beatrizvargas
beatrizvargas
13-12-2014
Mathematics
contestada
What is (2n + 20) + 60 = 90?
Respuesta :
faithhopecharity1
faithhopecharity1
13-12-2014
(2n +20) +60 = 90
-60 -60
2n+20= 30
-20 -20
2n=10
divide by two on both sides
n=5
Answer Link
BMSumpy
BMSumpy
13-12-2014
2n+20+60=90 2n+80 =90 2n+80 =90 80 -80 2n =10 2 2 n =5
Answer Link
VER TODAS LAS RESPUESTAS ( 18+ )
Otras preguntas
how many significant figure does 60600 have?
What is 64 mi/hr=? Ft/s please work out so I can see a example
A space traveller leaves Earth for 10 years at .85c. According to an observer on Earth, how much time has passed?Please show work! I appreciate any comments tha
The expanded form for 1,070,070
how many of possible outcomes could be a number biggger than 6 on either cube
9(2x-1)=3(x+2)+3x solve the equation thanks so much for your help guys or girls you have no idea how helpful it is :)
What are the three kinds of maps? What are each of the used for? In other words what is there purpose?
Is the series equivalent resistor larger than either resistor, or is it smaller?
a banker has forgotten the combo to a Safe the number got four digits all the numbers are different it start and end with odd numbers and the middle numbers ar
which number has the same value as 30 tens
