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
Galina-37 [17]
3 years ago
15

What is the solution to the inequality below? X^2>=81

Mathematics
1 answer:
kotegsom [21]3 years ago
7 0
  • Answer:

<em>A. x ≤ - 9 or x ≥ 9</em>

  • Step-by-step explanation:

<em>x² ≥ 81</em>

<em>| x | ≥ 9</em>

<em>x ≥ 0 => x ≥ 9 => x ∈ [ 9 ; + oo)</em>

<em>x < 0 => x ≤ - 9 => x ∈ ( -oo ; - 9 ]</em>

<em>x ∈  ( -oo ; - 9 ] ∪ [ 9 ; + oo)</em>

You might be interested in
What is the area of this shape?
VikaD [51]
21 ft I believe, I could be wrong though.
7 0
3 years ago
How much she makes per hour
Luda [366]

90÷5=18 which means she makes $18 every hour.

Answer= $18

7 0
3 years ago
Read 2 more answers
How do i find x in this problem
Maslowich
 "x" is the "alternate interior" to the missing angle atop, and a flat-line, is just a line with an angle of 180°, thus, 28 + 103 + x = 180 
8 0
3 years ago
How many kilometers are in 60 miles? Note: There are 1.609kms in 1mi.
kozerog [31]

Answer:

Your answer is 96.5606 Kilometers.

Step-by-step explanation:

1.609 x 60 = 96.5606

Mark as brainliest if it's correct!

5 0
3 years ago
Read 2 more answers
What is the solution of the equation shown?<br> -1.2(3x - 3) = 4(3x + 0.9)
MariettaO [177]

Answer: x=0

Step-by-step explanation: -1.2(3x-3) = 4(3x+0.9)                                           -3.6x+3.6=12x+3.6                                                                                             -3.6x-12x+12x=12x+3.x+12x                                                                                   -15.6x+3.6-3.6=3.6-3.6                                                                                          -15.6x/-15.6=0/-15.6                                                                                           x=0                          

4 0
3 years ago
Other questions:
  • Two buildings have 60 floors altogether. Building A has 3 floors for every 2 floors of building B.How many floors does each buil
    6·1 answer
  • K stands for a whole number.
    13·1 answer
  • If p(a)=0.5, p(b)=0.8, and p(a and b)=9, find p(a and b).​
    15·1 answer
  • 73210 the digit 3 stands
    15·2 answers
  • In an experiment, 12.0dm3 of oxygen, measured under room conditions, is used to burn completely 0.10mol of propan-1-ol.
    8·1 answer
  • 9) A rectangular prism has a width of 8 cm, a height of 2 cm and a depth of 8 cm. What is the volume of the prism?
    12·2 answers
  • Use the triangle below. Find the length of the missing side. If necessary, round to the nearest tenth. b = 12 and c = 13
    15·1 answer
  • Rs 80,000 is invested at the rate of 6 percent p.a . find the interest at the end of one year​
    6·1 answer
  • The number of people waiting in a line to buy tickets x minutes after a ticket booth opened is given by the expression 70 - 5x .
    12·1 answer
  • A stop sign in the shape of a regular octagon is inscribed in a circle. Find following measure.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!