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 ( 54+ )
Other Questions
Anastasia uses the equation [tex]p=0.7(rh+b)[/tex] to estimate the amount of take-home pay, [tex]p[/tex], for [tex]h[/tex] hours worked at a rate of [tex]r[/tex
CHEMISTRY What are the two reactions in CHEMISTRY
¿Cuánto le falta crecer a una foca de Baikal que mide MCCV mm,si su longitud maxima es de MD mm?
who was abraham licoln
write an essay comparing three rhetorical devices, such as parallelism capitalization and the loaded language in the mayflower compact and two Other US foundati
Which of the following statements best describes the impact of the Boulton and Watt Steam Engine on the Industrial Revolution?A. The Boulton and Watt Steam Engi
Question 1:How many grams of a 10% and 1% ointment should be used to make 45 g of a 2% ointment?A. 5 g of the 1%, 40 g of the 10%B. 5 g of the 10%, 40 g of the
Examples of cultural and generational differences include:A. Individual vs. teamwork orientationB. All answers are correctC. Visual learning style vs. oral lear
Calculate the length of a wire with a cross-sectional area of [tex]$0.62 \, \text{mm}^2$[/tex] and a resistivity of [tex]$1.8 \times 10^{-7} \, \Omega \cdot \te
Find a formula for this function.[tex]\[ y = 1.7 \cos \left(\frac{2 \pi}{[?]} (x - \square) \right) + \][/tex]
Over time weeds have become resistant to pesticides. Which process explains how pesticide resistance developed? A. natural selection B.biological inheritance C.
Which best describes the stance of most Northern states on protective tariffs in the years leading up to the Civil War? a)They opposed tariffs because they woul
What did Stalin agree to do in return for the Allied invasion of France? (5 points) disarm his forces once the Nazis were defeated invade Italy after the North
how did the silk road promote exchange of goods and ideas
Let a=x^2+4. Use a to find the solutions for the following equation: (x^2+4)^2+32=12x^2+48. Which one of the following are solutions for x? Select any/all that
Which of the following statements describes the theme of William Wordsworth's "Tintern Abbey"? A.Good always triumphs over evil. B.Do unto others as you would h
Jim, Carla and Tommy are members of the same family. Carla is 5 years older than Jim. Tommy is 6 years older than Carla. The sum of their three ages is 31 years
How did British control change arabia and Iraq after world war 1
9x-2y=-21 2x+3y=16 (What is the answer)
The Sugar Act was a result of which event? Select one: a. French and Indian War b. English government paying for expeditions into the Ohio Country c. Rise in co