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svetoff [14.1K]
3 years ago
11

Due today please help! Need help with 9 and 10! Will give a lot of points and brainliest!

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0

Answer:

9. C

10. A

Step-by-step explanation:

9. a/sinA = c/sinC

69/sin49 = 88/sinC

sinC = 0.9625281603

C = 74.26540014°

10. 30/Sin53 = 37/sinC

sinC = 0.9849837957

C = 80.05825382

B = 180 - 53 - 80.05825382

B = 46.94174618°

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Given:

Polynomial is 3x^2+15x-56.

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The sum of given polynomial and the square of the binomial (x-8) as a polynomial in standard form.

Solution:

The sum of given polynomial and the square of the binomial (x-8) is

3x^2+15x-56+(x-8)^2

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On combining like terms, we get

=(3x^2+x^2)+(15x-16x)+(-56+64)

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