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umka21 [38]
3 years ago
10

45 POINTS! PLEASE HELPPPPPPPPPPPPPP!

Mathematics
1 answer:
VMariaS [17]3 years ago
7 0

Answer:

This is a direct variation where the constant of variation is 5/9

Step-by-step explanation:

The equation for direct variation is y = kx

5x-9y =0

Lets try to get this equation in the above form

Add 9y to each side

5x-9y +9y = 9y

5x = 9y

Divide each side by 9

5/9 x = 9y/9

5/9x = y

This is in the form y = k x where k =5/9

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3x=15-6y in slope intercept form
sdas [7]

Answer:  y= -1/2x + 5/2

Step-by-step explanation:

3x = 15 -6y

+6y       + 6y

3x +6y =15

-3x           -3x

6y= 15-3x   divide both sides by 6

y= 15/6 - 3/6x

in slope intercept form us y= -3/6x + 15/6  in simplest form is y= -1/2x + 5/2

3 0
3 years ago
Which equation can be used to solve for x in the following diagram.
Romashka [77]

Answer:

11, A

Step-by-step explanation:

90 - 35 = 55

55/5 = 11

6 0
2 years ago
Read 2 more answers
What is the diameter of 80
Trava [24]
What do you mean? just the number 80?
8 0
3 years ago
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Solve for x in the triangle above
faust18 [17]

Answer:

x = 30

Step-by-step explanation:

The interior angles of a triangle must always add up to 180.

2x + 2x + 3x - 30 = 180

Add 30 to both sides to seperate variables.

2x + 2x + 3x = 210

Combine like terms.

7x = 210

Divide by 7 to isolate x.

x = 30

8 0
3 years ago
How is it going to tell me the answer
Anon25 [30]
I dont know man you gotta ask a question
7 0
3 years ago
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