Answer:
20.25
Step-by-step explanation:
45x.40=20.25
Answer: 0.72
Step-by-step explanation: 72/100 of the block are shaded. The decimal form of that fraction is 0.72
Let c=cost of chicken and d=cost of duck; 50c+30d=550 and 44c+36d=532.
So 5c+3d=55, 11c+9d=133.
Therefore 15c+9d=165, subtracting 11c+9d=133 we get: 4c=32 so c=8.
5c+3d=40+3d=55, so 3d=15 and d=5.
Cost of chicken is $8 and cost of duck is $5.
Answer:
x = 19
Step-by-step explanation:
Since DF is an angle bisector then it divides the opposite sides into segments that are proportional to the other 2 sides, that is
=
, substitute values
=
( cross- multiply )
22.5(x - 9) = 225 ( divide both sides by 22.5 )
x - 9 = 10 ( add 9 to both sides )
x = 19

The distance traveled by the particle is given by the definite integral

where

is the path of the particle. The distance is then