josefa2
josefa2
21-12-2017
Mathematics
contestada
how do i resolve this?
Respuesta :
ahmadalip1aek7
ahmadalip1aek7
21-12-2017
Solve for y for both equations then equate and solve:
5x + 9y = 160
9y = 160 - 5x
y = 160/9 - 5/9x
9x + 8y = 202
8y = 202 - 9x
y = 202/8 - 9/8x
160/9 - 5/9x = 202/8 - 9/8x (common denominator is 72)
1280/72 - 40/72x = 1818/72 - 81/72x
1818/72 - 1280/72 = 81/72x - 40/72x
538/72 = 41/72x
538 = 41x
538/41 = x
x = 13 5/41
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Dory and Nemo go to Taco Bell for lunch. Dory orders three soft tacos and three double deckers for $11.25. Nemo pays $10.00 for four soft tacos and two Double D
ex 5 ,,,pleaseeeeeeeeeeeeeee,,,help mee ,,,
One +4 equals five, 2+5 = 12, 3+6 = 21, what does 8+ 11 equal
What happens as genes are passed on from parent to offspring over many generations?
The chorionic villi of the placenta develop a series of capillaries that are immersed in lacunae of the mother's blood for exchange into the embryo's blood duri
ratio of 6 to 4 is equal to
What the the equation -984-n=-285 what does n equal
what finger does the ring go on
Mantle convection is a circulation of heat emitted by the earths... A) core B) crust C) lithosphere D) atmosphere
Can you pleas help me solve this assignment?
