Avery0103
Avery0103
15-09-2015
Mathematics
contestada
2/5r -5 =7 ( what's r )
Respuesta :
elainelau161
elainelau161
15-09-2015
2/5r-5=7
2/5r-5+5=7+5
2/5r=12
2/5r*5r=12*5r
2=60r
2/60=60r/60
1/30=r
which is 0.0333333333333 = r
I'm pretty sure this is correct because I double checked it
Answer Link
TSO
TSO
15-09-2015
[tex] \frac{2}{5} r-5=7\\\\ \frac{2}{5}r=12\\r=12\times \frac{5}{2} \\r= 6 \times 5\\ r=30[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 27+ )
Otras preguntas
Rachel jogged along a trail that was 1/4 of a mile long. she jogged along the trial 8 times. How many miles did Rachel jog in all?
find three consecutive integers whose sum is 468
[{5.25 divided [40 divided (12.30-4.3)]} +14
how did early iron smelters control the temperature in the furnaces
How do enhancers accelerate the transcription of a gene?
if it takes juwan exactly 35 minutes by car to get to his grandmother's. the nearest parking area is a 4-minute walk from her apartment.one week, he realized th
The winner of a raffle will receive 3/4 of the $530.40 raised from raffle ticket sales.How much money will the winner get?
How do you solve 2x-27=45-x?
what was emperor wudi's accomplishments?
which best describes the relationship of the embryo and the fetus
