Fashionable
Someone pweez help me.
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Lime
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Yes, Algebra I, Algebra II, Calculus? You must be specific when asking questions, okay? :)
Fashionable
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Well I don tknow what it is but here's the problem.
C/5.3+8.3=11.3
Lime
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C could stand for Circumference, or a variable among other things. I'll see what I can do. Let's assume C is a variable.
Fashionable
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Okay..........
Lime
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\[C/(5.3+8.3) = 11.3 \]
Lime
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\[C \approx 153.68 \]
Fashionable
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Thx. Now I need help with this equation?
35= -5 +2x-7x
Lime
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\[35 = -5 + (2x - 7x) \] Use the substitution method.
Lime
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\[35 = -5x - 5\]
Fall12-13
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35 = -5 + (2x - 7x)
35 + 5 = -5x
40 = -5x
-40/5 = x
-8 = x
Lime
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I was too slow. x = -8. Yep. ;)
Fall12-13
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Who cares if you were slow? You do things systematically and that's great! :)
Fashionable
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Lol ya. Thank you.
Sorry, I need help with this one too.
-1.2= z/4.6-2.7
Lime
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Linear equations. I never liked these. \[-1.2 = (z) / (4.6 - 2.7) \]\[z \approx -2.28\] It's really helpful if you use a linear plane.
Fall12-13
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-1.2 = z/1.9
-1.2*1.9 = z
-2.28 = z is your final answer.
Fashionable
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4d-13+7d=-24
Fall12-13
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11d - 13 = -24
11d = -24 + 13
11d = -11
d = -1
Fashionable
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Okay.
How do you draw on this thing?
Fashionable
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10=2/7n+4
Lime
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Would you like to write equations? At the bottom of the reply box, there are four buttons. Equation - Draw - Attach File - Post.
Click the Equation button and type your problem in. Hit enter.
\[10 = 2/(7n + 4)\]
Lime
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\[10 = 2/(7n+4) \]\[6 = (2/7n)\]\[(7/2)2/7n = (7/2)6 \]\[n = 21 \]