rubes08
08.07.2019 •
Mathematics
Find the value of k if it is known that the graph of y=kx+2 goes through point: p (−7, 12)
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Ответ:
x= -7 as it is the x coordinate.
y= 12 as it is the y coordinate.
The equation:
12 = k(-7) + 2
12 = -7k + 2
7k = 2-12
k = -10/7
Therefore, k = -10/7.
Hope it helps!
Ответ:
2π*2*3= 12π = 37.699
Step-by-step explanation:
surface area of a cylinder = 2 * π * radius * height