A) 12 h (3600 s/h) (100 J/s) = 4,320,000 J = 4.32 x 10 6 J
B) 4.32 x 10 6 J x .2 = 864,000 J light
C) 4.32 x 10 6 J (1kWh/3.6 x 10 6 J) = 1.2 kWh
Answer:
(8,-5)
Step-by-step explanation:
The slope of the line is -1/5, therefore one of the points is located at (8,-5)
Hope this helps!
Answer:The solutions are -3 and -6
Explanation:First we would need to put the equation in standard form which is:
ax² + bx + c = 0
This can be done as follows:
x² + 18 = -9x
x² + 9x + 18 = 0
By comparison, we would find that:
a = 1
b = 9
c = 18
Now, to get the roots, we would use the quadratic formula shown in the attached image.
By substitution, we would find that:
either x =

or x =

Hope this helps :)