DisneyGirl11
22.03.2021 •
Mathematics
1. Katherine and Adam need la rug for their living room.
They have purchased a rectangular rug that has a width of 5x2 + 3x ft.
and a length of 4 x2 + 2 ft.
In the space below, draw a sketch of the rug.
What is the perimeter of the rug? Show your work.
2. Their friend, Lewis, has written the expression shown in the box
below to represent the perimeter of the rug.
9x2 + 5x2
Is Lewis correct or incorrect? Explain the steps to finding the
perimeter of the rug,
3. Lewis also predicts that an expression representing the area of the
rug will be a binomial. Is Lewis correct or incorrect? Explain.
Solved
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Ответ:
x=(28/5) or 5.6
Step-by-step explanation:
I'm going to assume the second part of the question is asking what the correct answer is. The first part is that Roberto multiplied across. The second part is that you multiply 4*7 and 5*x. This leaves you with 5x=28. Divide 28/5 to get 28/5, or 5.6.