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Semenov [28]
2 years ago
5

Volume of this hemisphere give answer to one decimal place

Mathematics
1 answer:
marusya05 [52]2 years ago
8 0

Answer:

\implies \rm Volume_{(Hemisphere)} =  \dfrac{2}{3}\pi  {r}^{3}   \\

\implies \rm Volume_{(Hemisphere)} =  \dfrac{2}{3} \times  \dfrac{22}{7}  \times 8 \times 8 \times 8 \\

\implies \rm Volume_{(Hemisphere)} =  \dfrac{2}{3} \times  \dfrac{22}{7}  \times 512 \\

\implies \rm Volume_{(Hemisphere)} =  \dfrac{22528}{21} \\

\implies \rm Volume_{(Hemisphere)} =  1072.8\:  {cm}^{3}  \\

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NeX [460]

Answer:

N(T(t))=432t^2-374.4t-118.88

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Step-by-step explanation:

The number of bacteria in a refrigerated food product is given by

N(T)=27T^2-180T+100

where, T is the temperature of the food.

When the food is removed from the refrigerator, then the temperature is given by

T(t)=4t+1.6

We need to find the composite function N(T(t)).

N(T(t))=N(4t+1.6)

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N(T(t))=432t^2+345.6t+69.12-720t-288+100

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Substitute t=5.8 in the above function.

N(T(5.8))=432(5.8)^2-374.4(5.8)-118.88

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3 years ago
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