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4 years ago

11

Express the given logarithmic expression as a single logarithm.

1 answer:

Ganezh [65]4 years ago

3 0

Using the laws of logarithms, we get: $5\ ln(x)+2\ ln(y)=ln(x)^{5}+ln(y)^{2}=ln( x^{5}y^{2})$
The answer is a.

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Suppose the selling price of homes is skewed right with a mean of 350,000 and a standard deviation of 160000 If we record the se

lys-0071 [83]

Answer:

The distribution will be approximately normal, with mean 350,000 and standard deviation 25,298.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Population:

Suppose the selling price of homes is skewed right with a mean of 350,000 and a standard deviation of 160000

Sample of 40

Shape approximately normal

Mean 350000

Standard deviation $s = \frac{160000}{\sqrt{40}} = 25298$

The distribution will be approximately normal, with mean 350,000 and standard deviation 25,298.

5 0

3 years ago

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Perform the indicated operation. Express answer as a simplified fraction (You may have

timofeeve [1]

Step-by-step explanation:

$4 + \frac{2}{3} = \frac{3 \times 4 + 2}{3} = \frac{14}{3} = 4 \frac{2}{3}$

$\frac{67}{71} \times \frac{381}{399} = \frac{67 \times 381}{71 \times 399} = \frac{25527}{28329} = \frac{8509}{9443}$

$\frac{684}{795} \div \frac{24}{37} = \frac{684}{795} \times \frac{37}{24} = \frac{25308}{19080} = 1.33$

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4 years ago

In a forested area, the number of trees, T can be expressed as a function of the initial number of trees planted. If the initial

Wewaii [24]

N = N (1+0.20)^5
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Here, that'd be 10000(1.20)^5, or 24883 trees.

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3 years ago

What value of x makes the equation below true?

AVprozaik [17]

With these, I normally use the method of "Plug and Chug" lol. I think your answer is C. -6.

7 0

3 years ago

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What is the length of BC?

Elenna [48]

Answer:

Step-by-step explanation:

Since AC and AB are opposite equal angles AC=AB

2x-24=x-2

x=22

So BC=x=22

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3 years ago

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