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2 years ago

1) Fill the two pools below with water.

Mathematics

2 answers:

Orlov [11]2 years ago

6 0

1750+600 so around
2350 feet squared of water

zzz [600]2 years ago

3 0

Area of any triangle:
A = 1/2 b h

The dimensions are the b and h, it doesn't matter which is which since you're multiplying.
isosceles: A = 1/2(20)(35) = 350ft²
equilateral: A = 1/2(40)(60) = 1200ft²

Multiply each by 5ft to get the volume
350ft² * 5ft = 1750ft³
1200ft² * 5ft = 6000ft³

Add those together to get 7750ft³ of water.

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2 years ago

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Natali [406]

Answer:

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3 years ago

Which is different? Find "both" answers.

zimovet [89]

Answer : The different is, find BC - AC and find AC + CB, find AB and find CA + BC are same.

Step-by-step explanation :

As see that, AB is a line segment in which point C is represented in between the line.

As we are given that:

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3 years ago

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$\displaystyle\iiint_R\mathrm dV=\int_{\theta=\pi/2}^{\theta=3\pi/2}\int_{r=0}^{r=7}\int_{z=r\cos\theta}^{z=0}r\,\mathrm dz\,\mathrm dr\,\mathrm d\theta$
$=\displaystyle\int_{\theta=\pi/2}^{\theta=3\pi/2}\int_{r=0}^{r=7}-r^2\cos\theta\,\mathrm dr\,\mathrm d\theta$
$=-\displaystyle\left(\int_{\theta=\pi/2}^{3\pi/2}\cos\theta\,\mathrm d\theta\right)\left(\int_{r=0}^{r=7}r^2\,\mathrm dr\right)$
$=\dfrac{2\times7^3}3=\dfrac{686}3$

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2 years ago

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Pani-rosa [81]

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2 years ago

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