dddan
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 23
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 Questions Asked
 9
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 0
 Medals Received
 0

 Questions Asked
 49
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 Medals Received
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Questions Asked

dddan:
Group Title
how do you find the perfect square trinomial with just w^2+1/2w?
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
how do you prove that (5,1); (3,4); (3,0); (1,3) are points of a rectangle?
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
please help!
how do you write and equation of a line with the points(1/2,1/4), (1/3,1/5) and using only integers.
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
please help;
what is the equation of a line with the given points are (4,1), (2,6)
 updated one year ago
 12 replies
 1 Medal
Mathematics

dddan:
Group Title
what characteristics distinguish slugs from nudibrachs?
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
how do you balance out O(3)+NO yields O(2)+NO(2)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dddan:
Group Title
in the reaction of Si+2Cl yields SiCl4
in this reaction 0.507 mole of SiCl4 is produced how many moles of molecular chlorine were used in …
 updated one year ago
 9 replies
 1 Medal
Mathematics

dddan:
Group Title
Silicon tetrachloride (SiCl 4 ) can be prepared by heating
Si in chlorine gas:
Si1s2 1 2Cl21g2¡SiCl41l2
…
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
how can hydra and dugesia regrow body parts and humans can't?
PLEASE HELP!!!
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dddan:
Group Title
how do you find the center for a circle with the equation x^2+y^2=5x+6y
 updated one year ago
 10 replies
 1 Medal
Mathematics

dddan:
Group Title
how do you determine the center of the circle and its radius from the equation,
y^2=25(x+1)^2
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
what is 1+ the 3rd root of 3?
please explain..
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

dddan:
Group Title
how do you find the midpoint with two ordered pairs,
(12,11), (5,13)
 updated one year ago
 12 replies
 1 Medal
Mathematics

dddan:
Group Title
what is the molor mass for C(22)H(23)N(2)O(2)Cl(2)
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dddan:
Group Title
if a guy got 5% in the first year and 6% in his second year and his total was % 5,880. If the amount on which he made was % 10,000 more then…
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
a guy rowing a boat caught a tide witch increased his speed by 2 mph and reached his detestation within 10min. on the way back, he fought …
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
if $51.30 interest is earned on a deposit of $950 in one year, then what was the simple interest?
please explain...
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
what is 1/r=1/r(subscript )+ 1/r(sub. 2)+1/r(sub. 3) solve for r(sub. 2)
please explain..
 updated one year ago
 3 replies
 1 Medal
Mathematics

dddan:
Group Title
A=1/2bh solve for b
please explain..
 updated one year ago
 2 replies
 1 Medal
Mathematics

dddan:
Group Title
4/x+3  3/2x= 7x+1/x^2+x6
…
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
4/x+3  3/2x= 7x+1/x^2+x6
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
please help,
(3x4)^2+(4x+1)^2=(5x+2)^2
 updated one year ago
 6 replies
 1 Medal
Mathematics

dddan:
Group Title
how do you solve the equation:
z2/z3=5/3,
also is this equation consistent,identity, or inconsistent?
…
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
what is the empirical formula for copper chloride hydrate?
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
how do you solve, x/2+x/5=x/61/3
 updated one year ago
 16 replies
 No Medals Yet
Mathematics

dddan:
Group Title
sqr(6)(sqr(2)sqr(3))?
 updated one year ago
 No Medals Yet
Mathematics

dddan:
Group Title
if a=2 ; b=5; c=5
how would you solve the quadratic equation?
 updated one year ago
 16 replies
 1 Medal
Mathematics

dddan:
Group Title
how do you factor 27y^3+8?
 updated one year ago
 12 replies
 4 Medals
Mathematics

dddan:
Group Title
What is the mass in grams of a single atom of each of
the following elements? (a) As, (b) Ni.
please explain..
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dddan:
Group Title
How many moles of cobalt (Co) atoms are there in
6.00x10^9 (6 billion) Co atoms?
 updated one year ago
 12 replies
 No Medals Yet
Mathematics
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