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3 years ago

7

I dont understand what to do

1 answer:

marta [7]3 years ago

7 0

Multiply negative five over three by negative thirty three and then add thirty five which will give you the answer.

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A towns population went from 25800 to 42600 in 15 years. What was the percent of change

joja [24]

165.1162791...%
To find this answer, I divided 42,600 by 25,800 and got 1.651162791... I then multiplied it by 100 to convert it into a percent and got 165.1162791...%

The "..." after the number means that the numbers continue to go on but are essentially unnecessary.

In conclusion, when you multiply 1.651162791... you get 42,600.

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4 years ago

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Find the percent change <br> 84 is decreased to 21

Pie

Answer:

so the difference is 84 - 63 = 21.

if we take 84 to be the 100%, what is 21 off of it in percentage?

Step-by-step explanation:

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3 years ago

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4 years ago

A certain large manufacturing facility produces 20,000 parts each week. The manager of the facility estimates that about 1% of t

Slav-nsk [51]

Answer:

198 is the variance for the number of defective parts made each week.

Step-by-step explanation:

We are given the following in the question:

Number of parts produced each week = 20,000

Percentage of defective parts = 1%

We have to calculate the variance for the number of defective parts made each week.

We treat defective part as a success.

P(Defective part) = 1% = 0.01

$p = 0.01$

Then the number defective parts follows a binomial distribution .

Formula for variance =

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Thus, 198 is the variance for the number of defective parts made each week.

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4 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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