tallydylan tallydylan
  • 12-11-2019
  • Mathematics
contestada

4x^2=81 how do I figure this out​

Respuesta :

nevayaredwood
nevayaredwood nevayaredwood
  • 12-11-2019

Answer:

x = ± 9/2

Step-by-step explanation:

isolate the

x

2

term , by dividing by 4

hence  

x

2

= 81/4⇒

x

=

±

√

81

4

=

±

9

2

Answer Link

Otras preguntas

The polyatomic ion with the formula CN- is called
What is the value of x?
What energy is being transformed an electric blanket warms a bed on a chilly night
Is N2 + 3H2 →2NH3 a balanced chemical equation? Is it obeying the law of conservation of matter?
i need right answer. A predicate nominative always follows a linking verb? True or false
Which of the following is a correct statement about collision theory
Ant has 6 legs, how many ants could there have been if she saw between 35 and 50 legs
Help me 15 points on the line How many fractions are there between any two numbers on a number line? A.5 B.20 C.100 D.an infinite number
2^-8/2^2=v^6×v^? find the value of x. also someone please help !!
What is the least common multiple of 156 and 321