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raketka [301]
3 years ago
7

3. What is the shape of the cross section in

Mathematics
2 answers:
hram777 [196]3 years ago
7 0
ANSWER IS:


B. square
Mashutka [201]3 years ago
6 0
The answer is a square because the base is a square
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Serhud [2]
Easy

the easiest way is to imagine that you have a rectangle with a corner cut off
the area of the figure=area of rectangle-area cut off

area that was cut off was a triangle

area of rectangle=length times width
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so we draw imaginary lines like in attachment
find area of rectangle
legnth=9 inch
width=9 inch
area=9 times 9=81 in^2

triangle
the top part is ?+5=9, so the base of triangle=4
the side is ?+4=9, so the base is 5
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area=rectangle-triangle
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7 0
3 years ago
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Taya2010 [7]

Answer:

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Perchlorate is a chemical used in rocket fuel. People who live near a former rocket-testing site are concerned that perchlorate
ser-zykov [4K]

Answer:

H_1 : \mu  > 24.5

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