starlett
starlett
01-06-2017
Mathematics
contestada
I don't understand how to solve this
Respuesta :
anonymous79
anonymous79
01-06-2017
x^2+81=4x^2
3x^2=81
x^2=27
x=(27)^0.5
Answer Link
VER TODAS LAS RESPUESTAS ( 77+ )
Otras preguntas
Jim has a total of 12 coins. Some of them are nickels, and the others are quarters. If he had 12 more nickels, then the value of the nickels would be the same a
can you express 9/9 as a mixed number why or why not
Melanie swam 918 meters in 3 days if she swam the distance each day how many far did melanie swim in one day
What is 5.8 × 10^6 mg/s in grams per minute? A. 9.7 × 10^9 g/min B. 9.7 × 10^7 g/min C. 3.48 × 10^5 g/min D. 3.48 × 10^3 g/min
Britain saw its colonies as a source of
passes through (-6,5) and parallel to 2x-3y=12
. Which choice is correctly punctuated? My roots can be traced; to Britain and Ireland. Genealogical research in Britain and Ireland is relatively easy; records
Fred bought 6 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 29 cards left. How many c
Find two consecutive numbers whose sum is 117
what is the net force if you push a cart to the right with 5N of force and a friend pushes the cart to the left with 5N of force
