The y intercept of this equation is 3.
Answer:
x=5
Step-by-step explanation:
(2x+9) + (10x+15) = 180°
2x+9 + 10x+15 = 180°
Add up liked terms
12x+24 = 180°
-24 on both sides
12x = 156°
/12 on both sides
x = 13
< ABC = (2x+9)
< ABC = 2(13)+9
Answer : < ABC = 35°
< CBD = (10x+15)
< CBD = 10(13)+15
Answer: < CBD = 145°
<span>8.7 = 3.5m - 2.5(5.4 - 6m
3.5m - 2.5(5.4 - 6m) = 8.7
18.5m - 13.5 = 8.7
18.5m - 13.5 + 13.5 = 8.7 + 13.5
18.5m = 22.2
</span><span>18.5m = 22.2
--------- --------
18.5 18.5
m = 1.2
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