a 5 digit number had the digits 0,5,7,9, and 0. to the nearest thousand, it rounds to 80000 what is the number? explain.
1 answer:
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Answer:
The graph shows that when x =3 both
and 5 – x equal 2
Step-by-step explanation:
The equation 13x + 1 = 5 – x can be solved by graphing y = 13x + 1 and y = 5 – x.
From the graph, the two lines representing the two equations intersect at (3,2).
This implies that the solution to the system
and
y=5-x
is x=3, y=2
Hence the value of the two functions equals 2 at x=3.
recall that cosine is positive on the I Quadrant, so though we get a ± valid roots, only the positive one applies.
now, for tangent and secant, let's rationalize the denominator.