`D=|[7,4],[3,2]|` what is the value of D?

If D=4 ,BAD=7,then what is the value of ANT=?

If D = 4, BAD = 7, then what is the value of ANT = ?

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

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 ?

If A:B=2:5,B:C=4:3andC:D=2:1 , what is the value of A:C:D ?

If 3x-4y+z=7; 2x-z+3y=19 ; x+2y+2z=24 , then what is the value of z ? (a) 4 (b) 5 (c) 6 (d) 8

If 3x+7=x^(2)+P=7x+5, what is the value of P?(1)/(2)(b)8(1)/(4)(c)8(1)/(2) (d) Cannot be determined

If (a)/(b)=(c)/(d)=(e)/(f)=(3)/(4) , then what is the value of (3a-4c-e)/(3b-4d-f) ?