Kazya4
05.09.2019 •
Mathematics
If the dimensions of a triangle are cut in half, then the new perimeter is one fourth of the original perimeter. truefalse
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Ответ:
Ответ:
e = 6
Step-by-step explanation:
10e - 2e - 9 = 39
8e - 9 = 39
8e = 48
e = 6
CHECK:
10(6) - 2(6) - 9 = 39
60 - 12 - 9 = 39
39 = 39