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X2 + 17x + 42 = 0 solving quadratics by factoring (the solution has brackets around them)
1 answer:
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Area =
The diameter is double the length of the radius
7 ÷ 2 = 3.5
3.5 × 3.5 = 12.25
= 38.4845100064751
38.4845100064751 rounded to the nearest tenth is 38.5