Demondevilg
12.02.2021 •
Mathematics
A postcard has an area of 10 square inches. Two enlargements of the postcard have areas of 40 square inches and 160 square inches. In each postcard, the length is 2
1
2
times the width.
Which of the following could be the dimensions of the postcard or one of the enlargements? Mark all that apply. (I gotta get this done TODAY also!)
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Ответ:
I am sorry, but this question can’t be answered until you upload a picture of the answer choices given, so we can help pick what actually applies. I’d be happy to help when that happens, though!
Step-by-step explanation:
Ответ:
Ответ:
times both sides by -36 (-36=12*-3)
-3*-7=y
21=y
y=-21