jenniferdiaz2005
jenniferdiaz2005
12-06-2020
Mathematics
contestada
2x + 3y = 1240
x = 2y - 10
Respuesta :
unicorn3125
unicorn3125
05-08-2020
Answer:
x = 350, y = 180
Step-by-step explanation:
2x + 3y = 1240
and
x = 2y - 10
so:
2(2y - 10) + 3y = 1240
4y - 20 + 3y = 1240
+20 +20
7y = 1260
÷7 ÷7
y = 180
x = 2•180 - 10 = 360 - 10 = 350
Answer Link
VER TODAS LAS RESPUESTAS ( 92+ )
Otras preguntas
Consider three properties of the net force on an object: a magnitude, direction, and angle with respect to the objects path. For the following situation select
helicopter flies an average velocity of 70 m/s2 for 10.0 seconds. What ios ther magnitude of the helicopter's displacement? answer should have 3 significant fig
parables, anecdotes, and other stories are all kinds of
HELP ME OUT PLEASEOn the Galapagos Islands, in the Pacific Ocean, live over a dozen species of small birds that are the same except for their beaks. Each specie
8(9s + 3) +9 I need help simplifying this
Solve for x. Show each step of the solution. 4.5(8 −)+ 37 = 103 − 2.5(3 + 24) PLEASE HELP!!!!!
The flesh on the inside of an apple is white, and devoid of pigments. Why is this the case?
Please help me with this :(
who was the first president to be born in a hospital
if the victim is coughing or making noise you should _______________________. answer the blank
