Answer: D. f(x)=-34x+320
The line of best fit for the scatter plot shown would have a value of positive 320 when x=0 and it’s a drecreasing slope so it will need to have a negative x value.
f(x)=-34x+320
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Answer:
y = 140, x = 159
Step-by-step explanation:
Angle y:
we can find this angle by subtracting 40 from 180, 180-40 = 140 = y
Angle x:
Some measure of an angle plus angle b is equal to 180 degrees: 180-61 = 119
We can now find the measure of the third angle of the triangle: 180-(119+40) = 21
The third angle plus angle x is equal to 180: 180-21 = 159 = x