Solution: We are given that the population of Virginia is 8 million.
Let x be the population of Nevada.
We are given population of Virginia is 2.8 million less than 4 times the population of Nevada.




The first step is to on both sides.
add 2.8
The second step is to on both sides.
divide 4
The population of Nevada is million.
2.7
Answer: There are 160 different rings.
Step-by-step explanation:
The question is missing, i guess you want to know the number of different rings that the jewelry has:
For the material we have 2 options.
For the stile we have 8 options
For the gem we have 10 options.
Now, the total number of possible combinations is equal to the product of the number of options for each selection, this is:
Combinations = 2*8*10 = 160
Answer:
let alpha be x and beta be y
Step-by-step explanation:
x+y= -b/a
x+y=-1/6
and xy= c/a
xy= -1/3
according to question
1/x+1/y -xy =(x+y)/xy-xy
(-1/6)/(-1/3)-(-1/3)
1/2+1/3
the answer is 5/6
It would be much easier if you attached a table. Anyway I know what you need to do. Just make an equation and put the numbers from the table given you in the task. And you'll solve it.