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Juliette [100K]
3 years ago
14

Expand the following expression(x - 1)(x + 1)(x + 1)​

Mathematics
2 answers:
AleksandrR [38]3 years ago
5 0

Step-by-step explanation:

abcdefghijklmnopqrstuvwxyz

larisa [96]3 years ago
4 0
The answer would be x^3 + x^2 - x - 1
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Answer:

x>-3-y

Step-by-step explanation:

subtract y from both sides

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A shipping service restricts the dimensions of the boxes it will ship for a certain type of service. The restriction states that
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Answer:

w =< 70

(width is less or equal to 70 inches)

Step-by-step explanation:

Let l = length, w = width, h = height

Restrictions given in this question:

'sum of perimeter of the base and the height cannot exceed 130 inches'

perimeter of the base is 2 width and 2 length of the box

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Therefore, inequality involves here is

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Then a new condition given with

height, h = 60 in

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l = 2.5w

Substitute this new condition into the equation will give us the following:

2w + 2(2.5w) + 60 =< 130

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7w + 60 =< 130

7w =< 130-60

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w =< 10

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What is math and what does it help in life?
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