Answer:
The area needed to be painted is approximately 301.44 square inches.
Step-by-step explanation:
The shape of a donut is represented by two concentrical circles, whose area is described by the following formula:
(Eq. 1)
Where:
- Total area of the donut, measured in squared inches.
- Area of the greater circle, measured in square inches.
- Area of the lesser circle, measured in square inches.
By using the definition of the area of the circle, we expand the equation above:
(Eq. 1b)
If we know that 
, 
and 
, the area needed to be painted is:
The area needed to be painted is approximately 301.44 square inches.
Answer:
$4.70
Step-by-step explanation:
assuming the commission is taken after sale is deducted, 15% of $275 is 41.25 so 15% off comes to $233.75 and 2% of that is $4.675 which when rounded brings commission up to$4.70
Step-by-step explanation:
Given
sin³ø cos ø + cos³ø sinø
= sin ø cos ø ( sin²ø + cos²ø)
= sinø cosø * 1
= sinø cosø
Hope it will help :)
Answer:
420
Step-by-step explanation:
Multiply length, times width, times height to get your answer.
7 times 12 times 5=420
