12.6666667 is your answer
Answer:
Step-by-step explanation:
Given that Majesty Video Production Inc. wants the mean length of its advertisements to be 30 seconds
Let X be the mean length of advts.
X is N(30, 2)
n =16
Std error of sample = 2/sqrt 16 = 0.5
The sample mean also will be normal with mean -30 and std dev = 0.5
So bell shaped symmetrical and uni modal
B) Parallelogram JKLM is translated and then dilated
as well as c
C) Parallelogram JKLM is dilated and translated
C is the best answer because is size is changing. In all the others nothing is changing except the position which remains congruent and similar but C does not . The sizes changes which makes them not congruent but still similar.
3574 it’s the number of books each kids has
Answer:
x = 1
Step-by-step explanation:
-5x+2(7x)=9
-5x+14x=9
9x=9
x=1
also you can use math_way to help solve this
Have a great day!