3x + y = -3
-2x + y = 7
Use elimination method
Subtract both equations
5x = -10, x = -2
Plug in -2 for x (any equation)
3(-2) + y = -3
-6 + y = -3
y = 3
Solution: x = -2, y = 3
Or as a coordinate: (-2, 3)
Answer:
3 terms
Step-by-step explanation:
4 4x and 9x
2 7/8 + 2 3/8= 4 10/8, which equals 5 2/8, which is also equal to 5 1/4
Answer:
Step-by-step explanation:
Given
See attachment for triangle
Required
Find 
and 
of angle Y
For angle Y:
The 
of an angle is calculated as:
So:
The 
of an angle is calculated as:
So:
The of an angle is calculated as:
So:
Answer:
the answer is D
Step-by-step explanation:
that is R ND Q re on the same line as well as S ND
