Answer:
Integers are always closed under subtraction, addition and multiplication, not division though. Hope this helped! :D
Step-by-step explanation:
Answer:
5.22
Step-by-step explanation:
18% = 18/100 or 0.18
18/100 * 29 = 522/100 or 5.22
Here the denominators are quadratics , so we need to factorise them first
1/(x²-5x) +3/(x²+2x-35)
factorising x²-5x ,
here GCF is x, so taking x out we have
x(x-5)
factorising x²+2x-35 using AC method,
we find factors of -35 that add up to give 2
(x-5)(x+7)
Since we have x-5 common in both denominators, so lcd of the rational expression will be product of x(x-5)(x+7)
lcd is x(x-5)(x+7)
Answer: 444
Step-by-step explanation:
2x2 - 11x - 40= 444
Converting to vertex form is actually pretty simple so I think you might find something to help you out here. :)
https://mathbitsnotebook.com/Algebra1/Quadratics/QDVertexForm.html
