26-04-2014
Mathematics

contestada

How do you do 81x^2=49

Respuesta :

Аноним Аноним

14-07-2014

[tex]81x^2=49\ \ \ \ /:81\\\\x^2=\frac{49}{81}\\\\x=\pm\sqrt\frac{49}{81}\\\\x=-\frac{7}{9}\ \vee\ x=\frac{7}{9}[/tex]

Answer Link

Otras preguntas

A large retail corporation is trying to minimize the possibility of a cyberattack on customer data. what would be a recommended strategy for preventing an atta

Adriana can ride her bicycle 6 miles in one hour. How long will it take her to ride 15 miles?

A new firm successfully enters a three-firm cournot oligopoly without changing the demand and cost structures. the new price becomes multiple choice 75 percent

Which expressions are equivalent to the one below? Check all that apply.log(10^7)

During an experiment vinegar was added to baking soda. the following observations were recorded. observation 1: the container with the reaction mixture feels co

Select the correct future tense stem for the verb querer. O A. quier- O B. quis- O C. quer- O D. querr-

Which linear inequality is represented by the graph?

The four most common terrorist activities include gathering target intelligence, acquiring materials necessary for an attack, preparing materials, and:

There are signs of oil spray on the compressor clutch hub and nearby underhood areas. Technician A says that a faulty compressor clutch bearing could be the cau

A 3.0-kg ball with an initial velocity of (4.0i + 3.0j) m/s collides with a wall and rebounds with a velocity of (-4.0i + 3.0j) m/s. what is the impulse exerte