Answer: Company B
Step-by-step explanation:
First we must calculate the area of the carpet. Variable A represents area.
So the area of the carpet is 168 square feet.
To find what company A will charge we will multiply the 168 by 2.75 they charge per square foot.
Company A charges, $462, while Company B will charge $450 for the one room.
This means Company B has the better price.
Use these equations when converting polar equations to parametric equations:
We know that , so substitute that into both equations for x and y.
Now, replace with any variable that you want to represent the parametric equations in. I'll use the standard variable,
Thus, represented in parametric form is:
Let me know if you need any clarifications, thanks!
~ Padoru
Answer:
52.85
Step-by-step explanation:
perimeter of the rectangle is 40
perimeter of the half circle is 12.85
add those two together and get 52.85
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This is the concept of algebra, to calculate the proportion of wool in each item we proceed as follows;
Let the amount of wool used for hat be x
amount of wool in sweater will be 5x
the amount of wool used in scarf will be x-5
therefore the total amount of wool will be:
x+5x+(x-5)=550
x+5x+x-5=550
7x-5=550
7x=550+5
7x=555
hence;
x=555/7
x=79
the amount used in hat x=79g
amount used in sweater 5x=395g
amount used in scarf=79-5=74g