The value of y varies directly with x, and y = 1 when x = 3.
Find y when x = 18.
A. 9
B. 3
C. 6
D. 2

Question

Asked 9/16/2014 7:02:45 AM

Updated 9/16/2014 11:25:55 PM

1 Answer/Comment

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Flagged by yeswey [9/16/2014 11:25:03 PM]

s

when y = 14,

1/2x = 14

x = 14(2) = 28

The value of x is 28 when y = 14

Question

Asked 9/16/2014 7:02:45 AM

Updated 9/16/2014 11:25:55 PM

1 Answer/Comment

This conversation has been flagged as incorrect.

Flagged by yeswey [9/16/2014 11:25:03 PM]

Rating

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The value of y varies directly with x, and y = 1 when x = 3.

The equation is y = kx where k is the constant.

k = y/x = 1/3

The equation is y = 1/3x

When x = 18, y = (1/3)*18 = 18/3 = 6

The equation is y = kx where k is the constant.

k = y/x = 1/3

The equation is y = 1/3x

When x = 18, y = (1/3)*18 = 18/3 = 6

Added 9/16/2014 11:25:55 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/16/2014 11:39:54 PM]

The value of y varies directly with x, and y = 3 when x = 6.
Find y when x = 1.
A. 0.5
B. 0.5
C. 2
D. 2
**Weegy:** y = 2.5 when x =4. **User:** The value of y varies directly with x, and y = 12 when x = 6.
Find y when x = 4.
A. 8
B. 8
C. 6
D. 6
**Weegy:** y varies directly with x, and k = 1/2, the equation is y = 1/2x when y = 14, 1/2x = 14 x = 14(2) = 28 The value of x is 28 when y = 14 (More)

Question

Updated 9/16/2014 11:09:37 PM

2 Answers/Comments

The value of y varies directly with x, the equation is y = kx.

y = 3 when x = 6.

3 = 6k, k = 3/6 = 1/2.

The equation is y = 1/2x

When x = 1, y = 1/2(1) = 1/2

y = 3 when x = 6.

3 = 6k, k = 3/6 = 1/2.

The equation is y = 1/2x

When x = 1, y = 1/2(1) = 1/2

Added 9/16/2014 11:06:47 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/17/2014 2:25:07 AM]

The value of y varies directly with x, and y = 12 when x = 6.

The equation is y = kx where k is the contant.

And k = y/x = 12/6 = 2

The equation is y = 2x

when x = 4, y = 2(4) = 8

The equation is y = kx where k is the contant.

And k = y/x = 12/6 = 2

The equation is y = 2x

when x = 4, y = 2(4) = 8

Added 9/16/2014 11:09:17 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/17/2014 2:25:48 AM]

The value of y varies directly with x, and y = 4 when x = 10.
Find y when x = 1.
A. 2.5
B. 2.5
C. 0.4
D. 0.4 **Weegy:** y = 2.5 when x =4. **User:** The value of y varies directly with x, and y = 3 when x = 1.
Find y when x = 5.
A. 12
B. 15
C. 2
D. 15
**Weegy:** y varies directly with x, and k = 1/2, the equation is y = 1/2x when y = 14, 1/2x = 14 x = 14(2) = 28 The value of x is 28 when y = 14 (More)

Question

Updated 9/16/2014 11:16:41 PM

2 Answers/Comments

The value of y varies directly with x, and y = 4 when x = 10.

The equation is y = kx where k is the constant.

With given values we get k = y/x = 4/10 = 2/5

the equation is y = (2/5)x

when x = 1, y = (2/5) * 1 = 2/5 = 0.4

The equation is y = kx where k is the constant.

With given values we get k = y/x = 4/10 = 2/5

the equation is y = (2/5)x

when x = 1, y = (2/5) * 1 = 2/5 = 0.4

Added 9/16/2014 11:11:15 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/16/2014 11:45:24 PM]

The value of y varies directly with x, and y = 3 when x = 1.

The equation is y = kx where k is the constant.

k = y/x = 3/1 = 3

The equation is y = 3x.

When x = 5, y = 3(5) = 15

The equation is y = kx where k is the constant.

k = y/x = 3/1 = 3

The equation is y = 3x.

When x = 5, y = 3(5) = 15

Added 9/16/2014 11:16:41 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/16/2014 11:45:54 PM]

The value of y varies directly with x, and y = 1 when x = 2.
Find y when x = 4.
A. 2
B. 4
C. 2
D. 8
**Weegy:** y varies directly with x, and k = 1/2, the equation is y = 1/2x when y = 14, 1/2x = 14 x = 14(2) = 28 The value of x is 28 when y = 14 (More)

Question

Updated 9/16/2014 11:04:32 PM

1 Answer/Comment

The value of y varies directly with x, the equation is y = kx where k is the constant. y = 1 when x = 2, substitute the value in the model: 2k = 1, k = 1/2.

The equation is y = 1/2x. When x = 4, y = (1/2)*4 = 2

The equation is y = 1/2x. When x = 4, y = (1/2)*4 = 2

Added 9/16/2014 11:04:32 PM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [9/17/2014 2:15:02 AM]

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