2 years ago

Joe bought a $40 video game for only $28, what was the percent discount on the item?

Mathematics

1 answer:

Nata [24]2 years ago

6 0

Answer:

30 % off

Step-by-step explanation:

12 dollars off of 40

40 (x) = 12

x = 12/40 = .3 or 30 %

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3 years ago

What is the prime factorization of 693

Inessa05 [86]

Answer:

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

2x10^-4 - 1x10^-5 show work. I got an answer of 1.9x10^-4,

oksian1 [2.3K]

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

$\bf 2\times 10^{-4}-1\times 10^{-5}\implies 2\cdot \cfrac{1}{10^4}-1\cdot \cfrac{1}{10^5}\impliedby 
\begin{array}{llll}
\textit{using the LCD}\\
of~10^5
\end{array}
\\\\\\
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\\\\\\
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3 years ago

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