Answer:
A 20:4
Step-by-step explanation:
20:4hdhahahashhdhrhrjrj
Answer:
<h2>if y varies directly with x and y</h2>
y=kx
y is given 6
so , 6= k ×2
K = 6/2
so its answer is (C). 3
Answer: Yes A is correct
Step-by-step explanation:
Multiply the first equation by 3...
2x+3y=k+1 needs to be subtracted by 3x+3y=3k
which equals -x=-2k-1
Then you can multiply the equation by -1 to make them all positive. Resulting in x=2k+1
D!!!!!!!!!!!!!!!!!!!!!!!!!!!