miagiancarlo
11.12.2019 •
Mathematics
You work at a clothing store. your goal is to sell at least $800 of merchandise before the end of your shift. you have already sold $650 of merchandise. select an inequality that represents the amount a (in dollars) of merchandise that you still need to sell to meet your goal.
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Ответ:
B. 3x⁷ + 7x⁴ - 2x + 7
Step-by-step explanation:
(3x⁷ + 8x⁴ + 7) - (x⁴ - 2x)
= 3x⁷ + 8x⁴ - x⁴ - 2x + 7
= 3x⁷ + 7x⁴ - 2x + 7