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Mademuasel [1]
3 years ago
7

A room has dimensions of 12' by 13' by 8'. Calculate the amount of molding necessary for a decorative strip at the floor and at

the ceiling.
Mathematics
1 answer:
faust18 [17]3 years ago
7 0
The dimensions of a room are determined by its length, width and height.  In this problem we will assign a length of 12', a width of 13', and a height of 8' (as standard ceiling heights in most homes are 8' high).  To calculate the amount of molding needed for strips at the top of the room and the bottom of the room we need to find the perimeter of the room.  A length of 12' and a width of 13' make this room a rectangle.  Determine the perimeter by adding 12' + 13' and multiplying the sum by 2 to get 50'.  Multiply 50' x 2 to account for a decorative strip of molding at the floor and the ceiling and you get 100' total molding needed.
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Answer:

The system of inequalities that represents this situation is:

x+y≥10

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Step-by-step explanation:

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x+y≥10

Also, the statement indicates that miniature stuffed animals cost $6.00 each and the toy trucks cost $4.00 each and that Laura has $50. From this, you would have an inequality that indicates that 6 for the number of miniature stuffed animals and 4 for the number of toy trucks would be equal or less than 50:

6x+4y≤50

The answer is that the system of inequalities that represents this situation is:

x+y≥10

6x+4y≤50

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Step-by-step explanation:

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