Nev
Nev
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
VER TODAS LAS RESPUESTAS ( 67+ )
Otras preguntas
A centralized database management is subject to a problem such as
Joe wrote this expression to describe the number of tickets he gave to his friends. 10 - t Which situation could be described by this expression? A. Joe knows
Who is credited with writing the first great Baroque opera?
Which pair of ratios form a proportion? a. 8:14 and 22:40 b. 10:18 and 25:45 c. 12:20 and 25:40 d. 14:30 and 22:45
A convenience store sells two brands of orange juice .brand a contains 8 oz and cost $1.28. brand b contains 12 oz and costs $1.68. what is the difference in co
During which of these literary periods did Phillis Wheatley publish a book of poems?
There are 156 laptops and desktop computers in a lab. There are 8 more laptops than desktop computers. What is the total number of laptops in the lab?
Daily fresh is a multinational food and beverage company. one of the new products that dairy rich intends to introduce includes fiber added to chocolate. the pa
At a parent-teacher conference with 136 parents, the amount of money each parent had in their wallet was recorded. the histogram below represents the data colle
a number n is multiplied by 5/8.The product is 0.4.What is the value of n
