It would be:1/x = 1/40+1/52 = 13+10/520 = 23/520
x = 520/23 = 22.60 minutes
Answer:
x^3
Step-by-step explanation:
reciprocal is 1/(given value)
1/(1/x^3)
=x^3
x=4√5
y=12
z=6√5
is your answer look it once
2 1/2 (2.5)
Multiply all the numbers then divide by 1/2