Answer:
question 8 is 178cmcubed I think
Answer:
Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead
Step-by-step explanation:
Mariana workings:
-3(2x - 4) = -12
-6x - 12 = -12
Her error was multiplying -3 and -4 which gives +12 but she wrote -12 instead
-6x = 0
x=0
Correct workings:
-3(2x - 4) = -12
-6x + 12 = - 12
-6x = -12 - 12
-6x = -24
x = -24/-6
x = 4
Answer:
The answer is 25.
Step-by-step explanation:
150/6 is 25
I think that is the correct answer sorry I didn't answer before didn't see the problem.
Answer:
salini -= 5 years
mother = 40years
Step-by-step explanation:


then you equate the values of x