Answer:
Step-by-step explanation:
remaining cups = total cups - used caps
let remaining cups be = x
total cups = y = 8
used cups = z=
Hence x = y-z
x = 8 -
= -
=
=
=
x=
Remaining cups =
-10 = x - 21 PLS AND THANK U
2 answers:
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1. N is a midpoint of the segment KL, then N has coordinates
2. To find the area of △KNM, the length of the base MK is 2b, and the length of the height is a. So an expression for the area of △KNM is
3. To find the area of △MNL, the length of the base ML is 2a and the length of the height is b. So an expression for the area of △MNL is
4. Comparing the expressions for the areas you have that the area is equal to the area
. This means that the segment from the midpoint of the hypotenuse of a right triangle to the opposite vertex forms two triangles with equal areas.
Answer: A. Mean of sampling means
Standard deviation of sampling means =
B. The probability that your sample has mean less than 165 is 0.1492 .
Given : The distribution of blood cholesterol level in the
population of young men aged 20 to 34 years is close to normal with
mean Mg/dl and standard deviation
mg/dl.
Sample size : n= 150
Let sample mean values.
A. The mean and the standard deviation of the distribution of the sampling means would be :
Mean of sampling means =
Standard deviation of sampling means =
The probability that your sample has mean less than 165 would be
Hence , the probability that your sample has mean less than 165 is 0.1492 .