A cone has radius 3.8 cm and height 7.6 cm. The radius and the height are doubled. Which of the following describes the effect on the volume
The volume is multiplied by 4.
The volume is multiplied by 1/8.
The volume is multiplied by 8.
The volume is multiplied by 1/4.

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample