1 answer:
Step-by-step explanation:
7
b²=√218²-13²
=218-169
=49
=√49
=7
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Answer:
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Step-by-step explanation:
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Answer:
Step-by-step explanation:
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Answer:

Step-by-step explanation:
Let:

Substitute for y in equation (b) to equation (a):

Also, y = 0
I believe the answer is -6