jorden7544
02.10.2020 •
Mathematics
If DF = 51 and EF = 32, then DE = ?
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Ответ:
Step-by-step explanation:
51 + 32 = 83 for DE
Ответ:
x+20⩾50
Step-by-step explanation:
in inequality, the word at least means that is equal or more than. so that means that Allie might equal or more than 50 hours in the model but if you're to solve it, Allie will need 30 or more hours. and since she already has 20, add the 20.