Answer:
Step-by-step explanation:
a^2+b^2=400
a^2=400-b^2
a=sqrt(400-b^2) & -sqrt(400-b^2)
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b^2=400-a^2
b=sqrt(400-a^2) & -sqrt(400-a^2)
Answer:
x = 497.5
Step-by-step explanation:
that's the correct answer with solution
Im pretty sure the correct answer is the fourth one
Answer:
0.069
Step-by-step explanation:
6.9 ×10^-2
69/1000
0.069