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bonufazy [111]
3 years ago
13

What are the x-intercept and the y-intercept of the graph of 9x - 7y = -63?

Mathematics
1 answer:
trasher [3.6K]3 years ago
7 0

Answer:

x-int:  x = -7  and  y-int:  y = 9

Step-by-step explanation:

9x - 7y = -63

x-int:     9x - 0 = -63

x = -7

y-int:   -7y = -63

y = 9

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First, let's count the number of subsets that contain the element 3.

Any of such subsets has five elements, but since 3 is already an element, we only have to select four elements to complete it. The four elements must be different from 3 and 4 (3 cannot be selected twice and the condition does not allow to select 4), so there are eight elements to select from. The number of ways of doing this is {}_8C_4=70.

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