3 years ago

Give the sum of each arithmetie series.(24) + (-21) + (-18) +...+ 300

Mathematics

1 answer:

stellarik [79]3 years ago

8 0

285 but what number goes in the ...

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2 years ago

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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}
\\\\\\
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2 years ago

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Give the sum of each arithmetie series.(24) + (-21) + (-18) +...+ 300​

Give the sum of each arithmetie series.(24) + (-21) + (-18) +...+ 300