The coordinates A(2, 1), B17, 1), C(2, 4) form what type of polygon?
1 answer:
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The value of k is
Given:
x-y=k.............(eq i)
2x²+y²-15..............(eq ii)
We would make y the subject formula in eq ii
2x²+y²-15= 0
2x² + y²= 15
y²= 15-2x²
y= ...........(eq iii)
Substitute the value of y into eq i
x-(= k
x- (= k
k=
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Answer:
9%
Step-by-step explanation:
We can start by changing this number to a fraction.
We know that 100 is a whole percentage
Therfore, we would get 9%