Answer:
A = 5538.96mm
Step-by-step explanation:
A = πr2
A = π × 422
A = 1764π
A = 5538.96
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Answer:
7x-7=y
Step-by-step explanation:
5x+7y=10
5x-10=10-7y-10
5x-10=-7y
(1/7)5x-10=7y(1/7)
5x/35-10/70=y
7x-7=y
<em>Sana</em><em> </em><em>maka</em><em>tulong</em><em> </em>