Answer:
try nine to the seventh power
Step-by-step explanation:
tell me if it works
Mr Jones typed 40 * 10 = 400 words.
Mrs Gonzales took 400 / 50 = 8 minutes to type same number of words.
Parameterize the surface (call it

) by

with

and

, which yields

Then the area of

is given by the surface integral
The easiest way to find that answer is to look at the solution that I just gave you for the same ball traveling at 30 M/Sec, and just substitute 20 in place of 30 in that solution.
Answer:
20
Step-by-step explanation:
Given data
Let the number of magic tricks be x
we are told that she knows 70% of card trick which is 14 card tricks
hence we have
70/100*x= 14
0.7x= 14
x= 14/0.7
x=20
Hence the number of magic tricks she knows is 20