1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Reika [66]
3 years ago
11

Use the square root property to solve x^2-9=0 Please help and please show work if you can

Mathematics
2 answers:
stich3 [128]3 years ago
8 0

Answer: x = 3, x= - 3

Step-by-step explanation:

x^2 - 9 = 0

=> x^2 = 9

=> x = 3, x= - 3

charle [14.2K]3 years ago
6 0

Answer:

x = 3 or -3

Step-by-step explanation:

So you have the equation x² - 9 = 0

Move the 9 to the other side: x² = 9

Then take the square root of both sides: \sqrt{x^{2} } = ±\sqrt{9}

x = ±\sqrt{9} = ±3

x = 3 or -3

You might be interested in
What is the 25th term of the arithmetic sequence -3,4,11,18,25
SCORPION-xisa [38]

Answer:

165.

Step-by-step explanation:

The nth term is an = a1 + (n - 1)d.

The common difference (d)  is 7 and the first term (a1)  is -3, so the 25th term

= a25 = -3 + (25-1)*7

= =3 + 24*7

= 165.

5 0
3 years ago
Read 2 more answers
What is 63 divided by 268 ?
Setler79 [48]
If this is 63/268 the answer is 63/268 or 0.24 rounded.
6 0
3 years ago
Josh and Corey met up for lunch. When they were done, Josh traveled 8 blocks east and Corey traveled 4 blocks west. How many blo
Romashka [77]

Answer:

12

Step-by-step explanation:

Since they traveled in opposite directions, we would add the 2 numbers!

8+4=12.

7 0
3 years ago
A salesperson works 40 hours per week at a job where she has two options for being paid. Option A is an hourly wage of ​23$. Opt
Gwar [14]

Step-by-step explanation:

  1. A salesperson works 40 hours per week at a job where she has two options for being paid. Option A is an hourly wage of 23$. Option B is a commission rate of 4% on weekly sales. How much does she need to sell this week to earn the same amount with the two options?
  2. A salesperson works 40 hours per week at a job where she has two options for being paid. Option A is an hourly wage of 23$. Option B is a commission rate of 4% on weekly sales. How much does she need to sell this week to earn the same amount with the two options?
  3. A salesperson works 40 hours per week at a job where she has two options for being paid. Option A is an hourly wage of 23$. Option B is a commission rate of 4% on weekly sales. How much does she need to sell this week to earn the same amount with the two options?
7 0
3 years ago
Read 2 more answers
HELPP MEEEEEEEEE PLEASE
katrin [286]

Answer:

i think its A but im not sure

4 0
3 years ago
Read 2 more answers
Other questions:
  • The number of different 5 digit combinations possible if successive digits must be different is
    15·1 answer
  • Write the equation of the function whose graph is shown.
    14·2 answers
  • A square kitchen floor has an area of 500 ft.² estimate the length of one wall to the nearest 10th of a foot
    14·1 answer
  • What is the solution to the compound inequality 3x-8 less than or equal to -5 or 2x - 7 > 5
    13·1 answer
  • List 3 ways you can use an answer key effectively
    13·1 answer
  • Levi buys a bag of cookies that contains 6 chocolate chip cookies, 9 peanut butter cookies, 8 sugar cookies and 8 oatmeal cookie
    10·1 answer
  • How do you solve<br> y=7x-10 <br> y=-3
    8·1 answer
  • ABC Bookstore uses a storage unit that measures 13 ft x 16 ft x 12 ft. What is
    7·1 answer
  • Given the point (-4,-6), what is the coordinate of the point reflected over the X-axis and Y-axis?
    14·2 answers
  • Please help me soon as possible !!!!!!!!!!
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!