Answer:

Step-by-step explanation:
By using comparing the left hand side of the two given equations we have:

Best Regards!
Answer:
<em>(1,0) and (3,0)</em>
Step-by-step explanation:
The roots are always shown where the parabola crosses the x-axis.
In this particular graph, the parabola crosses at (1, 0) and (3, 0). Which means the roots are:
<em>x = 1 and x = 3</em>
Answer:


Step-by-step explanation:
Use the trigonometry formula

You are given that

Substitute into the first formula

Angle
is acute angle, then the sine of this angle is positive and

Answer and Step-by-step explanation:
7. 70 - 180 = 110
8. 39 - 180 = 141
9. 81 - 180 = 99
10. 81 - 180 = 99
11. 115 - 180 = 65
12. 41+36 = 77 - 180 = 103
x = answer