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kakkakak1320
16.10.2020 •
Mathematics
Which expression will be easier to simplify if you use the community property to change the order of the numbers
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Ответ:
the answer is c beucse yses
Step-by-step explanation:
Ответ:
D. 20°
Step-by-step explanation:
The entire angle = 90 degrees you can tell that from the corner indicator
Set the two expressions equal to 90
(3x+10) + (x) = 90
Combine like terms
4x + 10 = 90
Subtract 10 from both sides to cancel it out
4x = 80
Divide each side by 4
x = 20
Check it by substituting x for 20
3(20) + 10 = 70 x = 20 70 + 20 = 90