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2 years ago

For what real life situation might you calculate -8 + 12

2 answers:

7 0

Answer: Where you are 8 meters below sea level and you have to rise 12 meters from 8 meters below sea level. Hope this helps!

Step-by-step explanation:

Rashid [163]2 years ago

3 0

Answer:

<h3>When u have a bank account and are 8 dollars below proficiency and you add 12 dollars to your bank account</h3>

Step-by-step explanation:

add 12 to -8

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It's 2000ft/h

Step-by-step explanation:

6000/3 = 1 hour rate

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2 years ago

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3 years ago

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Find the surface area and volume of the pyramid.

serious [3.7K]

Given:

The figure of a square base pyramid.

To find:

The area of volume of the pyramid.

Solution:

The area of square base is:

$B=(side)^2$

$B=(16)^2$

$B=256$

Area of one triangular side of the pyramid is:

$A_1=\dfrac{1}{2}\times base\times height$

$A_1=\dfrac{1}{2}\times 16\times 13$

$A_1=104$

Now, the total surface area of the pyramid is:

$A=B+4A_1$

$A=256+4(104)$

$A=256+416$

$A=672$

Therefore, the surface area of the pyramid is 672 square m.

The volume of the pyramid is:

$V=\dfrac{1}{3}Bh$

Where, B is the base area and h is the vertical height of the pyramid.

Substituting $B=256,\ h=6$ , we get

$V=\dfrac{1}{3}(256)(h)$

$V=(256)(2)$

$V=512$

Therefore, the volume of the pyramid is 512 cubic meters.

Hence the correct option is d.

6 0

2 years ago