stodd9503
04.12.2019 •
Mathematics
Which of the following is true regarding the solutions to the logarithmic equation below?
2logg(x) = 2
10g6(x? ) = 2
x2 = 36
x=6,-6
x= 6 and x=-6 are true solutions
x=6 and x=-6 are extraneous solutions
x=6 is a true solution and x=-6 is an extraneous solution
x= 6 is an extraneous solution and x=-6 is a true solution
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Ответ:
Since the triangle is equilateral (you can tell by the tick on each side), all angles have the same measure as well.
The angles of a triangle sum up to 180 degress, so three equal angles must measure 60 degrees each.
So, in particular, we have
7x + 4 = 60 7x = 56 x = 8