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MariettaO [177]
3 years ago
15

The length of the outside stage is 6 feet less than the width.if the total area of the outdoor stage is 720ft^2 what is the widt

h of the stage ?
Mathematics
1 answer:
Vladimir [108]3 years ago
4 0

Answer: 30


Step-by-step explanation:

you should draw a model of this. Draw a rectangle labeling opposite sides as x (width). then label the other 2 sides as x-6 (which is the length). If x(x-6)=720, then you should be able to solve. x^2 (squared)-6x=720. Then make it into a quadratic. x^2-6x-720, and solve. You'll get (x-30) and (x+24) meaning x can either equal 30, or -24. If you didn't know- you get positive 30 because x-30=0 (that's what (x-30) and (x+24) means). Obviously a side length can't be negative, so it's 30

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