trielypJulia trielypJulia

10-06-2016
Mathematics

contestada

What are the solutions to the equation 9x2 = 49, rounded to the nearest tenth?

A.
2.3, –2.3

B.
5.4, –5.4

C.
7, –7

D.
21, –21

Respuesta :

MAXTORRES27 MAXTORRES27

10-06-2016

I would go for A if anything

Answer Link

Ckaranja Ckaranja

10-06-2016

A.
2.3, –2.3

Working;
[tex] 9x^{2} =49[/tex]
[tex] x^{2} = \frac{49}{9} [/tex]
x=[tex] \sqrt{ \frac{49}{9} } [/tex]
x= +-2.3

Answer Link

Otras preguntas

determine the 20th term of the sequence 1,4,7,...

The ideas of the social gospel movement led directly to

what is 300/2,000 in a percent

What are the advantages and disadvantages of being ambidextrous?

most active transport proteins use energy from the breakdown of what?

During an economic downturn, Adam Smith would likely advocate for abolition of the government altogether allowing the “invisible hand of the market” to regulate

Which of the following is a social problem that the nation faced at the end of the Civil War? A. Deciding who the next president of the Confederate States of

Nicole is putting together a new workout program. She does a large amount of research to determine how often she should exercise, how hard she should work out,

An electric current produces a magnetic field. a. True b. False

White light, which consists of all frequencies, forms which type of spectrum?