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 ( 82+ )
Otras preguntas
Match the time frame of prenatal growth with the name of the developing organism. Time Frame:_______ 1) conception to 2 weeks post-conception 2) 2 weeks-8 weeks
Country A would have an absolute advantage compared to Country B in the production of corn if A) corn can be produced at lower cost in terms of other goods than
21 Many mixed drinks (Long Island Iced Tea, margaritas, etc.) have increased amounts of_______________ and one of these drinks may equal two, three, or more of
a point is reflected in the x-axis the new point is (5, -3.5) what is the distance between the two points? Urgent pls help
Grib Corporation uses a predetermined overhead rate based on direct labor cost to apply manufacturing overhead to jobs. The predetermined overhead rates for the
All of the following are EXCLUDED from the definition of an investment adviser under the Investment Advisers Act of 1940 EXCEPT:A. teachersB. engineersC. lawyer
PLZZZ HURRYYYY ITS TIMEDDDDD Daniel expanded the expression as shown. What errors did he make? Select three options. -2(-8x-4y+3/4)=-10x-8y-1 1/4 A. The first
In 2015 Huge-Packing repurchased shares of common stock worth $5,241 million and made dividend payments of $894 million. Other financing activities raised $196
One common test of language lateralization is invasive; it involves injecting ____________ into the carotid artery.
Which of the following responsibilities must be assumed by the management of a company?I. Producing goods of a marketable qualityII. Maximizing efficiency and c
