2 years ago

What is pollution ????,

1 answer:

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Answer:

Pollution is the introduction of harmful materials into the environment. Landfills collect garbage and other land pollution in a central location. ... They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.

Step-by-step explanation:

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I will give Brainliest and five stars to correct answer

Oduvanchick [21]

A(n)=a(1)+d(n-1), d=a(16)-a(15)=-5-(-53)=48
a(15)=a(1)+d*(15-1),
-53=a(1)+48*(15-1),
a(1)=-53-48*14= -725
a(n)=-725+48(n-1)

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2 years ago

What is the graph of the equation 9x^2 + 4y^2 - 18x + 8y - 23 = 0 ? Also, how did you get that?

Dmitriy789 [7]

13xy^2-10xy-23=0

you first add the like terms and rewrite and thats how you get the answer

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