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Gre4nikov [31]
3 years ago
12

What is the inverse of the given function? y = 3x 9

Mathematics
2 answers:
lakkis [162]3 years ago
6 0
Y = 3x + 9
3x = y - 9
x = 1/3 y - 3
Inverse is y = 1/3x - 3
BaLLatris [955]3 years ago
5 0

Answer:

Step-by-step explanation:

The given equation is y=3x+9.

To find the inverse of the function we switch x and y then solve for y .This will give us the inverse of the function.

Switching x  and y in the given equation we have :

x=3y+9.

Adding 9 both sides :

x-9=3y.

With y term 3 is multiplied .Dividing both sides by 3 we have:

\frac{x}{3} -3=y

Or y=\frac{1}{3} x-3

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3 years ago
the sum of three number is 202, the second is three more than the first number, the third number is three times the second numbe
sertanlavr [38]

Answer:

x = 38

y = 41

z = 123

Step-by-step explanation:

x + y + z = =202

y = x + 3

z = 3y = 3(x + 3) = 3x + 9

<u>x</u> + <u>y</u> + <u>z</u> = <u>x</u> + <u>x + 3</u> + <u>3x + 9</u> = 5x + 12 = 202

5x + 12 = 202

5x = 190

x = 38

y = x + 3 = 41

z = 3y = 123

4 0
3 years ago
Can anyone answer this
erik [133]

Answer:

Step-by-step explanation:

1. 10² + 7² = x²

 149 = x²

 x = √149

2. x² + 19² = 21²

 x² = 21² -  19² = 80

 x = √80 = 4√5

3. x² + 16² = 27²

 x² = 27² - 16² = 473

 x = √473

4. 5.3² + 12.8² = x²

 191.93 = x²

 x = √191.93

5. 9² + 20² = x²

 481 = x²

 x = √481

6. 31 = x + 2√(19²-17²) = x + 2·6√2 = x + 12√2

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5 0
3 years ago
Natalie’s income statement for the month of October is shown. Natalie monthly income statement for October. Total wages are 3,00
rusak2 [61]

Natalie’s net income for the month of October is $1,930.

<h2>Net Income </h2>

The net income of a person is the income of the person that is left with him after deducting all of his\her expenses and deductions.

\rm Net\ Income = Total\ salary - Total\ expenses - Deductions

<h2 /><h2>Given to us</h2>
  • Natalie's monthly income statement for October. Total wages are 3,000 dollars.
  • Total expenses are 1,070 dollars.

<h3 /><h3>Natalie’s net income</h3>

the total wage Natalie is already given is $3,000, and her expenses as $1,070, while there are no deductions from his salary. therefore,

\rm Natalie 's\ Net\ Income= Total\ salary - Total\ expenses - Deductions

                                 =\$3,000 - \$1,070 -\$0\\= \$1930

Hence, Natalie’s net income for the month of October is $1,930.

Learn more about Net Income:

brainly.com/question/25247632

7 0
3 years ago
10 • 1/10 =1 a) This is an example of the additive inverse property
saul85 [17]

Answer:

C) Multiplicative Inverse Property

Step-by-step explanation:

Because 1/10 is the inverse of 10.

For example, 15*(1/15)=1.

5 0
3 years ago
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