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w/4-w/5-1/3=16/15
w/4 - w/5 - 1/3 = 16/15 w/4 - w/5 = 16/15 + 1/3 5w/20 - 4w/20 = 16/15 + 5/15 w/20 = 21/15 = 7/5 w = (7/5)(20) = 28
Question|Asked by kd142927
Asked 4/9/2014 5:47:00 PM
Updated 4/9/2014 7:14:16 PM
1 Answer/Comment
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w/4 - w/5 - 1/3 = 16/15
w/4 - w/5 = 16/15 + 1/3
5w/20 - 4w/20 = 16/15 + 5/15
w/20 = 21/15 = 7/5
w = (7/5)(20) = 28
Added 4/9/2014 7:14:16 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 7:17:42 PM]
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Questions asked by kd142927
Carlos has $3.35 in dimes and quarters. If he has a total of 23 coins, how many dimes does he have? a 9 b 11 c 16 d 18
Question|Asked by kd142927
Updated 4/9/2014 8:13:29 PM
1 Answer/Comment
Let x be the number of dimes he has and y be the number of quarters,
we were given:
x + y = 23
10x + 25y = 335
Solve the equation we get x = 16
Carlos has 16 dimes.
Added 4/9/2014 8:13:29 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 8:27:53 PM]
Solve each system of equations. If possible, write your answer as an ordered pair. y = -3x + 2 y = 4x - 5
Weegy: 4x + 12 = -3x - 6 + 4x, 4x + 12 = x - 6, 12 + 6 = x - 4x, 18 = -3x or -3x = 18, x = -6 (More)
Question|Asked by kd142927
Updated 4/9/2014 8:06:24 PM
1 Answer/Comment
y = -3x + 2
y = 4x - 5
replace y in the first equation we get:
4x - 5 = -3x + 2
4x + 3x = 2 + 5
7x = 7
x = 1
y = 4(1) - 5 = -1
The solution for the system of equations y = -3x + 2 y = 4x - 5 is (1, -1)
Added 4/9/2014 8:06:24 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 8:06:50 PM]
Solve each system of equations. If possible, write your answer as an ordered pair. y = 5x - 3 y = 2x + 6
Question|Asked by kd142927
Updated 4/9/2014 8:04:27 PM
1 Answer/Comment
y = 5x - 3
y = 2x + 6
replace y in the first equation we get:
2x + 6 = 5x - 3
2x - 5x = -3 - 6
-3x = -9
x = 3
y = 5(3) - 3 = 15 - 3 = 12
The solution for the system of equations y = 5x - 3 y = 2x + 6 is (3, 12)
Added 4/9/2014 8:04:27 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 8:08:11 PM]
Solve each system of equations. If possible, write your answer as an ordered pair. x + y = 8 x + 3y = 14
Weegy: 1 x - 3 y = - 6 ? y = x 3 + 2 (More)
Question|Asked by kd142927
Updated 4/9/2014 7:52:39 PM
1 Answer/Comment
x + y = 8
x + 3y = 14
the first equation - the second equation: 2y = 6
solve the equation: y = 3
x + 3 = 8, x = 5
The solution for the system of equations x + y = 8, x + 3y = 14 is (5, 3)
Added 4/9/2014 7:52:39 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 8:06:37 PM]
Solve each system of equations. If possible, write your answer as an ordered pair. y = -2x + 6 y = 3x - 9
Weegy: x = 2.5 (More)
Question|Asked by kd142927
Updated 4/9/2014 7:55:11 PM
1 Answer/Comment
y = -2x + 6
y = 3x - 9
Replace y in the first equation:
3x - 9 = -2x + 6
5x = 15,
x = 3
y = -2(3) + 6 = 0
The solution for the system of equations y = -2x + 6 y = 3x - 9 is (3, 0)
Added 4/9/2014 7:55:11 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [4/9/2014 8:02:39 PM]
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