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3 years ago

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A TV that usually sells for $193.09 is on sale for 15% off. If sales tax on the TV is 5%, what is the price of the TV, including

tax? A. $170.69 B. $230.26 C. $173.97 D. $172.33

2 answers:

katovenus [111]3 years ago

6 0

193.09x15/100=28.9635
193.09-28.9635=164.1265
164.1265x5/100=8.206325
164.1265+8.206325=172.332825
Which C

Lera25 [3.4K]3 years ago

6 0

Answer will be: C. $173.97

Hope this helps! :D

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Same case as Pablo's, more or less.

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\boxed{b}=a+150\\
0.07a+0.095b=303\\
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\end{cases}
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3 years ago

Jeff said that his city got 11/3 inches of snow. Write this fraction as a mixed number

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4 years ago

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4 years ago

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mina [271]

Answer:

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Step-by-step explanation:

$\bigstar \ (2+\sqrt{3})^6= \\\\C{}^{0}_{6}2^{6}+C{}^{1}_{6}2^{5}\sqrt{3}^1+C{}^{2}_{6}2^{4}\sqrt{3}^2+C{}^{3}_{6}2^{3}\sqrt{3}^3+C{}^{4}_{6}2^{2}\sqrt{3}^4+C{}^{5}_{6}2^{1}\sqrt{3}^5+C{}^{6}_{6}\sqrt{3}^6$

$=64+192\sqrt{3}+720 +480\sqrt{3} +540+108\sqrt{3} +27\\=1351+780\sqrt{3}$

$\bigstar\ (2-\sqrt{3} )^6 =\\\\1351-780\sqrt{3}$

$\bigstar\ \bigstar\ (2+\sqrt{3} )^6+(2-\sqrt{3} )^6 =\\\\1351+780\sqrt{3}+1351-780\sqrt{3}$

$\Longrightarrow(2+\sqrt{3} )^6+(2-\sqrt{3} )^6 =2702$

$\Longrightarrow(2+\sqrt{3} )^6 =2702-(2-\sqrt{3} )^6$

$0 < \left( 2-\sqrt{3} \right) < 1 \Longrightarrow 0 < \left( 2-\sqrt{3} \right)^{6} < 1 \Longrightarrow-1 < \left( 2-\sqrt{3} \right)^{6} < 0$

$\Longrightarrow2702-1 < 2702-\left( 2-\sqrt{3} \right)^{6} < 2702+0$

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2 years ago