<span>3x+ 2y+7 -5x+7y
= -2x + 9y + 7
hope it helps</span>
Answer:
z^3
Step-by-step explanation:
Z cubed is Z X Z X Z = Z^3
Twenty-five times two = fifty
Answer:
y = 36x
Step-by-step explanation:
Given that x and y vary directly then the equation relating the is
y = kx ← k is the constant of variation
To find k use the condition x =
, y = 12, then
k =
=
= 12 × 3 = 36
y = 36x ← equation of variation
Answer:
0.078 liters
Step-by-step explanation:
78ml=78/1000L
78ml=0.078ml