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vesna_86 [32]
2 years ago
9

Choose a reasonable estimate. The amount of water a cup can hold: 250mL ? 250L.

Mathematics
1 answer:
Amanda [17]2 years ago
6 0

Answer:

250 ml

Step-by-step explanation:

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A spherical balloon is inflated so that its volume is increasing at the rate of 3 ft3/min. How fast is the diameter of the ballo
beks73 [17]

When an spherical balloon volume is increasing at the rate of 3ft^3/min then the diameter of the balloon is increasing \frac{3}{2\pi }ft /min

How can we find the rate of change of balloon's diameter ?

The volume of a spherical balloon is v=\frac{4}{3} \pi r^3

In form of diameter we can write as

v=\frac{4}{3} \pi (\frac{D}{2} )^3\\=\frac{1}{6} \pi D^3

Now we will differentiate both sides wrt to t we get

\frac{dv}{dt} =\frac{1}{6} \pi 3D^2 \frac{dD}{dt} \\\frac{dD}{dt} =\frac{2}{\pi D^2} \frac{dv}{dt} \\\\when r=1\\D=2ft

Given in the question \frac{dv}{dt} =3ft^3/min

thus when we substitute the values we get

\frac{dD}{dt} =\frac{2}{\pi *2^2} (3)\\\frac{dD}{dt}=\frac{3}{2\pi }  ft/min

Learn more about the differentiation here:

brainly.com/question/28046488

#SPJ4

3 0
2 years ago
Can someone help me solve this
Rainbow [258]

Answer:

x=21

Step-by-step explanation:

since the triangle is isosceles, the two lower angles are equal.

2(2x+3)=90

4x+6=90

4x=84

x=21

4 0
2 years ago
Can you plz help me plz help me plz plz plz plz help me help help me plz help me I’m begging you plz help me plz help plz plz he
Radda [10]

Answer:

<u><em>Explanation:</em></u>

Since the distance from the school to the bank is 4 units, then the library would be 4 units always from the school!

<em><u>How to solve:</u></em> Look at the answer choices and see which one is 4 units away.

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3 0
2 years ago
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AYUDA! Necesito ayuda con estas sencillas preguntas son muy fáciles y pago bien :)
blagie [28]

Answer:

I don't understand anyone that have a different language ._.

Step-by-step explanation:

cuz I can't the answer question ._.

8 0
3 years ago
A square room has a tiled floor with 144 tiles. How many tiles are along the edge?
pentagon [3]
36
This is because its a square shape so you would divide 144 by 4 and you get 36

I hope this helps:) 
6 0
2 years ago
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