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3 years ago

3(4x - 6) = _ x - _ (No solution)

Mathematics

2 answers:

Nesterboy [21]3 years ago

5 0

Answer: you cant solve this without anything ...

Step-by-step explanation:

inn [45]3 years ago

5 0

Answer:

i'd say 12x - 18

Step-by-step explanation:

you just multiply the outside number with both inside

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SIZIF [17.4K]

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3 years ago

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3 years ago

An anthropologist wishes to estimate the average height of men for a certain race of people. If the population standard deviatio

mario62 [17]

Answer:

The probability that the difference between the sample mean $\bar{x}$ and the true population mean $\mu$ is : $P[|\bar{x}-\mu|\leq0.7]=0.9876$

Step-by-step explanation:

Given :

Population standard deviation $\sigma=2.8$ .

Sample size $n=100$

The sample mean standard deviation $=\frac{\sigma}{\sqrt{n}}$

To find :

The probability that the difference between the sample mean $\bar{x}$ and the true population mean $\mu$

$\because\frac{\sigma}{\sqrt{n}}=\frac{2.8}{\sqrt{100}}=\frac{2.8}{10}=0.28$

Now, the probability that the difference between the sample mean $\bar{x}$ and the true population mean $\mu$ is :

$P[|\bar{x}-\mu|\leq0.7]$ , $n$ is large $\Rightarrow \frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}}=z$

$\Rightarrow P[\frac{\bar{x}-\mu}{\frac{\sigma}{\sqrt{n}}}$

$\Rightarrow P[z$

$\Rightarrow P[-2.5$

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3 years ago

D. 48.1<br> Math question don't guess Please help

TiliK225 [7]

Law of sines,. a/sinA = b/sinB = c/sinC

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3 years ago

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WARRIOR [948]

Answer:

Where is the question?????

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3 years ago

3(4x - 6) = ___ x - ___ (No solution)

3(4x - 6) = _ x - _ (No solution)