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djyliett [7]
3 years ago
13

Can u guys plz help me with my last 2 questionsssss. It’s 26 and 27

Mathematics
1 answer:
skad [1K]3 years ago
4 0
I think 27 is 1350 since you just multiply and add
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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!

8 0
3 years ago
3a) There were 25 red markers, 32 blue markers, and 38 green markers in a tub. Explain how you would construct a bar graph for t
Tema [17]

Answer:

Step-by-step explanation:

you would show x and y lines and title frequency to side and colours to bottom

0-40 on the y axis title is frequency

and on bottom graph put the colours. red blue and green always using equal intervals for names or time or colours along the x axis.  

5 0
2 years ago
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What is the answer to -1 3/5 ÷ 5/-6 ???
Anna007 [38]
Thats what I got. I hope it helps :)

3 0
3 years ago
Help please I don’t know how anyone understands this
Natalija [7]

lol it's so hard I can't proses

8 0
2 years ago
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What is the value of x ​
attashe74 [19]

Answer:

the answer is 82° because if u added 45+53+82 it would come out to be 180° which is the overall degrees of a triangle.

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3 years ago
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