3 years ago

If y = 5x − 3, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?

1 answer:

4 0

U would solve this by subbing in ur answer choices to see which ones make the equation true.

ur answer is : (-1,-8) , (0,-3), (3,12)

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2. In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviati

Kobotan [32]

Answer: $85,000

Step-by-step explanation:

Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

$\mu_M=40,000\ \ ;\sigma_M=12,000$

Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.

$\mu_F=45,000\ \ ;\sigma_F=18,000$

If C denote the combined earnings for a randomly selected couple.

Then, the mean of C will be :-

$\mu_c=\mu_M+\mu_F\\\\=40,000+45,000=85,000$

Hence, the mean of C = $85,000

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3 years ago

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bixtya [17]

Answer
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Explanation

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3 years ago

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Order these numbers form least to greatest<br><br> 7 and 4/11, 7.362, 147/20, 7.99

mash [69]

7, 4/11, 7.362, 147/20, 7.99

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3 years ago

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Factorise fully : <br><br>4(x - y)^2 - 9(x + y)^2

sergeinik [125]

Answer:

- ( 5x + y ) ( x + 5y )

-5x^2 - 5y^2 - 26xy

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3 years ago

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I really need help please

Leokris [45]

Answer:

So we have two given angles- 31* and 43*.

First we add those together.

31* + 43* = 74*

Then, we subtract that amount from 180*

180* - 74* = 106*

106* is the missing angle.

x106* - 31* = 75*

x106* + 43* = 149*

~Hope this helps~

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2 years ago