The square root of 121 is 11 because 11 times 11 is 121.
Calculating Total Cost. Multiply the cost of an item or service by the sales tax in order to find out the total cost. The equation looks like this: Item or service cost x sales tax (in decimal form) = total sales tax. Add the total sales tax to the Item or service cost to get your total cost. Multiply retail price by tax rate
Let's say you're buying a $100 item with a sales tax of 5%. Your math would be simply: [cost of the item] x [percentage as a decimal] = [sales tax]. That's $100 x .
Answer:
0
Step-by-step explanation:
So lets imagine x as our number
Let's make an equation:
So, This would mean that the average of two opposite numbers is always 0
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