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+5
495
1
Algebra 1
Show step by step solving
y= 1/2x - 6
2x + 6y= 19
using elimination method.
Then show step by step solving y= 1/2x - 6 2x + 6y= 19 using graphing method.
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Guest
Jan 30, 2012
+8
458
1
Maths
admin
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Guest
Jan 30, 2012
+5
414
1
algebra
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Guest
Jan 30, 2012
+5
467
1
Trigonmerty
from a point of 100ft from the base of the cliff, Kim measures the angle of elevation to a ledge on the side of the cliff to be 42 degrees. Find the height of the ledge from the base of the cliff, to the nearest foot
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Guest
Jan 30, 2012
+5
398
0
physics
HOW DO YOU SOLVE FOR FINDING THE COLOUMB OF A CHARGE?
Guest
Jan 30, 2012
+5
457
1
Hi,
Hi,
do s.o. knows why one cannot have round numbers only?
TheJonyMyster
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Guest
Jan 30, 2012
+8
565
3
Soo... errrm calculet
So... where did the calculets go now??!?!!!?!??!!??!?!?!?!??!??!?!
Pyramid
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Guest
Jan 30, 2012
+5
434
1
fractions in modulo 12
What are fractions expressed as when the denominator is 5, as 5 is coprime to 12.
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Guest
Jan 30, 2012
+5
489
1
Math v.v
x/-9=-6
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Guest
Jan 30, 2012
+5
457
1
vectors
how do I add vectors
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Guest
Jan 30, 2012
+18
884
4
ratios and percentages
Ok He makes six quarts of brown paint by mixing equal qualities of yellow paint and violet paint The violet paint is made from one third red paint and two thirds of blue paint.
How much red paint does he use?
How much blue paint does he use?
what
read more ..
kingpifireplasma
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Guest
Jan 30, 2012
+8
489
2
Algebra 1
Hey guys! My calculator is screwed up and it wont let me do fractions.
What is 4x3/4-4=?
(3/4 is the fraction)
and
What is -4x3/4-4=?
admin
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Guest
Jan 30, 2012
+5
475
2
algebra
The scale on a map is 7cm : 6km.
If two cities are 28cm apart on the map, what is the actual distance in km between the two cities?
JaysonMaxwell
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Guest
Jan 30, 2012
+5
418
2
quadratic equations
x²+124=0
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Guest
Jan 30, 2012
+5
448
4
problem solving
Enrollment at a local university is 8,500. There are 1/3 students over 25 and under. How many students are 25 and under and how many are over 25?
Can you please show me how you do this? Thank you so very much.
Melody
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Guest
Jan 30, 2012
+5
553
2
Inequalites
-5/2x>30
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Guest
Jan 30, 2012
+8
459
2
nothing
oskar20106
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Guest
Jan 30, 2012
+5
498
1
trig
v=5(cos105i+sin105j)
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Guest
Jan 30, 2012
+5
476
2
+11
law of cosines
whats 400=169+121-286CosC . i keep getting 74.something and the answer is 112degrees37seconds? i can't find my calculator
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nessapierce9
Jan 30, 2012
+8
490
3
problem solving
Christy's plan for a rectangler dog p***s too small. The perimeter needs to be more than 118 feet. If the width should be9 feet shorter than the length, what should the lentgth be? Can you please show me how you o the problem? Thank You!!!
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Guest
Jan 30, 2012
+8
404
1
math
what are the rules to slove -1/4-(-2)?
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Guest
Jan 30, 2012
+8
446
3
solve
3x<y
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Guest
Jan 30, 2012
Jan 29, 2012
+5
544
3
math
math magicians charges a $45 registration fee plus $30per hr. tutoring fee.math master charges a $25 registration fee plus $35 per hr. tutoring fee. how many hours of tutoring would it take to math magicians cheaper than math masters?
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Guest
Jan 29, 2012
+5
497
3
Algebra
solve -6b + 1 + 4b = -3b + 6
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Guest
Jan 29, 2012
+5
511
1
Algebra 2
5.5=(1*.015)^4t
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Guest
Jan 29, 2012
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