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3 years ago

PLSS HELP IMMEDIATELY!!!! ILL MARK BRAINIEST IF U DONT LEAVE A LINK OR GUESS!!!!!

Mathematics

2 answers:

Lina20 [59]3 years ago

7 0

Answer:

11 more grams of fiber

Step-by-step explanation:

So in one gram there are 1,000 mg, so you do 20,000 ÷ 1,000 to get that the recommended amount of fiber is 20g. We also know that she had 4 + 5 grams of fiber which is 9, so we do 20 - 9 to get 11. Therefore she needs to have 11 more grams of fiber.

frutty [35]3 years ago

5 0

Answer:

11 grams

Step-by-step explanation:

First convert 20,000 mg to grams = 20 g

Add the amount of fiber she ate so

4+5=9

subtract that from the total

20-9= 11

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Answer:

Rate at which volume of the snowball decreasing = 90.48 cm³/min

Step-by-step explanation:

$\texttt{Volume of sphere, V =}\frac{4}{3}\pi r^3=\frac{4}{3}\pi \left (\frac{D}{2} \right )^3=\frac{1}{6}\pi D^3$

Differentiating with respect to time,

$\frac{dV}{dt}=\frac{d}{dt}\left (\frac{1}{6}\pi D^3 \right )=\frac{1}{6}\pi \times 3D^2\frac{dD}{dt}\\\\\frac{dV}{dt}=\frac{1}{2}\pi D^2\frac{dD}{dt}$

Substituting

D = 12 cm and rate of change of diameter = 0.4 cm/min.

$\frac{dV}{dt}=\frac{1}{2}\pi D^2\frac{dD}{dt}\\\\\frac{dV}{dt}=\frac{1}{2}\pi \times 12^2\times 0.4=90.48cm^3/min$

Rate at which volume of the snowball decreasing = 90.48 cm³/min

3 0

3 years ago

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alisha [4.7K]

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Step-by-step explanation:

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3 years ago