Answer:
V≈1470.27
Step-by-step explanation:
V=πr2h=π·62·13≈1470.26536
to begin with, we have to add 12x+9y+-2y we add like terms(y and y)
12x+7y
next, we have to subtract 4x-3y from 12x+9y
(12x+9y)-(4x-3y)
our answer is: 8x+12y
Answer:
9x+5m-3
Step-by-step explanation:
3x-10+5m+6x+7
3x+6x+5m-10+7
9x+5m-3
total bill before any discounts $13.
she is a student, so she gets 20% off.
she brought an item of clothing, so she gets 5% off.
so she's really getting 20% + 5% off, namely 25% off her bill.
