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JasmineFS5181
10.05.2021 •
Mathematics
Four students each wrote an expression, in terms of a, for the perimeter of the rectangle
shown below.
a + 3
2a +7
Each student's expression is shown below.
• Carson: 2a? +21
• Lori: 6a +20
• Mario: 3a + 10
Trey: 2a? +13a +21
Which student was correct?
Solved
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Ответ:
See the attached picture
Step-by-step explanation: