Write a triple integral in spherical coordinates for the integral of the function f (x comma y comma z )equals StartRoot (x squared plus y squared plus z squared )Superscript 11 EndRoot over the region inside the cylinder x squared plus y squared equals 16 ​, bounded below by the xy plane and bounded above by the cone

x

step-by-step explanation:

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.

first, let's see what the pattern is.

58 - x = 47

46 - x = 36

x = 9

so this means that the term after 25 is 25 - 9:

the next term in the sequence is 16.