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Radda [10]
3 years ago
6

Subtract 11b^2-4b+7 from b^2+8b-9

Mathematics
1 answer:
deff fn [24]3 years ago
4 0

Answer:

(b^2 + 8b - 9) - (11b^2 + 4b -7)

b^2 + 8b - 9 - 11b^2 - 4b + 7

- 10b^2 + 12b -16

pls mark as brainliest. . . .

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Answer:

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Step-by-step explanation:

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To find the third angle of the triangle (BAC), use the expression:

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60

So, the third angle in the triangle is 60 degrees. Looking at angle DAB, you can see that it forms a straight line with angle BAC. A straight line is 180 degrees. Since we know BAC is 60, and BAC + DAB = 180, by doing 180 - 60, you can see that angle DAB is 120 degrees.

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2 years ago
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ELEN [110]

Answer:

63°

Step-by-step explanation:

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Step-by-step explanation:

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FromTheMoon [43]

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Read 2 more answers
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