Answer:
Idk what table your talking about but i remeber for this the answer was 4 minutes.
Step-by-step explanation:
Hello :
if cos? is positive and cot? is negative? in 4 <span>quadrant</span>
The value of k is
<h3>How to solve the simultaneous equation?</h3>
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= 
Read more about simultaneous equations here:
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The answer is 50625 because 5*3 is 15 and take that to the power of 4
-5.9, -4.6, -1/4, 1/2, 1.75, 2, 18, 21.