Answer:
The margin of error is
Step-by-step explanation:
From the question we are told that
The number of student is
The highest amount is $200
The lowest amount is $75
The sample mean is &140
The Standard deviation of this set is mathematically evaluated as
Substituting values
The margin of error (ME) is mathematically evaluated as
Where is the critical value for i.e the significance level
From the critical value table this is
So
Answer:
y=3/4x-2
Step-by-step explanation:
Answer:
The value of the given expression is 84.
Step-by-step explanation:
The given expression is
The number 252 can be written as 240+12, because 24 can easily divisible by 3.
The compatible numbers are 240 and 12
Therefore the value of the given expression is 84.
Cot^2x - cot^2x cos^2x
= cot^2x - {(cot^2x)(cos^2x)}
= cot^2x { 1 - cos^2x }
= cot^2x { sin^2x }
= (cos^2x/sin^2x) { sin^2x }
= cos^2x
No, they are not equivalent.
5(2x - y) = 10x - 5y and it is not equal to 15x - 5y.
(using distribution property)