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Natali [406]
2 years ago
8

Make x the subject of the following y+2x=x-2

Mathematics
1 answer:
LuckyWell [14K]2 years ago
3 0
I dont know exactly what your asking but x=-y-2
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Answer:

850

Step-by-step explanation:

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3 years ago
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About 4% of the population has a particular genetic mutation. 100 people are randomly selected. Find the standard deviation for
blondinia [14]
400 because 100x40 is 400
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2 years ago
The ages of armadillos are normally distributed, with a mean of 14 years and a standard deviation of 1.2. Approximately what per
vovangra [49]

Answer:

Percentage of armadillos between 13 and 17 years = 79.052%f using Standard Normal Distribution Tables

Step-by-step explanation:

As we know from normal distribution: z(x) = (x - Mu)/SD

where x = targeted value; Mu = Mean of Normal Distribution; SD = Standard Deviation of Normal Distribution

Therefore using given data: Mu = 14, SD = 1.2 we have z(x) by using z(x) = (x - Mu)/SD as under:

Approach 1 using Standard Normal Distribution Table:

z for x=17: z(17) = (17-14)/1.2 gives us z(17) = 2.5

z for x=13: z(13) = (13-14)/1.2 gives us z(13) = -0.83

Afterwards using Normal Distribution Tables we find the probabilities as under:

P(17) using z(17) = 2.5 gives us P(17) = 99.379%

Similarly we have:

P(13) using z(13) = -0.83 gives us P(13) = 20.327%

Finally in order to find out the probability between 17 & 13 years we have:

Percentage of armadillos between 13 and 17 years = P(17) - P(13) = 99.379% - 20.327% = 79.052%

The standard normal distribution table is being attached for yours easiness.

Approach 2 using Excel or Google Sheets:

P(17) = norm.dist(17,14,1.2,1)

P(13) = norm.dist(13,14,1.2,1)

Percentage of armadillos between 13 and 17 years = { P(17) - P(13) } * 100

Download pdf
4 0
3 years ago
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Find each percent of the markup. $11.5 marked up to $25. Round to the nearest percent.
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Percent markup=amountmarkedup/original times 100

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original=13.5

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2 years ago
14-6=8 what is the tens factor used 10- what = what
Mariulka [41]

Speak Engrish son lol what=what

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3 years ago
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