Answer:
2
Step-by-step explanation:
For this case we have the following equation:
Let
We have:
By definition, given an equation of the form
The quadratic formula, to find the solution can be written as:
In this case we have:
Substituting in the quadratic formula we have:
See attached image
Answer:
Option B
Answer:
a10 b10
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
If 12 pencils are 1.25, 24 would be 2 x 1.25. And 4 notebooks worth 0.65 would be 4 x 0.65
Added up, this expression is:
(2 x 1.25) + (4 x 0.64)