angieplasencia8
12.01.2021 •
Mathematics
Help me out with number 10. Question: The two angles below form a linear pair and are therefore supplementary solve for X. (Geometry)
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Ответ:
x = 29
Step-by-step explanation:
(2x - 13)° + (7x - 68)° = 180° (linear pair angles add up to 180°)
Solve for x
2x - 13 + 7x - 68 = 180
Add like terms
9x - 81 = 180
Add 81 to both sides
9x = 180 + 81
9x = 261
Divide both sides by 9
x = 261/9
x = 29
Ответ:
66%
Step-by-step explanation:
4 numbers/6 numbers=4/6=66%