What is the sum of the square root of 100 and the square root of 400

30

Step-by-step explanation:

Square root of a number k will turn it into a number n such that n * n = k.

The square root of 100 is 10 because 10 * 10 = 100, and the square root of 400 because 20 * 20 = 400.

Now, we just need to sum 10 and 20: 10 + 20 = 30.

Thus, the answer is 30.

Hope this helps!

the answer is b i just did that

step-by-step explanation:

answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.

step-by-step explanation:

since we have given that

total annual rainfall a city record = 40 inches

this year, total rainfall recorded = 37.6 inches

number of inches of rainfall   is needed to match the record of 40 inches is given by

hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.