dorianhenderson987
29.01.2020 •
Mathematics
Numbers 17 18 can some one explain this 2 me
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Ответ:
17: is complementary
complementary angles: either of two angles whose sum is 90°.
18: is supplementary
supplementary angles: either of two angles whose sum is 180°.
Step-by-step explanation:
Ответ:
play tennis,
3x play cricket
Next, the condition says
3x - 12 = x + 12.
It is your equation to find "x".
from the above equation, collecting like terms, we have:
3x - x = 12 + 12
2x = 24
divide both side by 2
2x/2 = 24/2
x = 12
ANSWER. 12 play tennis