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When adding and subtracting radicals, you can only combine radicals with the same index and radicand (the number inside the radical). Here are some examples:
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How do bankers use adding and subtracting?
To count money, they have to multiply. When the multiplication is finished they have to add the products together. When some one deposits or withdraws money, the banker uses adding and subtracting to find the new balance of the account.
Why do you need a common denominator when adding and subtracting fractions but not when you multiply or divide fractions?
For subtracting and adding you cannot add or subtract unalike things. For multiplication and division you can multiply by whatever you want. In some maths you even multiply by variables such as "x". Or divide by them.
Where can you get some help with adding and subtracting decimals?
school you can always get help from teachers, parents or people who think might know
How does adding or subtracting a constant amount by each value in a set of data affect the mean?
Adding and subtracting is what increases the amount when adding each number. This is taught in high school math.
Does how much money is left is it subtracting or adding?
Subtracting. When you are given a problem asking "how much money is left," that means some money was taken away, and you are asked about the remaining amount. To take away money means using subtraction.
