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MariettaO [177]

3 years ago

10

About 0.036% of the water on earth is found in lakes and rivers which of the following shows 0.036% written as a fraction select

all that apply

1 answer:

KengaRu [80]3 years ago

5 0

Which that apply?

but some easy ones that comes to mind are 36/1000 and 9/250

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A conical tank (with vertex down) is 10 feet across the top and 12 feet deep. If water is flowing into the tank at a rate of 10

just olya [345]

Answer:

$\frac{dh}{dt}$ ≅ $0.286\frac{ft^{3} }{min}$

Step-by-step explanation:

$V=\frac{\pi }{3}r^{2}h$ ; rate of change $\frac{dV}{dt}=10\frac{ft^{3} }{min}$ , we must find the rate of change of the depth $\frac{dh}{dt} =?;h=8ft$

5h=12r; $V=\frac{\pi }{3}\({\((5h}/12} )} ^{2}h=\frac{\pi }{3}(\frac{25h^{2} }{144})h; V=\frac{25\pi h^{3}}{432}$ ; deriving $\frac{dV}{dt} = \frac{25\pi }{432}(3h^{2})\frac{dh}{dt}$ → $10=\frac{25\pi h^{2}}{144} \frac{dh}{dt}$ → h=8 then $\frac{dh}{dt}=\frac{1440}{25\pi 64}=\frac{9}{10\pi}$ ≅ 0.286 $\frac{ft^{3} }{min}$

3 0

3 years ago

Simplify the following 20 1/4 - 9 1/2 + 11

Y_Kistochka [10]

Answer:

21 3/4

Step-by-step explanation:

3 0

2 years ago

The Baltimore Aquarium requires 3 adult chaperones for every 15 students on a field trip. How many chaperones would be needed fo

Elden [556K]

There would need to be 25 adult chaperones.

The ratio would be 3 adults to every 15 kids. 3:15
To find how many adults are needed for 125 kids you would simply divide.
125/5=25

Hope this helps! :)

6 0

3 years ago

Write an equation for this table use this to help. Y=mx+b<br> HELP FAST

AfilCa [17]

Pues no se nada alv perdon

7 0

2 years ago

Each big square below represents one whole.

tatyana61 [14]

Answer:

45 percent /100 percent

4 0

2 years ago