Answer:
cos (theta) = √21/5
Step-by-step explanation:
sin (theta) = 2/5
(sin (theta))^2 = 4/25
4/25 + (cos (theta))^2 = 1
(cos (theta))^2 = 1 - 4/25 = 21/25
cos (theta) = √21/5
Answer:
3.625 is ans
Step-by-step explanation:
4.5+0.25_+1.125=3.625
Answer:
83
Step-by-step explanation:
tax plus tip is 35%
35% of 100 is 35
48 + 35 = 83
Divide 44 by the percentage:
44 / 0.55 = 80
44 is 55% of 80
4.) 180-25 = 155 a straight line cuts the circle in half (i.e 180 degrees) then subtract out the 25.