P and Q are non empty sets, such that n(P)=10 and n(Q)=6. Find the smallest possible value of n(PuQ)

your answer would be 12

10.416 m/s

step-by-step explantion:

distance=100m

time= 9.6s

average speed=100/9.6

=10.416 m/s

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!

6 cm

step-by-step explanation: