In the newest animated movie,for every 9 kids,there are 4 adults.there are a total of 39 kids + adults.How many kids are there?
1 answer:
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Answer:
Step-by-step explanation:
Opposite angles of a cyclic quadrilateral are supplementary, so <u>(6x+72)+3x=180</u>
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Answer:
The solution of the system is x=-1, y=-2
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by graphing
Remember that the solution of the system is the intersection point both lines
using a graphing tool
The intersection point is (-1,-2)
see the attached figure
therefore
The solution of the system is x=-1, y=-2
