If the product of 2 identical numbers is 441 find one of the numbers
full process please ​

21

Step-by-step explanation:

let n be the identical number, then

n² = 441 ( take the square root of both sides )

n = = 21

The the identical numbers are 21

i believe the answer to be 48

step-by-step explanation:

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5