Complimentary angles add up to 90 degrees
AEC and CED are complimentary
Hello there.
<span>How many solutions does the system of equations have y=5x+7 and 3y-15x=18
</span><span>B two
</span>
Answer:
z = -5
Step-by-step explanation:
3(0.7z + 2.8) = 7(1.5z + 7.2)
2.1z + 8.4 = 10.5z + 50.4
2.1z - 10.5z = 50.4 - 8.4
-8.4z = 42
z = 42/(-8.4)
z = -5
Answer:
I think most of the time it might be bots or the person might not know the answer and simply want the points, if you have a question I can take a look at it though.
Yes, you do so that when you subtract, you subtract each number for their specific place value.
Hope this helps :)