Answer: Root 3 / 3
Step-by-step explanation: Use unit circle trigonometry.
Answer:
The sum of the roots is 0.5
Step-by-step explanation:
<u><em>The correct question is</em></u>
What is the sum of the roots of 20x^2-10x-30
we know that
In a quadratic equation of the form
The sum of the roots is equal to
in this problem we have
so

substitute
<u><em>Verify</em></u>
Find the roots of the quadratic equation
The formula to solve a quadratic equation is equal to


substitute





The roots are x=-1 and x=1.5
The sum of the roots are
----> is ok
Multiply original price by 90%
Answer:
this is your answer!! n=-3
Step-by-step explanation:
hoped i was able to help thank u can i get brainiest pls:)
Answer:
Hours: Elevation:
0 3000
2 2000
5 500
Step-by-step explanation:
Time is always placed on the x (horizontal) axis, and the dependent variable on the y. Just find the number given and find the corresponding value to go with it! Hope this helps :)