B. 5
Remove the parentheses
7+3i-2-3i
Since two opposites add up to zero, remove them form the expression
7-2
Subtract the numbers
5
Answer:
something
Step-by-step explanation:
Convert it into the y=a(x-h)+k form and the values of h and k are your vertex.
You can convert by completing the square method.
Answer:
6.28
Step-by-step explanation:
The length of arc which subtends an angle at the center of a circle is given by where r is the radius of circle.
______________________________
given
the central angle of arc is 120°
we will use value of as 3.14
r = 3
Length of this arc is
The length of the arc to the nearest hundredth of unit is 6.28