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Ahat [919]
3 years ago
14

What is 6 minus 4 over seven

Mathematics
1 answer:
aalyn [17]3 years ago
8 0
5 3/7 .. do you need to show your work?
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Guadalupe peak in Texas has an to ride that is 671 feet more than double the altitude of mount sunflower in Kansas. Write and ev
aniked [119]



(4039 + 4039) + 671 = 8749
Therefore the altitude of Guadalupe peak located in Texas is 8749 feet.
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Х<br> У<br> о<br> 12<br> 1<br> 8<br> N<br> 4<br> 3<br> о<br> 4<br> 4
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13

Step-by-step explanation:

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2 years ago
Matt's den is 10 feet longer than it is wide. If the dents area is 231 square feet, what are the dimensions of the room?
sashaice [31]

Answer:

21\: \mathrm{feet\: by}\:  11 \: \mathrm{feet}

Step-by-step explanation:

(Assuming the den is a rectangle)

Let x be the length of the den. Because the length is 10 feet longer than the width, the width of the den can be represented as x-10.

The area of a rectangle is given as l\cdot w, therefore we can form the following equation:

x(x-10)=231

Expanding this, we have:

x^2-10x=231, \\\\x^2-10x-231=0

This factors into (x-21)(x+11)=0, therefore x=21, \: -11.

Because -11 is extraneous, the length of the den is 21 feet and the width is 21-10=11. Thus, the dimensions of the den are \fbox{$21\: \mathrm{feet\: by}\:  11 \: \mathrm{feet}$}.

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3 years ago
What is 5x-7(x+3)+2x=-25
Svetradugi [14.3K]

5x - 7(x + 3) + 2x =  - 25 \\ 5x - 7x - 21 + 2x =  - 25 \\   - 2x - 21 + 2x =  - 25 \\  - 21 =  - 25
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Answer:

Step-by-step explanation:7

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