Answer:
AC =
units²
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse AC is equal to the sum of the squares on the other 2 sides, that is
AC² = AB² + BC² = 5² + 8² = 25 + 64 = 89 ( take square root of both sides )
AC =
≈ 9.43 ( to 2 dec. places )
Sales tax and tip will increase the price of an item.
The cost of each meal is: $10.89
Let the cost of both meals be x.
A 20% tip means that, the current price is:

A 6% sales tax on the meal means that, the current price is:

So, we have:



The amount paid is $27.72
So, the equation becomes

Make x the subject


So, the cost of each meal is:


Hence, the cost of each meal is: $10.89
Read more about sales tax at:
brainly.com/question/19715580
Answer:
nah its a.
Step-by-step explanation:
bakit?(#boyinthebrainly)
Use the same to solve the rest of the problems. Hope this helps:)