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Ratling [72]
3 years ago
14

What was the first known permanent photograph called

Advanced Placement (AP)
2 answers:
alexira [117]3 years ago
4 0
Le Gras by Joeseph Nicephore Niepce
kipiarov [429]3 years ago
4 0

Answer:

"View from the Window at Le Gras."

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Paint spills onto a floor in a circular pattern. the radius of the spill increases at a constant rate of 2.5 inches per minute.
Korvikt [17]

How fast is the area of the spill increasing when the radius of the spill is 18 inches is d) 90pi in ^2/min.

<h3>Area of the spill</h3>

Area of the spill=S=πr²

dS/dr=(πr²)=2πr

Radius change with speed=dr/dt =2.5(m/s)

Area of the spill will increase with speed

dS/dt = dS/dr × dr/dt =2πr ×dr/dt

=2π×18×2.5

=282.74m²/s or 90pi in²/min


Therefore the correct option is D.

Learn more about area of the spill here:ttps://brainly.com/question/3818648

#SPJ1

5 0
2 years ago
To what ecosystem are coral reefs compared? Why is it impotant to conserve biodiversity?
disa [49]

Answer:

Coral reefs ecosystem : It is a type of ecosystem which is present inside the ocean water. It is made up of coral, sponges and crustaceans etc. It is very important to conserve biodiversity of marine because more than twenty five percent of marine animals are live there.

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3 years ago
Should the right to revolt have been included in a founding document such as the Declaration of Independence? Give reasons for a
morpeh [17]
I think the right to vote is already a right seeing free speech and right to bear arms...
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Describe one economic factor leading to gender inequality in agriculture.
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That women should make the same amount of men when working in agriculture.
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Convert the mixed numbers to improper fractions, then find the LCD and combine.
olga_2 [115]

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100 <3

<em>have a great day </em>

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