x2 = 9
x1 = -9
Plug the points into the equation.
y2 - y1/x2 - x1
-2 - 14/9-(-9)
Next, simplify.
-16/18
-8/9
m = -8/9
Ответ:
To find the number of white flowers, use the constant of proportionality and the number of pink flowers per row. If Molly plants 4, 6, and 8 pink flowers in 3 rows, she has to plant 2, 3, and 4 white flowers in those rows, so there are twice as many pink flowers as white. MIDDLESCHOOLMATH