Answer:
A
Step-by-step explanation:
sin θ=3/8
θ=sin ^{-1}(3/8)
≈22.02 °
1. -3
2. 28
3. 88
4. -5
5. -28
True
1/2 (up the hill) - 1/2 (down the hill) = 0
We need the perimeter of the window for framing
The window is in the shape of a rectangle with the height of

feet and width of

. The diagram of the shape is shown below
The perimeter of a shape is obtained by adding up the length of all the sides that form the shape.
The perimeter of the window is

=
We have two whole numbers 18 and 12 and two fractions

and

Adding the two fractions that have different denominator

, which is an improper fraction which we can change into a mixed number

So the perimeter of the window is
and the length of wood needed for the frame is

feet
Answer:P(red) = 4/15 P(black) = 6/15 P(red or black) = 4 / 15 + 6 / 15 = 10 / 15 = 2 / 3
Step-by-step explanation
big math