Joseph traveled from Boston to Framingham at 50mph and then back to Boston at 40mph. What was Josephs's average speed on the rou
2 answers:
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Answer:
x = 2k is the solution of this equation.
Step-by-step explanation:
This question is related to trigonometric equations.
The given equation is,
We have to find the solutions of this equation.
Put
+ 3cosx - 1 = 2
= 0
For this equation only cosx = 1 is possible solution.
Cosx = 1 happens when x is a multiple of 2
So x = 2k is the solution of this equation.
Answer:
51
Step-by-step explanation:
A = Surface area of the Earth =
Total number of people on Earth = 7.594 billion as of 2018 =
We need to find the number of people living in each square km of land area.
So, we need to divide the number of people by the land area of the Earth.
So, 51 people will inhabit each square km of land area.