Write area or perimeter for each situation. Carpeting a floor
2 answers:
Answer:
Step-by-step explanation:
I think your question is missed of key information, allow me to add in and hope it will fit the original one. Please have a look at the attached photo.
My answer:
a. Carpeting a floor
To carpet a floor, you need to find the area of it so that we can have an appropriate plan to buy material. Hence, it represented by are
b. Fencing a garden
If you want to fence a garden, we need to know the the total length around it or we can say that is the perimeter of the garden. So this situation is represented by perimeter.
Hope it will find you well.
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Answer:
2x -y ≥ 4
Step-by-step explanation:
The intercepts of the boundary line are given, so it is convenient to start with the equation of that line in intercept form:
... x/(x-intercept) + y/(y-intercept) = 1
... x/2 + y/(-4) = 1
Multiplying by 4 gives the equation of the line.
... 2x -y = 4
This line divides the plane into two half-planes. The half-plane that is shaded is the one for larger values of x and/or smaller values of y than the ones on the line. So, for some given y, if we increase x we will get a number from our equation above that is greater than 4. Hence, the inequality we want is ...
... 2x -y ≥ 4
We use the ≥ symbol because the line is solid, so part of the solution space.
