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aleksandrvk [35]
3 years ago
5

29*47 in expanded algorithm

Mathematics
2 answers:
Tresset [83]3 years ago
7 0

Hey there! :D

So for this problem, we would do 20+9 x 40 + 7 which equals 1,363.

Hope it helps! :D

Kamila [148]3 years ago
6 0
20+9 x 40 + 7 which equals 1,363.
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127.50 = 1,500(0.0425) * x

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<span>x=2 </span>

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3 years ago
Do you guys support animal testing? (putting drug into animals to see how it affects them)
swat32

<em>I am against people doing this.</em>

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3 years ago
a pyramid whose altitude is 5ft weighs 800lbs. at what distance from its vertex must it be cut by a plane parallel to its base s
slavikrds [6]

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At distance of 3.97 feet from its vertex , pyramid is cut by plane  so that the two solids of equal weight will be formed.

<u>It is assumed that weight of pyramid is proportional to its volume.</u>

So,   w  = k V , where V is volume of original pyramid and v is volume of small pyramid and k is constant.

Let us consider that at h  distance,  pyramid is cut from its vertex. So a small pyramid is also formed.

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So, weight of small pyramid, w = k*(\frac{1}{3}* a* h)=400

<u>Since, base and height of small pyramid and original pyramid are in proportion.</u>

So,  \frac{a}{A}  = (\frac{h}{5}) ^{2}

       a = (\frac{h}{5} )^{2}A

Substituting value of a in  equation k*(\frac{1}{3}* a* h)=400

So, k*(\frac{1}{3}* \frac{h^{2} }{25}A * h)=400

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Since, (k *\frac{1}{3}  *A* 5) = 800, substitute in above equation.

    So, 800*\frac{h^{3} }{125}=400\\\\h^{3}=\frac{125}{2}\\\\h=\sqrt[\frac{1}{3} ]{62.5}\\\\h=3.97 feet

Learn more:

brainly.com/question/17950304

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I hope this is good enough:

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<span>NCn is always equal to 1. </span>
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