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Mathematics, 20.03.2021 01:30 madbiebzz

Can someone explain if I am wrong? My answers for this so far are:
A. (b-10)(b+10)=180 and b is 2√70
B. (2√70-10)=c, so C is 6.733201
C. (2√70+10)=d, so D is 26.733201

Can someone explain if I am wrong?

My answers for this so far are:
A. (b-10)(b+10)=180 and b is 2

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Can someone explain if I am wrong? My answers for this so far are:
A. (b-10)(b+10)=180 and b...

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