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scoray [572]
3 years ago
14

What is the sum of (7x - 6y) and (x plus y)

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0
Heya user

we have

7x - 6y and x + y

according to the question

( 7x - 6y ) + ( x + y )

→ 7x - 6 y +x + y

→ 8x - 5y

Hope This helps you
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A report published by the Federal Reserve Bank of New York in 2012 reported the results of a nationwide study of college student
Degger [83]

Answer:

The proportion of borrowers who owe more than 54,000 is 0%.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Researchers found that the average student loan balance per borrower is $23,300.

This means that \mu = 23300

They also reported that about one-quarter of borrowers owe more than $28,000.

This means that the 1 subtracted by the p-value of Z is 0.25 when X = 28000, that is, when X = 28000, Z has a p-value of 0.75, so when X = 28000, Z = 0.675. We use this to find \sigma

Z = \frac{X - \mu}{\sigma}

0.675 = \frac{28000 - 23300}{\sigma}

0.675\sigma = 4700

\sigma = \frac{4700}{0.675}

\sigma = 6963

Estimate the proportion of borrowers who owe more than 54,000.

This is 1 subtracted by the p-value of Z when X = 54000. So

Z = \frac{X - \mu}{\sigma}

Z = \frac{54000 - 23300}{6963}

Z = 4.41

Z = 4.41 has a p-value of 1

1 - 1 = 0

The proportion of borrowers who owe more than 54,000 is 0%.

3 0
2 years ago
Which of following lies between 0 and -1 ?
kogti [31]

Answer:

Step-by-step explanation:

There are many numbers that lie between 0 and -1

Some common numbers are -1/4 , -1/2 , -3/4 , etc.........

Other numbers can be found by multiplying the numerator and denominator by the same number for example, 10

0/1 × 10/10 = 0/10

-1/1 × 10/10 = -10/10

Now the numbers between 0/10 and -10/10 are :

-1/10, -2/10....................................-9/10 etc.

hope this helps

plz mark it as brainliest!!!!!!!

6 0
3 years ago
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