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2 answers:
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Correction
Answer:
Step-by-step explanation:
-We find the surface area of the formula as follows:
#We then find the area of the remaining fraction if she only ate one third:
Hence, Tina ate of the pizza.
Answer:
The system has one solution.
Step-by-step explanation:
To find the number of solutions of the system, we equal both equations for y.
If we have ax = b, in which both a and b are different of 0, we have one solution.
If both a and b are 0, we have infinite solutions.
If a is 0 and b is not, there are no solutions.
y=6/7x-8 and y=7/9x+10/9
So
Both a and b are different of 0, so the system has one solution.