x= 20
Step-by-step explanation:
2x + 60 = 100
> subtract 60 both sides
2x = 40
> divide both sides by 2
x= 20
20
Step-by-step explanation:
2x+60=100
-60
2x=40/2
x=20
Option C. Manuel's argument is correct; Paul used the incorrect formula to find the volume of square pyramid X.
Step-by-step explanation:
step 1
Find the volume of Cone W
The volume of the cone is equal to
where
B is the area of the circular base
h is the height of the cone
Find the area of the base B
we have
substitute
Find the volume
step 2
Find the volume of the square pyramid
The volume of the square pyramid is
where
B is the area of the square base
h is the height of the pyramid
we have
> is the same that the cone W
> is the same that the cone W
so
substitute
therefore
Manuel's argument is correct; Paul used the incorrect formula to find the volume of square pyramid X.