Answer:
D. 14448
Step-by-step explanation:
S = Base area + lateral surface area
=2*(1/2*(56*42)) + (56+42+70)*72
= 2352 + 12096
= 14448
Since the sphere is located at the center and has radius 5.
Out of the following given points,
(5,5,-5) will lie on the sphere, where x and y coordinates will be positive and z coordinate will be negative.
This is because the radius of the circle is 5 units.
33.4 kW/ hr is generated when the sky is cloudy and clear.
<u>Step-by-step explanation:</u>
Power generated per day when the sky is cloudy = 400 kW
Power generated per day when the sky is clear = 400 kW
Power generated per hour when the sky is cloudy or clear = 
Power generated per hour when the sky is cloudy and clear = 16.7 + 16.7 = 33.4 kW
Answer:
$879.19
Step-by-step explanation:
I'm not sure how you got that, but here's what I did.
To calculate tax:
Cost before tax * Tax% = Tax
$815.95 * 7.75% = $63.24
To calculate cost after tax:
Tax + Cost before tax = Cost after tax
$63.24 + $815.95 = $879.19