sweetyus06
14.12.2019 •
Mathematics
Need some math !
factor the polynomial by grouping: 12p^3 − 21 p^2 + 28p − 49
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Ответ:
3p²(4p–7) + 7(4p–7)
(4p–7)(3p+7)
Ответ:
r = 1.68 ft
Step-by-step explanation:
Volume of a sphere, V = 4/3πr³
V = 20 ft³
π = 3.14
r = ?
V = 4/3πr³
20 = 4/3 × 3.14 × r³
20 = (4×3.14×r³)/3
Cross product
20 × 3 = 4 × 3.14 × r³
60 = 12.56r³
r³ = 60/12.56
= 4.7771
r = 3√4.7771
= 1.6842
Approximately
r = 1.68 ft to the nearest hundredth