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 ( 49+ )
Otras preguntas
Why was it very difficult to get laws passed under the Articles of Confederation? All states had to agree before a law was passed. Nine of the states had to agr
buffers are used inside of cells to neutralize the cell environment true or false
PLEASE HELP!!! b.) How are triangles different in spherical geometry as opposed to Euclidean geometry?
f(x)=3xg(x)=-x+1(f×g)(7)
There are 9.5 ounces of juice in a container. An additional 1.75 ounces of juice are poured into the container each second. How many ounces of juice are in the
I need help homework I don’t like Franco and I’m not keen on John ____ he passive is common in writing __ in speech.
When you work with headers and footers in Word, the Header and Footer Tools tab or toolbar displays only when you are actually working within the header or foot
Which list shows all the factors of 36?A.1, 2, 3, 4, 6, 12, 18, 36B.1, 2, 3, 4, 6, 9, 12, 18, 36C.1, 2, 3, 4, 5, 9, 12, 18, 36D.36, 72, 108, 144, 180
please help?????????? dont know what to do help???
What group or groups do interest groups over represent?
