Answer:
Step-by-step explanation:
x^2+14x+45=0
x^2+(9+5)x+45=0
x^2+9x+5x+45
x(x+9)+5(x+9)=0
(x+9)(x+5)=0
either x+9=0 Or,x+5=0
x+9=0
x=0-9
x=-9
x+5=0
x=0-5
x=-5
therefore x=-9,-5
Answer:
Area of shaded region is 141.3 square inches
Step-by-step explanation:
It is given that,
A circle has an 18-inch radius and a shaded sector with a central angle of 50°
Area of circle = πr²
<u>To find the area of circle</u>
Area of circle = πr² = 3.14*18² = 3.14 * 18 * 18
Area = 1017.36 square inches
<u>To find the part of shaded region</u>
central angle of shaded region is 50°.
part of sector = 50/360 = 5/36
<u>To find the area of shaded region</u>
area of shaded region is 5/36th of total area of circle
Area of shaded region = 5/36(1017.36) = 141.3 square inches
Answer:
4+9=15
Step-by-step explanation:
