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To determine the formula of a new substance, one of the first steps is to find the a molar mass b percent composition c volume at STP d number of particles per mole
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Updated 2/3/2015 9:08:21 PM
1 Answer/Comment
To determine the formula of a new substance, one of the first steps is to find the: percent composition.

Added 2/3/2015 9:08:21 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by Andrew. [4/23/2016 8:01:43 PM]
Write the slope intercept form of the equation of the line that passes through (-2, -3) and (2, -5). a y = -2x - 7 b y = 1/2x + 4 c y = -1/2x - 4 d y = -2x + 1
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Updated 9/16/2014 7:50:10 AM
1 Answer/Comment
y = -1/2x - 4 is the equation that writes in the slope intercept form of the equation of the line that passes through (-2, -3) and (2, -5 ) .
Added 9/16/2014 7:44:39 AM
Deleted by jeifunk [9/16/2014 7:50:06 AM], Undeleted by jeifunk [9/16/2014 7:50:08 AM]
Write the slope intecept form of an equation for a horizontal line that passes through (-15, 11). a y = -11 b y = 11 c y = 15 d y = -15
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Updated 11/13/2014 9:01:43 PM
1 Answer/Comment
The slope intecept form of an equation for a horizontal line that passes through (-15, 11) is y = 11
Added 11/13/2014 9:01:43 PM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [11/14/2014 3:55:07 AM]
Determine whether the function is quadratic, linear, or neither. f(x) = 3x(x + 5) a neither b quadratic c linear
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Not Answered
Updated 2/5/2013 6:00:00 PM
1 Answer/Comment
The function is quadratic: f(x) = 3x(x + 5) = 3x^2 + 5x. So because of the x in the power of 2, the function is called quadratic.
Added 2/5/2013 6:00:00 PM
Which of the following systems of equations is inconsistent? a y = 2x – 3; y = –3x + 4 b y = 7x – 2; y = –2x – 5 c 3y + 2x = 13; 6y + 4x = 3 d 4y – x = 12; 3y – 2x = 1
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Expert Answered
Updated 2/5/2013 6:40:49 PM
1 Answer/Comment
That the system of equations is inconsistent is: c 3y + 2x = 13; 6y + 4x = 3
Added 2/5/2013 6:40:49 PM
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