Last year mrs. Washington had a taxable income of $48,000 and paid about 20% in taxes. This year she contributed $3,000 to a traditional IRA. About how much could her tax liability be reduced

$900

Step-by-step explanation:

IN THIS QUESTION, WE ARE ASKED TO CALCULATE BY WHICH AMOUNT WOULD MRS WASHINGTON TAX AMOUNT BE REDUCED.

WE PROCEED AS FOLLOWS;

Last year tax liability = 48000*20/100 = $9600

current contribution towards IRA = $3000

Let us assume this year taxable income is also $48000

Now, we calculate net taxable income = 48000 - 3000 = 45000

therefore current year tax liability = 45000*20/100 = $9000

so reduction in tax liability = 9600 - 9000 = $900

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.

r and t.

both are 64 degrees.