Answer: 23
Step-step by explanation:
w(w+4)=437
w^2+4w-437=0
(w+23)(w-19)=0
w=19,-23
w<19
l<23!!
She will save $45 dollars a week the working is
150÷10
=15
30%=15×3
$45
His estimate is not reasonable because he would have to be more descriptive in order to have his answer justified
Answer:
2i-3
Step-by-step explanation:
2(x+3)²=-8
(x+3)²=-4
x+3=2i
x=2i-3
Y - 4.5 = 12.2
your solving for y which means your trying to get rid of 4.5 so that y can equal something. The opposite of -4.5 would be +4.5, so you would add 4.5 to both sides to get
y = 16.7
So your answer would be
A. Add 4.5
and also dont' say your stupid because all you need is a little explanation and you'll get it, its very easy you just need to take the time to practice :-)