Answer:3,476
Step-by-step explanation: Just subtract them
84o students would be expected to play outdoor games for at least three hours every week.
The sample showed that 70% students played outdoor games for at least three hours every week. 70% of 1,200 is 840.
Answer:
1/4
Step-by-step explanation:
1 foot = 12 inches
the scale factor is 3" to 12" which simplifies to be 1/4
Using shells, the volume is
where
is the distance from any point in the region along the x-axis to the axis of revolution
, which makes up the radius of each shell; and
is the height of each shell, which is determined by the line
.
So the volume is