Answer:
Step-by-step explanation:
Multiplying x+6y=-3 with 2 so its equal to first eqn,
Eliminating,
2x + 3y = 3 (1)
2x +12y = -6 (2) (because subtracting)
------------------
-9y =9
∴y=-1
eq. y in 1
2x -3=3
2x=3+3
x=6/2
=3
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Answer: -2
Step-by-step explanation:
Answer:
y = 36x
Step-by-step explanation:
Given that y varies directly as x, then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 18 when x = 
, thus
k = 
= 
= 36
y = 36x ← equation of variation
Answer:
14.85
Step-by-step explanation:
4.4 x 2.75 = 14.84
2.75
4.4
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(Multiply it out)
Answer:
11:25
Step-by-step explanation:
A quarter equals 25cents past 11.
11:25
