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3 years ago

Pls help fast!

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

5 0

Step-by-step explanation:

$\frac{16}{100} \times 40 \\ = \frac{16}{10} \times 4 \\ = 0.16 \times 4 \\ = \frac{16}{25} \\ = 0.64$

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Step-by-step explanation:

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Tickets at a particular movie theater have different rates for adults and children. On Friday, the theater sold 4 adult tickets

Thepotemich [5.8K]

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Step-by-step explanation:

Let the price for the adult ticket be x

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According to question, On Friday ,

$4x+7y=83$

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$4x+7y=83\\\\4(\frac{90-6y}{5})+7y=83\\\\360-24y+35y=83\times 5\\\\35y-24y=415-360\\\\11y=55\\\\y=\frac{55}{11}\\\\y=5$

Now, put the value of y in the equation that is given by

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lorasvet [3.4K]

Answer:

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Step-by-step explanation:

y = k / x²

Plug in values.

9 = k / (-3)²

9 = k / 9

Solve for k by multiplying both sides by 9.

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3 years ago