ria3545
ria3545
04-02-2021
Mathematics
contestada
solve the simultaneous equations
2x+3y=13
4x-y=-2
Respuesta :
assvecca
assvecca
04-02-2021
from eq1 ,
2x = 13-3y
x = 6.5-1.5y (eq 3)
sub eq 3 into eq2,
4(6.5-1.5y)-y=-2
26-6y-y=-2
-6y-y=-2-26
-7y=-28
7y=28
y=4 ( eq 4 )
sub eq4 into eq3 ,
x=6.5-1.5(4)
x=6.5-6
x=0.5
Answer Link
VER TODAS LAS RESPUESTAS ( 37+ )
Otras preguntas
Please help it’s for a grade I will give you Brinley if right
help it’s easy I just don’t get it
PLZZ HURRY!! The histogram shows the scores of students on their most recent history test. How many students scored 80% or better on the test? A. 8 students B.
Read the excerpt from what is that bird By the U.S fish and wildlife service:
Which factors have contributed to Earth’s population growth?Choose all answers that are correct.doubling timeincreasing birth rateincreasing death rategreater b
Escriba oraciones completas. Seguir el modelo. Acuerde el adjetivo en género y número con el sustantivo que describe. ¡Mire la captura de pantalla a continuació
Sergio tiene p pinturas en su colección de arte. Él y otros coleccionistas de pintura locales acordaron donar 48 pinturas al museo local. Cada uno de los 12 col
None of the countries in South America have coasts on both the Atlantic and Pacific coasts except ____________
20POINTS x-4y=1 and 2 x-8y=2
3 x 5to the power of 2 so 5’2
