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

the data represents the total number of people who bought bananas each hour at a grocery store. 1,1,5,5,7,8,8,10,12 which box plot correctly represents the data
how was the declaration of independence different from previous documents prepared by colonists
lucas goes stand-up paddleboarding three days a week and paddles at a leisurely pace. his local surf shop is hosting a stand-up paddleboarding race at the end o
if juliet consistently buys health insurance for twenty years but never suffers a costly illness, were her premium payments wasted?
raise the product of 44 and 9 to the power of the sum of 2 and 5
Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 2, 4, 8, 16, –32, 64, … A. 2003-20-0
Stored food in plants is eaten by animals for energy. true false
simplify the expression below. 4g^3h 18g^5 8g^2h
e synthesis (S) phase is characterized bya) DNA replication
what is the correct order of structures in a chromosome from smallest to largest?