Answer:
−7≤a≤8
Step-by-step explanation:
Here's a quick step by step hope this helps!
A hemisphere of radius 9 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the cen
ter of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maximum volume.
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height=
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1 answer:
Answer:
The radius and height of the cylinder of maximum volume is 9 unit and 9 unit.
Step-by-step explanation:
Given that,
Radius = 9
According to figure,
Radius of cylinder = Radius of hemisphere
Center of cylinder base is also center of sphere.
Circular top of cylinder touching the top of hemisphere.
So, Height of cylinder = radius of hemisphere
Hence, The radius and height of the cylinder of maximum volume is 9 unit and 9 unit.
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Answer:
The random variable (number of toppings ordered on a large pizza) has a mean of 1.14 and a standard deviation of 1.04.
Step-by-step explanation:
<em>The question is incomplete:</em>
<em>The probability distribution is:</em>
<em>x P(x) </em>
<em> 0 0.30 </em>
<em>1 0.40 </em>
<em>2 0.20 </em>
<em>3 0.06 </em>
<em>4 0.04</em>
The mean can be calculated as:
(pi is the probability of each class, Xi is the number of topping in each class)
The standard deviation is calculated as: