ineedtopeebeforethec
17.11.2019 •
Mathematics
Amy makes a rectangular poster with an area of 21+28m square inches. the width of the poster is 7 inches as shown in the following diagram. what is the length of the poster?
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Ответ:
7(3+4m) = A
l x w = A
w= 3 +4m
Ответ:
(6)2 + 3 + 6
12 + 3 + 6
21
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