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Nikitich [7]
3 years ago
8

The exterior angles of a triangle measure x + 3, 2x + 1, and 3x - 4. Find the measure of each exterior angle. A) 18°, 31°, and 4

1° B) 23°, 41°, and 56° C) 33°, 61°, and 86° D) 63°, 121°, and 176°
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
5 0
<span>We know that, the sum of the exterior angles of a polygon is 360 i.e., (x+3) + (2x+1) +(3x-1) = 360 i.e., x+2x+3x+3+1-4 = 360 i.e., 6x = 360 Therefore, x = 60 Now, x+3 = 60+3 =63 2x+1 = 2*60 +1 =120 + 1 = 121 3x-4 = 3*60 - 4 = 180 - 4 = 176 The exterior angles are 63, 121 and 176</span>
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Hitman42 [59]

Answer:

Subtract 5 from each side

Step-by-step explanation:

This would put all coefficients on one side.

7 0
2 years ago
Multiply
Cloud [144]

Answer:

12 x^4 + 18 x^3 - 9 x^2 thus D is the correct answer.

Step-by-step explanation:

Expand the following:

3 x^2 (4 x^2 + 6 x - 3)

3 x^2 (4 x^2 + 6 x - 3) = 3 x^2 (4 x^2) + 3 x^2 (6 x) + 3 x^2 (-3):

3 4 x^2 x^2 + 3 6 x^2 x - 3 3 x^2

3 (-3) = -9:

3 4 x^2 x^2 + 3 6 x^2 x + -9 x^2

3 x^2×6 x = 3 x^(2 + 1)×6:

3 4 x^2 x^2 + 3×6 x^(2 + 1) - 9 x^2

2 + 1 = 3:

3 4 x^2 x^2 + 3 6 x^3 - 9 x^2

3×6 = 18:

3 4 x^2 x^2 + 18 x^3 - 9 x^2

3 x^2×4 x^2 = 3 x^4×4:

3×4 x^4 + 18 x^3 - 9 x^2

3×4 = 12:

Answer:  12 x^4 + 18 x^3 - 9 x^2

6 0
3 years ago
Which percent is equivalent to 3 2/5
SOVA2 [1]

3  \frac{2}{5} = 3.4

Multiply this by 100 to get your answer!

3.4 × 100 = 34%

So, therefore, 34% is your final answer.

Which percent is equivalent to 3 2/5? 34% is!

↑   ↑   ↑  Hope this helps! :D

3 0
3 years ago
Read 2 more answers
Decompose49.67 to to the nearest tenth
Sunny_sXe [5.5K]
49.7 because on work.com
4 0
3 years ago
Need help on geometry!!!
aleksandr82 [10.1K]

Answer:

15. a,    16. ∠GOH = 26

Step-by-step explanation:

15. A straight angle looks as a line.

16. ∠GOI = ∠GOH + ∠HOI

47 = ∠GOH + 21

∠GOH = 47 - 21 =26

∠GOH = 26

5 0
3 years ago
Read 2 more answers
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