Answer:
What kind of equation are we supposed to do here?
Step-by-step explanation:
If you tell me then I can help you.
Answer:
dont know
Step-by-step explanation:
Answer:
$11.8525
Step-by-step explanation:
To find the total price of purchase including sales tax, we need to add sales tax to our total. This can be done as follows: Purchase price + percentage of purchase price as according to sales tax. In the case of your problem, this takes the form of $11 + 0.0775(11). This expression is equivalent to 11.8525.
X^2 -61 =20
X^2= 81x =9 x=-9