Add 321−−√+ 721−−√ .(1 point) Responses 1021−−√ 10 Start Root 21 End Root 1042−−√ 10 Start Root 42 End Root 24 −−−√ 28−−√ Start Root 24 End Root plus Start Root 28 End Root 52−−√
The sum of √321 + √721 is not equal to any of the provided options.
To add √321 and √721, follow these steps:
Step 1: Find the square root of 321.
√321 ≈ 17.916
Step 2: Find the square root of 721.
√721 ≈ 26.870
Step 3: Add the square roots.
17.916 + 26.870 ≈ 44.786
Therefore, the sum of √321 and √721 is approximately √44.786.
To add the expressions 321−−√+ 721−−√, we need to simplify each square root individually and then add the results.
Let's start with simplifying the square root of 321:
To find the square root of 321, we can use a calculator or mathematical software. The square root of 321 is approximately 17.916.
Next, let's simplify the square root of 721:
Similarly, using a calculator or mathematical software, we find that the square root of 721 is approximately 26.873.
Now, we can add the simplified square roots:
17.916 + 26.873 = 44.789
So the sum of 321−−√+ 721−−√ is approximately 44.789.
Please note that the symbol "−−√" here represents the square root operation.