jeramiahirwin51
18.10.2019 •
Mathematics
The exterior walls of the regular pentagon shaped courthouse must be painted. each wall is 80ft by 18ft what is the surface area of the walls that are being painted
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Ответ:
Hello!
To find the x-intercept given the equation of a line, we substitute y for 0 and solve for x.
0=4x²-9
We add 9 to both sides.
9=4x²
We find the square root of both sides.
3=4x
We divide both sides by 4.
x=3/4
Therefore, our x-intercept is 3/4.
I hope this helps!