noremacnoslen noremacnoslen
  • 03-12-2020
  • Mathematics
contestada

7.) Зу = 2-х
2y + 10 = 6x

Respuesta :

iswaryalakshmi2007 iswaryalakshmi2007
  • 03-12-2020

Answer:

By cross multiplication method

x=

(a

1

b

2

−a

2

b

1

)

(b

1

c

2

−b

2

c

1

)

&

y=

(a

1

b

2

−a

2

b

1

)

(c

1

a

2

−c

2

a

1

)

Where a

1

x+b

1

y+c

1

=0 & a

2

x+b

2

y+c

2

=0

are 2 lines

⇒x=

2(−2)−(3×3)

3(−6)−(−2)(−17)

=

−13

−52

=4

y=

2(−2)−(3×3)

(−17)3−(−6)2

=

−13

−39

=3

⇒

x=4&y=3

Answer Link

Otras preguntas

Speciation occurs during the evolutionary development, or phylogeny, of a species. In which of the following situations can speciation occur? When a populat
When a small group of people has all the power it's a.......
make a list of three things you have to do to get ready for the party using tener que infinitive.
the cryosphere represents all living things a. true b. false
can you help review my essay
Describe the motion of the car as it moved across the floor
how do you change 65/117 to simplest form
if $15 % of $375,how much is 5%
anti-virus software protects against _____. a. malware b. new programs c. contagious diseases d. errors in documen
what are signal words? a. words that indicate connections between ideas b. words that introduce new topics c. words that define other words d. words used in a t