Answer: The circles B and D are similar because B can be mapped onto D by a translation of 8 units to the right and 1 unit down, followed by a dilation about its center by a scale factor of 0.5.
I would say she is 4. i hope this helps
Answer: The chances are of the probability = 0.0001
Step-by-step explanation:
The normal distribution can be described completely by the two parameters µ and σ.
As always, the mean is the center of the distribution and the standard deviation is the measure of the variation around the mean.
Please find the attached file for the solution
Answer: x is 20
Step-by-step explanation:
This is ratio
a : c = b : x and d : unknown
a : c = 9 : 12 = 3 : 4 which is 9/12
b : x = 15 : x which is 15 / x
So the proportion will be :
3/4 = 15/x
So Cross multiplying
3x = 90
Divide both side by 3
x = 90/3
x = 20
Answer:
B- y=-3
Step-by-step explanation: