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snow_tiger [21]
3 years ago
5

If x2 + nx + 18 = (x + 9)(x + 2), what is the value of n?

Mathematics
1 answer:
mr Goodwill [35]3 years ago
4 0
Foil the right side. Multiply first, outer, inter, and the last terms. The right side is equal to x^2 + 11x + 18x. N is 11.
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Yuliya22 [10]
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Answers:

x = 6

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=======================

Explanation:

To find these values, you can use the general template of a 45-45-90 triangle or you can use trig ratios

tan(45) = 1

tan(angle) = opposite/adjacent

tan(45) = x/6

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sin(45) = 1/sqrt(2)

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sin(45) = 6/y

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