Going against the current, a boat takes 6 hours to make a 120-mile trip. When the boat travels with the current on the return tr
2 answers:
Answer:
Step-by-step explanation:
Given: Going against the current, a boat takes 6 hours to make a 120-mile trip. When the boat travels with the current on the return trip, it takes 5 hours.
Clearly , it can be seen that when boat travels with current , it takes competitively less time.
i.e. the speed of the boat would increased by the current.
If x = the rate of the boat in still water and y = the rate of the current, then the expressions represents the rate of the boat going with the current will be :-
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Answer:
The real zeros of f(x) are x = 0.3 and x = -3.3.
Step-by-step explanation:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots such that
, given by the following formulas:
In this problem, we have that:
So
The real zeros of f(x) are x = 0.3 and x = -3.3.