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Anna11 [10]
3 years ago
13

How do you show work for 8 divided by 412

Mathematics
2 answers:
fredd [130]3 years ago
6 0

       51 r 4
8|  412
     40
     ___
       12
        8
    _____
         4


okay, So you do 8x5=40

so you put the 5 on top and the 40 under the 41.

you subtract and get 1

from there you bring down the 2 and have 12.

The closest thing to 12 is 8x1 which is 8

SO you put 1 on top and 8 under 12 and subtract that

you then get a remainder of 4



I'm not sure if you can have remainders or not on your work, but if you need it without the remainder just comment :)
IrinaK [193]3 years ago
5 0
So, the equation would be 8/412. I wish I would show you the work, but I don't know how to. The answer is 0.019.
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If a² + b² = z and ab = y, which of the following is equivalent to 4z + 8y? Show all the steps.
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Answer:

The answer to your question is:       (2a + 2b)²

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Which is equivalent to 4z + 8y ?

Substitution

                                     4(a² + b²) + 8(ab)

Simplify                        4a² + 4b² + 8ab

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3 years ago
The diagram below gives the dimensions of a swimming pool. 18 ft , 20ft, 36ft (c) What is the total area of the swimming pool? E
WARRIOR [948]
The picture in the attached figure

Part 1) <span>What is the total area of the swimming pool?
</span>
we know that
<span>area of the swimming pool=area rectangle-area semi circle

area rectangle=20*36-----> 720 ft</span>²

area semicircle=pi*r²/2
r=18/2----> 9 ft
area semicircle=pi*9²/2----> 127.17 ft²

area of the swimming pool=720 ft²-127.17 ft²----> 592.83 ft²

the answer Part 1) is
The area of the swimming pool is 592.83 ft²

Part 2) <span>What is the perimeter of the swimming pool?
</span>
perimeter of the swimming pool=perimeter of rectangle-18 ft+perimeter semi circle
perimeter of rectangle=2*[20+36]---> 112 ft

perimeter semi circle=2*pi*r/2----> pi*r
r=9  ft
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 so
perimeter of the swimming pool=112 ft-18 ft+28.26 ft----> 122.26 ft

the answer Part 2) is
122.26 ft

6 0
3 years ago
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