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alexandr1967 [171]
2 years ago
15

Solve for x please. :)

Mathematics
2 answers:
hoa [83]2 years ago
7 0

Answer:

x = 105°

Step-by-step explanation:

Because x° and 75° are supplementary angles (sum equals 180°), we cand do 180° - 75° to find x.

180° - 75° = x

x = 105°

aksik [14]2 years ago
4 0

Answer:

x=105

Step-by-step explanation:

75+75+x+x=360

150+2x=360

2x=210

x=105

I hope this is correct and helps you!

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Is (x+7) a factor of f(x)= x^3-3x^2+2x-8
nikklg [1K]

Answer:

Step-by-step explanation:

Use synthetic division to answer this.  If the remainder is zero, then we can safely assume the divisor (x + 7) is a factor of the polynomial f(x)= x^3-3x^2+2x-8.

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     -------------------------

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Here, the remainder is -218, not zero, so no, (x+7) is not a factor of f(x)= x^3-3x^2+2x-8.

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