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riaahroo2378
25.11.2021 •
Mathematics
Y=3(x²-4x)+7=3(x²-4x+4)-12+7=3(x-2)²-5.
a=3, b=-2, c=-5
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Ответ:
20
Step-by-step explanation:
the pattern is increase the number by one more than the increase before. so 6,8=2 greater
8-11=3 greater. 11-15=4 greater. so, 15+5=20 (with this answer being 5 greater continuing the pattern.)