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mihalych1998 [28]
2 years ago
10

Find the error & explain why it is wrong:

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
8 0

( { \frac{4 {x}^{3} }{ {y}^{4} }) }^{ - 2}  =  \frac{16x {}^{6} }{ {y}^{8} }

\frac{(4 {x}^{3})^{ - 2}  }{ { {(y}^{4} )}^{ - 2} }  =  \frac{16 {x}^{6} }{ {y}^{8} }

\frac{ {16x}^{ - 6} }{ {y }^{ - 8} }  = \frac{ {16x}^{6} }{ {y}^{8} }

The power of -2 was mistook as 2.

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The price of an item has been reduced by 70% the original price was $58 what’s the price of the item now ¿
Mamont248 [21]

Answer:$17.40  


Step-by-step explanation:

This is a very simple question. First since 70% is the amount of money removed, we do 100-70=30

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30/100*58=17.4

The answer is $17.40  

6 0
3 years ago
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3 years ago
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kherson [118]
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8 0
3 years ago
Geometry Please Help.. (22 points)
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evablogger [386]

Answer:

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Step-by-step explanation:

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Then the "direct variation equation" here is y = -2x.

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