Misha had $1380 in the bank. She was planning to spend 560 a week for gas to get to work. Let x be the number of weeks. 1. Write an equation that represents the amount of money Misha has left in the bank. (1 p)
2. She would like to leave $300 in the bank. How may weeks of gas can she afford before her bank account reaches $300. Show your work for credit
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Step-by-step explanation:

5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4

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.