Answer:
Step-by-step explanation:
(5x^3+4x^2)−(6x^2−2x−9)
To find the opposite of 6x^2−2x−9 find the opposite of each term.
5x^3+4x^2−6x^2+2x+9
Combine 4x^2 and 6x^2 to get −2x^2.
5x^3-2x^2+2x+9
Can y'all help me with my math problem please
1 answer:
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Answer:
the answer is , and -
which is C.
Step-by-step explanation:
well I got that answer by doing this
we have = 5
For = f (a) the solutions are x =
, -
so in this case the solutions are , and -
HOPE THIS HELPS :)
Answer:
The margin of error for a 90% confidence interval is 16.4
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 25
Standard deviation = 50
Margin of error =
Putting the values, we get,
Thus, the margin of error for a 90% confidence interval is 16.4