A proportional relationship is represented by the equation 2x = 18y. IF y = kx, where k is the constant of proportionality, find the value of k.

Answers

Answer 1
Answer:

The value of the constant of proportionalityk is 1/9

What is a proportional relationship?

It is defined as the relationship between two variables when the first variable increases the second variable also increases according to the constantfactor.

We have a proportional relationship is represented by the equation:

2x = 18y

After arranging the equation take the subject y

\rm y = (2)/(18) x

\rm y = (1)/(9) x .....(1)

Comparing this equation to the equation y = kx

We will get the value of k which is the coefficient of x in the equation (1)

k = 1/9

Thus, the value of the constant of proportionalityk is 1/9

Learn more about the proportional here:

brainly.com/question/14263719

Answer 2
Answer: 2x=18y\ny=(2)/(18)x\ny=(1)/(9)x\n\nk=(1)/(9)

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What is 2*8[(9+0)6*9]?

Answers

Answer:

The answer is 7776!  

Step-by-step explanation:

Use PEMDAS

PEMDAS:

Parentheses

Exponents,

Multiplication

Division (from left to right),

Addition and

Subtraction (from left to right).

the answer is 776 i used pemdas

What is true of the function g(x) = –2x2 + 5?

Answers

Answer:

c

Step-by-step explanation:

The variable x represents the independent variable.

The function has the following properties:
The graph is a parabola curving downwards.
The vertex is at (0,5).
The axis of symmetry is the y-axis.
The domain is all read number.
The range is all numbers less than or equal to 5.

A grocer wants to make a 10-pound mixture of peanuts and cashews that he can sell for $4.75 per pound. If peanuts cost $4.00 per pound and cashews cost $6.50 per pound, how many pounds of cashews should he use?3

4

6

7

Answers

He needs 5 pounds of cashews

Answer:

ZE ANSWER IS 3

Step-by-step explanation:

Please help me with both questions!!!!​

Answers

Answer:

  16.  y < 1 - 2|x -2|

  17.  y ≥ 3 + (1/2)|x -2|

Step-by-step explanation:

16. Shading is below the dashed line, so the inequality is ...

  y < (something)

The function is an inverted absolute value function with slopes ±2, so -2 is the multiplier. Its vertex is translated to (2, 1), so the parent function is modified to be ...

  f(x -2) +1

With the multiplier and the comparison added, the whole inequality is ...

  y < -2|x -2| +1

__

17. Shading is above the solid line, so the inequality is ...

  y ≥ (something)

The function is an absolute value function translated to (2, 3) and given a vertical scaling of 1/2. So, your inequality is ...

  y ≥ (1/2)|x -2| +3

Answer:

 16.  y < 1 - 2|x -2|

 17.  y ≥ 3 + (1/2)|x -2

Step-by-step explanation:

PLS
HELP
ILL
GIVE
MORE
IF
ITS
RIGHT

Answers

Answer:

hello its me again and im trying to help you kid

Step-by-step explanation:

The answer to ur question is b

25 percent off 20 dollars

Answers

Answer:

5 dollars

Step-by-step explanation:

25% × 20

= 25/100 × 20

= 5 dollars

____________

hope this helps!