X - 2y = - 9
7x + 2y = 1
x - 2y = - 9
(+)
7x + 2y = 1
___________
8x = - 8
x = - 1
- 1 - 2y = - 9
2y = 8
y = 4
i am a mathematics teacher. if anything to ask please pm me
Answer:
119cm
Step-by-step explanation:
add 37 and 24 you get 61 and the size of a triangle no matter what is going to be 180 so then subtract 180 from 61 and get 119.
Answer:
X=-4
Step-by-step explanation:
Write the polynomial as an equation.
y
=
2
−
x
÷
2
+
x
Find the x-intercepts.
Tap for more steps...
x-intercept(s):
(
−
4
,
0
)
Find the y-intercepts.
Tap for more steps...
y-intercept(s):
(
0
,
2
)
List the intersections.
x-intercept(s):
(
−
4
,
0
)
y-intercept(s):
(
0
,
2
)
Answer:
x = 107
Step-by-step explanation:
44+29+107=180
a triangle equals 180 with all the degrees added together :)
Answer:
one solution the have a point trust me a