The simplified expression of is .
Solution:
Given expression is .
To simplify the given expression.
Using exponent rule:
Using another exponent rule:
Using exponent rule:
Hence the simplified expression of is .
Answer:
Step-by-step explanation:
The confidence interval for the population mean x can be calculated as:
Where x' is the sample mean, s is the population standard deviation, n is the sample size and is the z-score that let a proportion of on the right tail.
is calculated as: 100%-99%=1%
So,
Finally, replacing the values of x' by 308, s by 17, n by 15 and by 2.576, we get that the confidence interval is:
Answer:
hsuaiabshsisnsbkjwnsjns
Step-by-step explanation:
1828392919287382928whshsisnsjjs
sorry, i can't answer that question
Answer:
135 degrees
Step-by-step explanation:
135 degrees form the interior angle of a regular octagon
To know what kind of triangle is it. use the pythagorean theorem:
A^2 + B^2 = C^2,
where C is the longest side of the triangle
if it satisfies the equation then it is a right triangle
if it does not then A^2 + B^2 > C^2 so it is acute triangle
if A^2 + B^2 < C^2 it is obtuse triangle
18^2 + 13^2 ? 27^2
324 + 169 ? 729
493 < 729 so it is obtuse triangle