subject
Mathematics, 03.02.2020 15:52 azaz1819

1. what is the solution of n² – 49 = 0? (1 point)
–7
7
±7
no solution

2. what is the solution of x² + 64 = 0? (1 point)
–5
8
±8
no solution

3. what is the side length of a square with an area of 144x²? (1 point)
12
12x
±12x
no solution

5. what is the value of z so that –9 and 9 are both solutions of x² + z = 103? (1 point)
–22
3
22
184

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 22.06.2019 03:30
9is the geometric mean between x and 12
Answers: 2
question
Mathematics, 22.06.2019 04:30
Adentist's office and parking lot are on a rectangular piece of land. the area (in square meters) of the land is represented by x2+x? 30. a. write a binomial that represents the width of the land.
Answers: 3
question
Mathematics, 22.06.2019 04:50
Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?
Answers: 3
question
Mathematics, 22.06.2019 05:10
Which of the symbols correctly relates the two numbers ?
Answers: 2
You know the right answer?
1. what is the solution of n² – 49 = 0? (1 point)
–7
7
±7
no solution
...
Questions
question
Mathematics, 28.08.2020 20:01
question
Mathematics, 28.08.2020 20:01
question
English, 28.08.2020 20:01
question
History, 28.08.2020 20:01
Questions on the website: 13722367