Answer:
Area of the shaded region = 6.88 cm²
Step-by-step explanation:
Area of the shaded region = Area of the rectangle - Area of the semicircle
Area of the rectangle = Length × Width
Length of the rectangle = AD = 8 cm
Width of the rectangle = OP = 4 cm [OP, OB and OC are the radii of the circle which are equal in measures]
Area of the rectangle = 8 × 4 = 32 cm²
Area of the semicircle = ![\frac{1}{2}\pi r^{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%5Cpi%20r%5E%7B2%7D)
= ![\frac{1}{2}\pi (OP)^{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%5Cpi%20%28OP%29%5E%7B2%7D)
= ![\frac{1}{2}\pi (4)^{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D%5Cpi%20%284%29%5E%7B2%7D)
= 25.12 cm²
Area of the shaded region = 32 - 25.12
= 6.88 cm²
SInce the 'growth factor' is 1.32, the 'growth rate' is .32 or 32%
![\frac{20}{100} = \frac{x}{50}](https://tex.z-dn.net/?f=%20%5Cfrac%7B20%7D%7B100%7D%20%3D%20%5Cfrac%7Bx%7D%7B50%7D%20)
Let's solve for x:
100x=1000
Divide by 100
x=10
You should expect to win 10 times.
Answer:
A. 3, 0, -3, -6
Step-by-step explanation:
The sequence with constant first differences is an arithmetic sequence. The sequence of A has a common difference of -3, so is an arithmetic sequence.
Answer:
8.5 (If just pure cars then 8.)
Step-by-step explanation:
To find this, just divide 68/8 to find how many cars are washed in an hour. Plugging it into a calculator, we find out that it is 8.5. If you need elaboration, just comment.