When using factoring by grouping, the replacement terms will both have the same sign of the original middle term. If the last term is negative, then the signs of the factors will have one of each sign with the “stronger” number (the larger absolute value) matching the middle term. hope this helps
Answer:
Step-by-step explanation:
The area of a sector with measure 
in degrees is given by 
, where 
is the radius of the sector.
What we're given:
Solving, we get:
*Notes:
- units should be in square meters (area)
- the problem does not say whether to round or leave answers in term of pi, so you may need to adjust the answer depending on what your teacher specifically wants
Answer:
You mean 8 whole and 4/5 - 2/5?
It's 8 whole and 2/5 basically.
your answer is 2 1/3 or 7/3
Answer:
, 
Step-by-step explanation:
If 
is in standard position, then its direction is counterclockwise with respect to 
semiaxis. A vector is defined by its magnitude and direction, that is:
(1)
Where:
- Magnitude, no unit.
- Direction, measured in sexagesimal degrees.
If we know that 
and 
, then the resulting vector is:
Which is also equivalent to:
