X = - 6 :)
i calculated it
4x - 3 = 9
4x = 9 + 3
4x = 12
x = 3
hope that helps, God bless!
Answer:
5.8
Step-by-step explanation:
tangent = opposite over adjacent
10*tan(30) ≈ 5.774
round to the nearest 10th
5.8
Answer:
The polynomial is:

Step-by-step explanation:
A third degree polynomial can be written in function of it's zeros
the following way:

In which a is the leading coefficient.
Integer coefficient that have zeros: 1+2i, 1-2i, -4
Leading coefficient: 1
So




Since 




Answer: 14.7 (Rounded)
Work: So since (2 x 10) / 1/3 is in parentheses, I'm going to to that first. And since (2 x 10) is in parentheses in a parentheses, I'm going to do that multiplication first. After doing the multiplication, I get 20, and I'm going to divide it by 1/3 since it's in the parentheses. After dividing, I get 6.666..., But I'm going to round it to 6.7. Then, I'm going to add 6.7 by 8, and I got 14.7
<em>I hope this helps, and Happy Holidays! :)</em>