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3 years ago

5

HELPPPP PLEASE UNDER 10 MINUTESS

2 answers:

Eduardwww [97]3 years ago

5 0

You can just subtract 6% from 30% to get the correct percentage decrease because a sales tax is added to the price.

30%-6%= 24%

Convert that to a decimal.

24%= .24

50*.24= 12

50-12= 38

Maggie paid $38 dollars for the pair of shoes.

I hope this helps!
~kaikers

fgiga [73]3 years ago

5 0

50*70%*6%

=35*0.06

=2.1

50*70%+2.1

=35+2.1

=37.1

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Nuetrik [128]

Answer:

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Step-by-step explanation:

The bacterial population growth formula is:

$P = P_0 \times e^{rt}$

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Data: The doubling period of a bacterial population is 20 minutes (1/3 hour). Replacing this information in the formula we get:

$2 P_0 = P_0 \times e^{r 1/3}$

$2 = e^{r \; 1/3}$

$ln 2 = r \; 1/3$

$ln 2 \times 3 = r$

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Data: At time t = 100 minutes (5/3 hours), the bacterial population was 90000. Replacing this information in the formula we get:

$90000 = P_0 \times e^{2.08 \; 5/3}$

$\frac{9000}{e^{2.08 \; 5/3}} = P_0$

$2810 = P_0$

Data: the initial population got above and t = 5 hours. Replacing this information in the formula we get:

$P = 2810 \times e^{2.08 \; 5}$

$P = 92335548$

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kow [346]

Step-by-step explanation:

in my opinion

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Step-by-step explanation:

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