The answer is x=7
Hope this helps
Hope this helps
In the early months of some year, one site added 0.2 million new accounts every day. at this rate, how many days would be need
2 answers:
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Answer:
Step-by-step explanation:
Let suppose that airliners travel at constant speed. The equations for travelled distance of each airplane with respect to origin are respectively:
First airplane
Where t is the time measured in hours.
Since north and west are perpendicular to each other, the staight distance between airliners can modelled by means of the Pythagorean Theorem:
Rate of change of such distance can be found by the deriving the expression in terms of time:
Where and
, respectively. Distances of each airliner at 2:30 PM are:
The rate of change is:
Answer:
<h2>x = -2 and x = -10</h2>Step-by-step explanation: