The answer is nine because eighteen subtract nine is nine
Answer:
C
Step-by-step explanation:
C. Both a function and a relation
<span>
<u><em>The correct answer is:</em></u></span>
<span>.
<u><em>Explanation</em></u><span>
<u><em>: </em></u>Since 1 out of 5 trays are purple, this means the fraction is </span></span>
<span>.
However, to find the number of trays out of 20, we multiply 20 by </span>
:
20*
=
.
Answer:
A Open circle at 6, line going to the right
Step-by-step explanation:
The area of a rectangle is given by
A = l*w
We know the area is greater than 24
24 < l*w
One dimension is 4
24 < 4*w
Divide each side by 4
24/4 < 4w/4
6 < w
The other dimension must be greater than 6
Open circle at 6, line going to the right
The standard deviation of a sample is proportional to 1/√N where N is the sample size. In this case we are decreasing N by half, so we can write:
1/√(N/2) = √2 / √N
If we say that our standard deviation is proportional to 1/√N, the difference that occurred from decreasing the sample size by half resulted in an increase in the standard deviation by a factor of √2.
Therefore, the standard deviation is multiplied by √2.