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Bingel [31]
3 years ago
9

Need help with #1 please it’s algebra!

Mathematics
2 answers:
mel-nik [20]3 years ago
4 0

Answer:

145°

Step-by-step explanation:

The angle is 90°+55°=145°

sashaice [31]3 years ago
4 0

Answer: 145°

Step-by-step explanation:

The angle of straight lines is always 180°, so I took 180 and subtracted 55 from it, and then 90 to get 35. I got 90 because the x and y axis are perpendicular to each other, and the angle between perpendicular lines is always 90. 35° is the angle of the small un marked section to the left of the circles, so to get the angle of the circle-like line, I did 180-35 to get 145°.

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Vaselesa [24]

Answer:

10: -11n^5

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Step-by-step explanation:

Ok so what your gonna do is add or subtract the ones with the same exponent.

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-11n^2

now you have 8k^2-k-5k+7-2k. so you are gonna rearrange them so the same exponents are together.(keep the sign in front in front, if no sign it is positive)

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3 years ago
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3 years ago
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Reika [66]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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g100num [7]

Answer:

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3 years ago
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