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vaieri [72.5K]
1 year ago
14

Tweleve is no less than the sum of a number n and 3

Mathematics
1 answer:
Blababa [14]1 year ago
7 0
I really wish I knew
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Find the height of a rectangular prism if the surface are is 288 square centimetres and the base has a length of 4 centimetres a
liraira [26]
The rectangular prism below is made up of 6 rectangular faces, and the faces opposite to each other are have an equal area.
The area of one of the faces is lxh or lh, and the area of the face opposite to it is also equal, so the area of those two equal faces is 2lh.
The area of the base of the prism is lxw, and the area of its opposite face is equal, so the area of those two equal faces is 2lw.
The area of the face in the left side of the prism is wxh, and the area of the face opposite to it is also equal, so their combined area is 2wh.
So, to find the total surface area of a rectangular prism, we’d add the sum of all the rectangular faces, so the formula of finding the surface area of a rectangular prism=
2lh+2lw+2wh
=2(lh+lw+wh)
Given,
Surface area of the rectangular prism=288 cm^2
2(lh+lw+wh)=288
2[4h+(4x9)+9h)]=288
4h+(4x9)+9h=288/2
4h+(4x9)+9h=144
13h+36=144
13h=144-36
13h=108
h=108/13
h=8.308 cm
Hope this helps!

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Represent root 3 on the number line​
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The length of a rectangle is twice it’s width. If the area of the rectangle is 98in^2, find its perimeter
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Step-by-step explanation:

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Lucas invests $12,500 in an account that earns 6.2% compound interest if Lucas does not make any additional deposits or withdraw
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Assuming it is compounded monthly, Lucas will have $28,128,737.86 in his account after 16 months. 
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Differentiate 2sin(5x-3)
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