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Anvisha [2.4K]
3 years ago
9

ILL GIVE YOU ALL MY POINTS FOR THIS EASY QUESTION!!!!!!

Mathematics
1 answer:
frutty [35]3 years ago
4 0

Answer:

  • h = (S- 2πr²)/(2πr)

Step-by-step explanation:

<u>Given</u>

  • Formula S = 2πr² + 2πrh

<u>Solve for h</u>

  • S = 2πr² + 2πrh
  • 2πrh = S - 2πr²
  • h = (S- 2πr²)/(2πr)
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What is the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y = 27 - x2?
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The answer is 54 square units.
let the vertex in quadrant I be (x,y) 
<span>then the vertex in quadratnt II is (-x,y) </span>
<span>base of the rectangle = 2x </span>
<span>height of the rectangle = y </span>
<span>Area = xy </span>
<span>= x(27 - x</span>²<span>) </span>
<span>= -x</span>³<span> + 27x </span>
<span>d(area)/dx = 3x</span>²<span> - 27 </span><span>= 0 for a maximum of area </span>
<span>3x</span>²<span> = 3 x 3</span>² = <span>27 </span>
<span>x</span>²<span> = 9 </span>
<span>x = ±3 </span>
<span>y = 27-9 = 18 </span>
So, the largest area = 3 x 18 = 54 square units
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Four members of a tennis team equally shared 2 granola bars at the end of practice. how much of a granola bar did they get?
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Question 3 of 10
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The tangent on the unit circle is y/x

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