You have to factor this...
So you have started with this...
x²-x-2=0
If you factor this you will get
(x+1)(x-2)=0
This gives you two solutions...
x=-1, x=2
Hope this helps! Give me a five-rate and a thanks!
Answer:
-2
Step-by-step explanation:
(-5) + (+3)
= -5+3
= -2
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The average income for the household that is surveyed should represent the sample data is not relevant.
The information that should be considered as follows:
- The level of the income of the household represents the parameter of the population.
- The total income for the household that is surveyed represents the statistics of the sample.
- The household i.e. surveyed is relevant for the sample of the total population that lives in the zip code.
Therefore we can conclude that the average income for the household that is surveyed should represent the sample data is not relevant.
Learn more about the income here: brainly.com/question/14732695
Answer:
-4
Step-by-step explanation:
-4 + 11 = 7
try to solve it on a calculator to see for yourself
3.14=r
d= 3.14*2
d= 6.28
Area = 3.14*(6..28)^2
=3.14*39.43
Area = 123.83
