Answer:
16
Step-by-step explanation:
20^2-12^2=256
400-144=256
sqrt 256 = 16
Answer:
if f(x) = ax + b then f-1(x) = (x - b)/a
Step-by-step explanation:
Now
f(x)=ax + b
then y = ax + b
interchanging x and y , we get
or, x = ay + b
or, x - b = ay
or, (x - b)/a = y
therefore,f-1(x) = (x - b)/a
Answer:
268
Step-by-step explanation:
Answer:
Es igual a 28,32
Step-by-step explanation:
Because this is yhe formula to subtract the porcent
Answer:
15/4
Step-by-step explanation: