4 years ago

2) Carbon dioxide is returned to the atmosphere primarily by the

Mathematics

1 answer:

krek1111 [17]4 years ago

3 0

Answer:

Respiration of humans

Step-by-step explanation:

The return of it to the atmosphere is also possibly being caused by the decay of plants and animals, also known as the process of burning something.

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Find the quotient of 21x^2y^6+6xy^3-30xy/3xy.

kaheart [24]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------$

$\bf \cfrac{21x^2y^6+6xy^3-30xy}{3xy}\implies \stackrel{\textit{distributing the denominator}}{\cfrac{21x^2y^6}{3xy}+\cfrac{6xy^3}{3xy}-\cfrac{30xy}{3xy}}
\\\\\\
\cfrac{21}{3}\cdot x^2x^{-1}y^6y^{-1}+\cfrac{6}{3}\cdot x^1x^{-1}y^3y^{-1}-\cfrac{30}{3}\cdot x^1x^{-1}y^1y^{-1}
\\\\\\
7x^{2-1}y^{6-1}+2x^{1-1}y^{3-1}-10x^{1-1}y^{1-1}\implies 7xy^5+2y^2-10$

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3 years ago

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If Rosa buys 2 drinks for 4.78 how much would she pay if she bought 4 drinks.

kicyunya [14]

Answer:

9.56

Step-by-step explanation:

4.78x2 so then your answer would be 9.56

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3 years ago

Name a tangent line in the diagram. EXPLAIN how you know it is a tangent.