Kelly, a frequent business traveler, is considering signing up for a hotel rewards program. Hotel Elegance is currently offering 60 points for signing up, plus 63 points for every night Kelly books at the hotel. Alternatively, Hotel Paradiso is offering a sign-up bonus of 641 points, plus 62 points per night. If Kelly books a certain number of nights, the points she earns with either hotel will be the same. How many nights will that be? How many points will she have? I'm confused someone please help

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step-by-step explanation:

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step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.

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