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2 years ago

8

Extra Points! Emerson purchased a game that was on sale for 18% off. The sales tax in his county is 8%. Let y represent the orig

inal price of the game. Write an expression that can be used to determine the final cost of the game (keep simple please)

2 answers:

GalinKa [24]2 years ago

5 0

Answer:

mjgvk

Step-by-step explanation:

Tanzania [10]2 years ago

3 0

Answer:skisjsn

Step-by-step explanation:

jsksjaja

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2 years ago

7^16/7^12=7^-18/? what is the missing denominator

creativ13 [48]

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

$\bf \cfrac{7^{16}}{7^{12}}=\cfrac{7^{-18}}{x}\implies x\cdot 7^{16}=7^{12}\cdot 7^{-18}\implies x\cdot 7^{16}=7^{12-18}
\\\\\\
x\cdot 7^{16}=7^{-6}\implies x=\cfrac{7^{-6}}{7^{16}}\implies x=\cfrac{7^{-6}\cdot 7^{-16}}{1}\implies x=7^{-6-16}
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\boxed{x=7^{-22}}\implies x=\cfrac{1}{7^{22}}$

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3 years ago

Mr. Weiss is ordering parts for his wheelchair on the Internet. The website is offering 15% off orders over $250.

aleksandrvk [35]

Answer:

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