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Kazeer [188]
3 years ago
12

The formula for the area of a trapeziod is A=1/2h(b1+b2), where b1 and b2 are both the bases and h is the height. Find the value

of h in terms A, b1, and b2. Justify your answer
Mathematics
1 answer:
Mice21 [21]3 years ago
7 0
Does it list what both of the bases are?
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1/2+1/4+1/8 what is this
koban [17]

Answer:

7/8

Step-by-step explanation:

1/2+1/4=3/4

3/4 + 1/8=7/8

8 0
3 years ago
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Solve : 3[3[3]-2] square 2 -3[6-4] square 2<br> please help me
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What did andrew do wrong??
Ivahew [28]
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8 0
3 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,

r^2+h^2=24^2 \\r^2+h^2=576\\r^2=576-h^2

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,

V_{max}= \frac{1}{3}\pi r^2 h = \frac{1}{3}\pi (\sqrt{384})^2 (8\sqrt{3}) = 5571.99

4 0
3 years ago
( 40 POINTS AND BRAINLIEST , HELP ASAP !!!!!!!!! )
Sphinxa [80]

Answer:

Daniel's is correct

Step-by-step explanation:

Daniel split the coin toss into Heads and Tails and has 3 sections for the spinner coming off of each coin toss branch.

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3 years ago
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