9xy2-6x2y+5x3. Change every sign in the equation as if you were multiplying each part by -1.
Answer:
The standard deviation of the sampling distribution of x overbarx, denoted sigma Subscript x overbarσx, is called the standard error of the mean . The standard deviation of the sampling distribution of x overbarx, denoted sigma Subscript x overbarσx, is called the standard distribution of the sample.
Step-by-step explanation:
The standard error (SE) of a statistic is the standard deviation of its sampling distribution or an estimate of that standard deviation. It is called the standard error of the mean (SEM) if the parameter or the statistic is the mean.
Answer:
She will get 1.52 back in change
Step-by-step explanation:
We need to subtract the amount of the purchase from the 10 dollars
I like to line it up vertically.
10.00
- 8.48
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We need to borrow
9. 100
- 8. 48
-------------
And borrow again
9.9 10
- 8.4 8
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1 . 5 2
She will get 1.52 back in change
There are 4 faces on a triangular pyramid
so total surface area = 4 x area of each face = 4 x 66
= 264 sq mm
