length of pipe= 30m
Inside dia. = 1.2m
Outside dia. = 1.8m
Volume of concrete= (outside dia. - inside dia.)h
V= (pi)
v= [(3.14*0.9*0.9)-(3.14*0.6*0.6)]30
v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube
since it's volume the answer 66.690 is in cubic meters.
0.125 or 1/8
hopes it helps you
If a jackal runs at 20mph, you multiply the speed by 1/5 to find 1/5 of a jackal's speed.
=20(1/5)
=(20*1)/5
=20/5
=4mph is 1/5 of a jackal's speed (assuming this is their speed)
Hope this helps! :)
The customary unit for liquid volume of a sink is gallon
The answer is 6 because a=8