subject
Mathematics, 09.06.2021 07:20 astigall6360

Using the equation \sqrt{x + 7}  + 5 = x
, are both x = 2 and x = 9 solutions or are one/both of them extraneous solutions? Explain.​

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:00
Design a number line containing five (5) points2.benin, one of the smallest countries in africa, has a total area of 43,475 square miles. the population of the country was recently estimated at 10,160,555. about 3,657,790 people live in rural areas. the country has only about 870 miles of surfaced roads. a. round off the total population to the nearest hundred thousand people. b. round off benin’s area in square miles to the nearest thousand. c. round off the number of miles of surfaced roads to the nearest ten. d. round off the number of people who live in rural areas to the nearest million.
Answers: 3
question
Mathematics, 21.06.2019 16:00
5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000
Answers: 2
question
Mathematics, 21.06.2019 18:40
Ten times the square of a non-zero number is eqaul to ninety times the number
Answers: 1
question
Mathematics, 21.06.2019 21:30
Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?
Answers: 3
You know the right answer?
Using the equation
, are both x = 2 and x = 9 solutions or are one/both of them extraneous so...
Questions
question
History, 04.12.2019 22:31
question
Mathematics, 04.12.2019 22:31
Questions on the website: 13722363