Answer:
1. 
2. not completely sure but i think its 
3.x
=
2
i
√
5
,
−
2
i
√
5
4.x
=
−
9
±
√
73
/2
5. Im not sure...
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<u>Statement:</u>
Two angles are supplementary. One angle measures 2x, and the other angle measures 3x - 15.
<u>To </u><u>find </u><u>out:</u>
The equation to find the measure of each angle.
<u>Solution</u><u>:</u>
- Supplementary angles are angles which sum up to 180°.
- While, complementary angles are angles which sum up to 90°.
- Here, the sum of the two angles, i.e., 2x and 3x - 15, should be 180°.
- So, the equation will be: 2x + 3x - 15 = 180°.
<u>Answer:</u>
2x + 3x - 15 = 180°
Hope you could understand.
If you have any query, feel free to ask.
Answer:
4.0.
Step-by-step explanation:
In sample 1, you do 0.65/1.3 which gets you to 0.5, so then you do the same to the bottom which you also have to divide by 1.3, and 5.2/1.3 is 4.0 or 4.
72.50 is rounded and the answer to this question
