9514 1404 393
Answer:
17.5
Step-by-step explanation:
The sum of the 5 numbers is 5·10 = 50.
The sum of the 15 numbers is 15·20 = 300.
The sum of all 20 numbers is then 50+300 = 350, so their mean is ...
mean = sum/number = 350/20 = 17.5
The combined mean of the 20 numbers is 17.5.
Answer:
$19.55
Step-by-step explanation:
17*0.15=2.55
17+2.55=19.55
Answer:
The angle z is 130 degrees.
Step-by-step explanation:
A straight line is 180 degrees.
Now think about how that line looks, you cut 50 degrees off of the whole 180.
So the equation is 180-50=z
z=130
I hope I have been of assistance to you, have a good day.
Answer:
A
Step-by-step explanation:
b*h*1/2
8*5.5*1/2
=22
Well bud what lake are we talking about here
