Answer:
x=180-68=112
So A and B are not correct.
180-112-27=41
y=41
So, C.
The first one is right because the mean is the average so it has to be in between. Usually. Hoped this helped!
Answer:
3.6 km
Step-by-step explanation:
total distance covered = distance covered x time taken
<h3>=0.9×4=3.6km</h3>
Answer:
The numbers are 19 and 5
Step-by-step explanation:
Given
Let the numbers be 
So:
--- First statement
--- second statement
Required
Find x and y
Substitute
in 


Rewrite as:
Expand

Factorize


Solve for y
or 
or 
or 
Since the numbers are positive, we take only:

Substitute
in 



<em>The numbers are 19 and 5</em>
Answer:
The height is 5 units
Step-by-step explanation:
The area of a triangle is
A = 1/2 bh where b is the base and h is the height
30 = 1/2 (12) h
30 = 6h
Divide each side by 6
30/6 = 6h/6
5 = h
The height is 5 units