Answer:
29.64
Step-by-step explanation:
First we multiply 0.3 with 22.8.This will give us 6.84 which is the 30% off.Now we add 22.80 and 6.84 and we will get our answer 29.64.
Answer:
Joe is correct
Step-by-step explanation:
Given equation:

The exponent outside the bracket is a question mark and the students are trying to determine the value of the question mark.
For ease of answering, let y be the unknown number (question mark):

First, simplify the equation by applying exponent rules to either side of the equation:







Now, apply the exponent rule:

Therefore,

Finally, solve for y:



Therefore, <u>Joe is correct</u> as the unknown number is 6.
28/40 is the final answer
Answer:
F(x)=(x-3)(x+8)(x-11)=0
(x-3)=0, (x+8)=0, (x-11)=0
X=3
X=-8
X=11