Answer:
https://youtu.be/R0A-fEUWv1Y
Step-by-step explanation: I found this vid just watch this I hope it helps (just copy and paste)
Answer:
73.131
Step-by-step explanation:
T=
s(s−a)(s−b)(s−c)
T=
20.9(20.9−15)(20.9−17)(20.9−9.81)
T=
5348.14
=73.13
Answer:
64 gallons
Step-by-step explanation:
Ask yourself; if
16gallons = 1minute
? = 4minutes
Cross multiply;
(16 × 4) ÷ (1) = 64
The mean of the answer is 20.5 because you add all of the number together and divide by 6 because there's 6 numbers.
I'm sorry, but I don't know how to do the standard deviation...
Hope this helped!