Answer:
Erin will do 72 jumping jacks.
Step-by-step explanation:
We divide 54 by 3 to get Erin's per minute ratio
She gets 18 jumping jacks per minute
We then add that to 54 to get her rate if she did for 4 minutes instead
The answer is 72
hope this helped!
Answer:
She would use the mean.
Step-by-step explanation:
XZ=XY+YZ
JL=JK+KL
use the trigonometric values table or unit circle to calculate the expression
Answer:
Multiple choice?
Step-by-step explanation:
Your plate numbers will be like
where each 
is a number, and each 
is a letter. Assuming you can use all numbers and letters, you have 10 possible choices for every place (all the digits from 0 to 10) and 26 possible choices for every place (all the letters from a to z).
So, if you multiply all the possible choices, you have
So, there is a total of
possible plate numbers with 3 letters and 3 numbers, if repetitions are allowed.
