The first working out is correct, z = 3
Answer:
Independant = onions wight. Dependent = cost.
Step-by-step explanation: The Cost depends on how much the onions weight.
Answer:
18 hours
Step-by-step explanation:
because 6 x 3 = 18!
Answer:
x = -9
Step-by-step explanation:
6 - 2/9x = 8
Subtract 6 from each side
6-6 - 2/9x = 8-6
-2/9 x = 2
Multiply each side by -9/2 to isolate x
-9/2 * -2/9x = 2*-9/2
x = -9
Answer:
c.
Step-by-step explanation:
That is the only answer choice that makes the most sense.
±10 = √100; in this case, they want the non-negative value, so it is 10.