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 ( 36+ )
Otras preguntas
Find the difference 15.5- 7.46
what is are the steps to do 6 divided by 74.4
what is a land bridge
Emma bought 28lbs of soil that is 4 lbs more than last week how many pounds was purchase last week
4. The best reference a potential job applicant can use in a résumé is a(n) A. aunt or uncle.B. past teacher.C. former supervisor.D. next-door neighbor.
When you feel you must have something, even though it is harmful, you
Which is the correct sequence of increasing organization? a Organ, tissue, cell, molecule b Atom, molecule, tissue, cell c Organelle, tissue, cell, org
DNA has two strands.If the sequence of the nucleotides of one strand was known,is it possible to use that information to determine the sequence of the second st
which process is primarily responsible for the formation of the grand canyon? a) erosion b) combustion c) earthquake d) subduction
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 30 degrees more than that of the sma
