Answer:
The original price is $50. The student's mistake in the equation is that he should have done 7.5/0.15
The student should not have multiplied, instead divided. He also didn't put 15 in a decimal form, which would have messed the whole equation up.
Answer:
the answer is 2.
Step-by-step explanation:
i dont know how to explain sorry
Answer:
8
Step-by-step explanation:
Answer:
f(3) = 0
Step-by-step explanation:
By the factor theorem.
If (x - h) is a factor of f(x) then f(h) = 0
Here the factor is (x - 3), with h = 3, thus
If (x - 3) is a factor of f(x) then f(3) = 0
