Prove equivalence
Fix an integer n ≥ 2. Define the relation ≡ on the integers via a ≡ b(mod n) (where a, b ∈ Z) if and only if n|(a - b). Prove that ≡ is an equivalence relation on the integers. prove equivalence relation, is it be a≡b? what we should prove?
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4. Consider a glass factory that can produce four different kinds of glasses: beer, wine, drinking, and schnapps. Glass manufacturing uses machine hours, labour, and sand as its main inputs.
an operator at a wastewater treatment plant decided to increase the SRT from 5 days to 10 days. How will this change affect: a) the oxygen requirement b) MLVSS in the aeration tank.
Induces a surjective homomorphism of fundamental groups.
for sizing the syst em, the mean cell residence time is selected to be 5 days. the reactoer kinetic constants are u max= 2.4 d^-1 (1/day), Ks=75 mg/L as COD, Y=0.4 VSS/g COD and Kd=0.096 d^-1(1/day)
Prove equivalence relation
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A trapezoidal channel has a bottom width of 5 feet, a slideslope (horizontal:vertical) of 2, and a depth of flow of 4 feet. The elevation of the channel bottom drops 2 feet every 1000 feet of horizontal distance traveled.
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