Nev
Nev
26-04-2014
Mathematics
Answered
How do you do 81x^2=49
Answer :
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
VIEW ALL ANSWERS ( 87+ )
Other Questions
Simplify the radical expression [tex]\frac{3-\sqrt{-72}}{-6}[/tex].Write your answer in exact form without decimals. To enter an expression such as [tex]\frac{8
Given that a set [tex]\( A = \{4, 5, 6\} \)[/tex], [tex]\( B = \{y: y = 2x, x \in A\} \)[/tex], and set [tex]\( C \)[/tex] is the first three multiples of 7:a)
Question 4 of 10A local government has plans to build a new transit station on a site where several homes are currently located. The residents do not want to mo
Lydia runs an experiment to determine if a coin is fair by counting the number of times a coin lands heads up. The table shows her data.Coin Fairness Test\begin
The election of Rutherford B. Hayes and the Compromise of 1877 led to the end of:A. Jim Crow laws B. Segregation C. Reconstruction D. (incomplete option, nee
Can someone solve this asap
Question 10Which of the following tests will most likely identify the presence of inflammation?A. ElectromyographyB. Erythrocyte sedimentation rateC. Creatine k
Question 3Which statement is true about the Equal Rights Amendment?A. It was ratified in 1972.B. It gave women the right to vote.C. It still has not been ratifi
Respecting Diverse PopulationsMatch the description with the correct type of diversity. Answers can be used more than once.1. Includes the general customs, norm
In a command economy, decisions about which goods are produced are based on:A. what the government decides is important for society.B. what goods are most likel
Mrs. Tremont has several ______ who love her science class.
To make concrete it take 8 parts crushed gravel, 7 parts water and 5 parts cement mix. A worker needs to make 220 kg of concrete. How much gravel, water and cem
12 dogs decreased by 25%
why are chromosomal mutations potentially serious
test worth 75 points;test score of 96%
Which best describes Mary's main conflict in the novel? A. She wants to stay as she is, but the people of the manor try to force her to change. B. She is con
When was "Civil Peace" by Chinua Achebe published?
Each and every are indefinite pronouns. true or false
Is a Daisy a prokaryote or a eukaryote
Regarding the Magna Carta, which statemen is false? A) the document assured all English citizens freedom of speech. B) the document required trial by jury of on