In the step after -6x+10=4x+20, he moved the terms incorrectly. you have to add 6x to both sides so it would be 10=4x+6x+20 which simplifies to 10=10x+20. subtract 20 from both sides to get -10=10x. divide both sides by 10. the answer is x=-1
Answer:
this is so easy
Step-by-step explanation:
I’m trying to do that too and I need an answer haha can someone please help us
Answer: e. .0950
Step-by-step explanation:
Let X be the number of people that can be cure from disease.
Since each people independently has a 40% chance of contracting the disease.
So , 
A hospital has the capacity to handle at most 8 cases of the disease.
Binomial distribution formula : 
Then , the probability that the hospital’s capacity will be exceeded
![P(X>8)=1-P(X\leq8)\\\\=1-0.905\ \ [\text{Using Binomial distribution table for n=15 , x=8 and p=0.4.}]](https://tex.z-dn.net/?f=P%28X%3E8%29%3D1-P%28X%5Cleq8%29%5C%5C%5C%5C%3D1-0.905%5C%20%5C%20%5B%5Ctext%7BUsing%20Binomial%20distribution%20table%20for%20n%3D15%20%2C%20x%3D8%20and%20p%3D0.4.%7D%5D)

Hence, the probability that the hospital’s capacity will be exceeded is e. .0950.
Thus , the correct option is e. .0950.
Factor the numerator and denominator then simplify.
6x^2 - 54 6(x^2 - 9) 6(x + 3)(x - 3) 6(x - 3)
-------------- = ------------- = ------------------ = ------------
5x^2 + 15x 5x(x + 3) 5x(x + 3) 5x
6(x - 3)
----------
5x