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Anon25 [30]
3 years ago
10

Expand and simplify (x + 1)(x + 7)

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0

Answer: 10x + 7

Step-by-step explanation:

multiply everything

2x + 7x + x + 7

combine like terms

10x + 7

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By using a change of units, we can see that the rate in dollars per liter is:

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Here we have a rate in dollars per cubic foot, and we want to rewrite this in dollars per liter. So we just need to apply a change of units.

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Which of the following sets of ordered pairs satisfies a linear function? a. (-1,5), 2,10), (3,15), (4,18), (5,22) b. (2,4), (4,
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