Answer:
4 : 12 : 15
Step-by-step explanation:
S : J = 1 : 3
J : P= 4 : 5
Using John's ratio to find a common ratio for all
S : J
(1 : 3)4 = 4 : 12
J : P
(4 : 5)3 = 12 : 15
Therefore our ratio is
S : J : P
4 : 12 : 15
It's the last one. 15/2 is 7.5.
Therefore you must do the same to the 9. Divide 9 by 7.5 To give you 1.2 and that's your answer.
All internal angles in a quadrilateral add to 360
so
x+110+110+70=360
x+290=360
minus 290 both sides
x=70 degrees
Answer:
Option D) is correct
That is x=2 , y=-5
Step-by-step explanation:
Given that the 
To find their determinants
=-8+48
=40
Therefore 
=-76+156
=80
Therefore 
=104-304
=-200
Therefore 
To find the values of x and y:
and 
x=2 and y=-5
Option D) is correct
That is x=2 , y=-5
It's very hard to work out on here, but your final answer is x=3.
You can substitute x=3 in for x to test it.
Hope this Helps!
Jared
