( *on Kate's bday, her mom made a chocolate cake. After the party, 2\3 of the cake was left. The next day, kait ate 1\3 of what
was left. Choose the model that shows what fraction of the cake late ate.*) TYSM IMMA GIVE YOU BRAINLEIST!! ✨❤
1 answer:
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Step-by-step explanation:
remember. the radius is always half the diameter.
volume of a cylinder
pi × r² × height
pi×7.5²×48 = pi×56.25×48 = 8,482.300165... in³
volume of a sphere
4/3 × pi × r³
and that volume should be the same as the cylinder. so,
4/3 × pi × r³ = pi×56.25×48
4/3 × r³ = 56.25 × 48
1/3 × r³ = 56.25 × 12
r³ = 56.25 × 36 = 7.5² × 6² = (7.5×6)² = 45² = 2025
which would be 12.65148998... in.