Answer is : 2^(7/6) x^(5/3) y^(1/6)
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See attachment file below.
Follow the steps...
Hope it helped!
The Hydro water department has a monthly service charge of $15.40 and a volume charge of $1.05 for every 100 cubic feet of water
. The total monthly cost is equal to the service charge plus the charge for the volume used during the month. If we let x represent the number of cubic feet of water (in hundreds) and y represent the total monthly cost, then we have: total monthly cost = volume charge + service charge y = 1.05x + 15.40 If the Johnson family used 300 ft3 less water this month than last month, then they can expect A. an increase in their water bill of $46.20. B. an increase in their water bill of $3.15. C. a decrease in their water bill of $3.15. D. a decrease in their water bill of $46.20.
1 answer:
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remember, you can do anything to an equation as long as you do it to both sides
try and isolate the variable you are solving for and divide it by its constant
p=2l+2w
minus 2l from both sides
p-2l=2w
divide both sides by 2
which can also be simplified to