Home
Class 10
MATHS
For certain simultaneous equations, if ...

For certain simultaneous equations, if
`(i) D=-5`, `D_(x)=15`, `D_(y)=-10`
`(ii) D=4`, `D_(x)=2`, `D_(y)=8`. Find the values of `x` and `y`.

Answer

Step by step text solution for For certain simultaneous equations, if (i) D=-5, D_(x)=15, D_(y)=-10 (ii) D=4, D_(x)=2, D_(y)=8. Find the values of x and y. by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 1.2|5 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise 1.3 2 marks each|10 Videos

  • LINEAR EQUATIONS IN TWO VARIABLES

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 1.1|8 Videos

  • GEOMETRIC CONSTRUCTIONS

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise CHALLENGING QUESTION|4 Videos

  • MENSURATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 8.5|8 Videos

Similar Questions

Explore conceptually related problems

For certain simultaneous equations, if (i) D_(x)=12 and D=4 , what is the value of x ? (ii) D=-3 and D_(y)=6 , what is the value of y ?

For simultaneous equations in x and y , if D_(x)=25 , D_(y)=50 and D=5 , then what is the value of x ?

Knowledge Check

  • For simultaneous equations in x and y , if D = 30 , D_(x) = -18 , D_(y) = -12 , then what is the value of y ?

    A
    `-3/5`
    B
    `3/5`
    C
    `-2/5`
    D
    `2/5`

  • For simultaneous equations in x and y , if D_(x) = 39 , D_(y) = 26 and D = 13 , Then what is the value of x ?

    A
    3
    B
    `1/3`
    C
    2
    D
    `1/2`

  • For simultaneous equations in x and y , if D_(x) = 49 D_(y) = - 63 and D = 7 , then what is the value of x ?

    A
    7
    B
    `-7`
    C
    `1/7`
    D
    `(-1)/7`

    • Similar Questions

    Explore conceptually related problems

    For simultaneous equations in variables x and y, if D_x = -14, D_y =7 and D = -35, then find the values of x and y.

    if y=x^(n) then find the value of (d^(y))/(dx^(n))

    The following determinants are obtained from the simultaneous equations in variables x and y. D_(x)|{:(-11,a),(9,-4):}|,D_(y)=|{:(3,-11),(b,9):}|,D=|{:(3,2),(7,-4):}| The solutions of the equations are x=-1 and y=-4. Find the values of a and b. Also find the original simultaneous equations having this solution.

    x is 5% of y ,\ y is 24% of z . If x\ =\ 480 , find the values of y\ a n d\ z .

    For simultaneous equations in variables x and y, D_x = 49, D_y = - 63, D = 7 then what is x ?

    Home
    Profile