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2 years ago

12

YO SMART PEOPLE WHO CAN 100% ANSWER CORRECTLY ONLY!!!!!!!!!!!! FAILING MATH NEED URGENT HELP!!!!!!!!!! INEQUALITIES!!!! Answer n

umber 10

2 answers:

ziro4ka [17]2 years ago

8 0

Look up photomath in the app store works good

dexar [7]2 years ago

5 0

C x > 3/4

okay? hope this helps

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Solve the linear equation by using the Gauss-Jordan elimination method

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Step-by-step explanation:

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3 years ago

What is the equation of the line that best fits the given data?

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3 years ago

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Which is a function?<br> look at pic

-Dominant- [34]

Answer:

option 2 {(12, 3), (11,2), ...}

Step-by-step explanation:

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2 years ago

inn [45]

Answer:

$y = 3(2)^x$

Step-by-step explanation:

Given

The attached table

Required

Determine the exponential function

An exponential function is represented as:

$y = ab^x$

From the table;

$(x,y)=(0,3)$

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$y = ab^x$

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$3 = a * 1$

$3 = a$

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Also:

$(x,y) = (1,6)$

So:

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3 years ago

According to a study conducted in one city, 39% of adults in the city have credit card debts of more than $2000. A simple random

Butoxors [25]

Answer:

The sampling distribution of the sample proportion of adults who have credit card debts of more than $2000 is approximately normally distributed with mean $\mu = 0.39$ and standard deviation $s = 0.0488$

Step-by-step explanation:

Central Limit Theorem

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.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean $\mu = p$ and standard deviation $s = \sqrt{\frac{p(1-p)}{n}}$

In this question:

$p = 0.39, n = 100$

Then

$s = \sqrt{\frac{0.39*0.61}{100}} = 0.0488$

By the Central Limit Theorem:

The sampling distribution of the sample proportion of adults who have credit card debts of more than $2000 is approximately normally distributed with mean $\mu = 0.39$ and standard deviation $s = 0.0488$

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2 years ago