nattx13
nattx13
16-09-2017
Mathematics
contestada
can someone help me with this ?
Respuesta :
JinaWu
JinaWu
16-09-2017
(w³+7)/w=(9w²+7)/9
(w³+7)9=(9w²+7)x
9w³+63=9w³+7x
63=7x
x=9
Answer Link
2Lucky
2Lucky
16-09-2017
w cannot = 0
Cross multiply to get
9(w^3+7) = (9w^2+7)w
Remove parentheses
9w^3+63=9w^3+7w
Cancel equal terms
63 = 7w
Divide by 7
w = 9 , w = 0
Answer Link
VER TODAS LAS RESPUESTAS ( 15+ )
Otras preguntas
What are the organelles of a cone cell?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
2 m3 of soil containing 35% sand was mixed into 6 m3 of soil containing 15% sand. what is the sand content of the mixture?
What are the organelles of a cone cell?
what is a rational number between -1/6 and -2/6
Name four behaviors that animals must use to survive
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
2 m3 of soil containing 35% sand was mixed into 6 m3 of soil containing 15% sand. what is the sand content of the mixture?
Caitlyn did 6/7 of the problems on her math correctly and 4 incorrectly. She did all the problems. How many were there?
