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Naily [24]
3 years ago
14

Help! Will give BRAINLIEST!! 20 POINTS!

Mathematics
2 answers:
tankabanditka [31]3 years ago
8 0
I got 2400 because 120 x 80 = 9600 divided by 4 = 2400 idk i may be wrong 
this is my sister's account she quit
zimovet [89]3 years ago
7 0
The answer would be  2400ft 
why:
120 x 80 : 9600 
9600 divide by 4 (becuz there are 4 sides ) is 2400
hope this helps though!!
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1/1/2 is the answer ............
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Which equation shows<br><br> equation shows y = - 3x +4<br><br> x + 4 is in standard form?
svet-max [94.6K]

Answer:

7x-y=-4

Step-by-step explanation:

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2 years ago
Among all right circular cones with a slant height of 24​, what are the dimensions​ (radius and​ height) that maximize the volum
aleksklad [387]

Answer:

5571.99

Step-by-step explanation:

We need to use the Pythagorean theorem to solve the problem.

The theorem indicates that,

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Once this is defined, we proceed to define the volume of a cone,

v=\frac{1}{3}\pi r^2 h

Substituting,

v=\frac{1}{3} \pi (576-h^2)h\\v=\frac{1}{3} \pi (576h-h^3)

We need to find the maximum height, so we proceed to calculate h, by means of its derivative and equalizing 0,

\frac{dv}{dh} = \frac{1}{3} \pi (576-3h^2)

\frac{dv}{dh} = 0 then \rightarrow \frac{1}{3}\pi(576-3h^2)=0

h_1=-8\sqrt{3}\\h_2=8\sqrt{3}

<em>We select the positiv value.</em>

We have then,

r^2 = 576-(8\sqrt3)^2 = 384\\r=\sqrt{384}

We can now calculate the maximum volume,

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Answer:


Step-by-step explanation:



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8 0
3 years ago
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