kaelycaetano66
18.03.2021 •
Mathematics
Write the expression as a polynomial in standard form
5x+4x^2(2x+7)-6x^2-9x
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Ответ:
8x^3 + 22x^2 - 4x
Ответ:
45 + 32 + 37 = 114
114÷3 = 38
4 total quizzes,
for a 40 average on 4 quizzes she needs 40*4 = 160 total points
for 3 quizzes she has 45 +32 +37 = 114 points
160-114 = 46, she needs at least a 46 on the 4th quiz