2 years ago

ILL GIVE BRAINLIST IF YA FOLLOW ME!( WHOEVER FOLLOWS FIRST)

Mathematics

2 answers:

docker41 [41]2 years ago

7 0

Answer:

Now you can give Itzzzsaraaa1507 brainliest

Step-by-step explanation:

Citrus2011 [14]2 years ago

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Answer:

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Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shap

gayaneshka [121]

Answer:

0.13 ft/min

Step-by-step explanation:

We are given that

$\frac{dV}{dt}=15ft^3/min$

We have to find the increasing rate of change of height of pile when the pile is 12 ft high.

Let d be the diameter of pile

Height of pile=h

d=h

Radius of pile,r= $\frac{d}{2}=\frac{h}{2}$

Volume of pile= $\frac{1}{3}\pi r^2 h=\frac{1}{12}\pi h^3$

$\frac{dV}{dt}=\frac{1}{4}\pi h^2\frac{dh}{dt}$

h=12 ft

Substitute the values

$15=\frac{1}{4}\pi(12)^2\frac{dh}{dt}$

$\frac{dh}{dt}=\frac{15\times 4}{\pi(12)^2}$

$\frac{dh}{dt}=0.13ft/min$

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4 years ago

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atroni [7]

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$81\pi$

Step-by-step explanation:

Area = pi*r^2

Area = pi*9^2

Area = $81\pi$

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3 years ago

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She can make 3 shorts

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SOMEONE HELP PLZ ASAP!!!!!

stiv31 [10]

Answer:

a)A=53

b)A=42.68

c)A=60

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3 years ago

ILL GIVE BRAINLIST IF YA FOLLOW ME!( WHOEVER FOLLOWS FIRST) ​

ILL GIVE BRAINLIST IF YA FOLLOW ME!( WHOEVER FOLLOWS FIRST)