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Alexeev081 [22]
3 years ago
9

Two times the sum of half a number and six is four. Find the number.

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer:

The number is -8.

Step-by-step explanation:

2(\frac{1}{2}x + 6)=4\\ \frac{1}{2} x+6=2\\\frac{1}{2} x=-4\\x=-8

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Alex777 [14]
(-x^3+26x^2-7-13)+(6x^4-x^3+8x+27)\\\\=-x^3+26x^2-7-13+6x^4-x^3+8x+27\\\\=6x^4+(-x^3-x^3)+26x^2+8x+(27-7-13)\\\\=\boxed{6x^4-2x^3+26x^2+8x+7}
4 0
2 years ago
The volume of a packing box is 5 – x cubic feet. The width of the box is x feet and the length is x – 2 feet. The height is give
photoshop1234 [79]
By definition we have that the volume is given by
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3 years ago
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The formula to determine energy is E = 1/2mw? What is the formula solved for v?

Step-by-step explanation:

The formula to determine energy is E = 1/2mw? What is the formula solved for v?

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