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Post New Question
All Questions
+0
237785 Questions
0
507
1
+4
Derivative
1/(x^2-x)-1/(x-1)=(x+6)/x
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drock1941
Sep 27, 2015
0
1534
1
if f(x)=x 2 -3 and f(a)=46, what is the value of a?
if f(x)=x2-3 and f(a)=46, what is the value of a?
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Guest
Sep 27, 2015
Sep 26, 2015
0
1551
1
help
Assuming that each grain of wheat weighs 1/7000 pound, what will be the total weight (in pounds) of the grains on the entire chessboard when 30 squares are filled? (There are 536870912 grains in 30 squares)
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Guest
Sep 26, 2015
0
548
1
showig an answer
how would you show 7x-3x=24 x=6. how show how got?
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Guest
Sep 26, 2015
0
715
2
(the number of ways to have x successes out of n trials)
how to calculate nCx
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Guest
Sep 26, 2015
0
503
1
Trig Help
How do you do trig problems when only given one side length of the triangle and one angle degree?
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Guest
Sep 26, 2015
0
596
1
Rounding to the hundreth place
distance between (2sqrt(6), sqrt(5)) and (-sqrt(6), sqrt(5))
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Guest
Sep 26, 2015
0
454
0
Maths people, I need help to correct me ! I beg you :(
I try to do it, but I am so bad in Maths =(
The thing that bother me here, its the billing on the 8/8 and not on the 31 of the month //
read more ..
Guest
Sep 26, 2015
0
626
1
Spring problem needs explanation
I dont understand this spring problem can you guys explain me how they got the value 250 and 450. Thanks here is the link to the problem.
Link: http://imgur.com/o1EJp5P
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Guest
Sep 26, 2015
0
849
3
Pythagoras' Theorem Question
An envelope measures 6 cm by 8 cm.
The flap meets the envelope at the point M.
The point M is in the exact centre of the envelope.
A glue strip runs from D to M and M to C.
read more ..
CPhill
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Guest
Sep 26, 2015
0
601
1
(-5) -1
(-5)-1
rewrite without an exponent
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Guest
Sep 26, 2015
0
543
1
(a+5)(a-5)
(a+5)(a-5)
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Guest
Sep 26, 2015
0
874
2
520 - 20%
whats twenty percent of 520
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Guest
Sep 26, 2015
0
537
1
title
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Guest
Sep 26, 2015
0
475
1
question
what is the derivative of inverse sin? thank you
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Guest
Sep 26, 2015
0
2005
1
How many buckets are needed?
nadie wants to fill her rectangular fish tank with water. the fish tank measures 2 ft wide,1 ft long, and 1.5 ft high. the water level in her fish tank need to be .25 ft. she uses a bucket that holds 1.25 cubic ft of water. how many buckets does nadie need.
read more ..
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Guest
Sep 26, 2015
+2
1474
2
+413
Three real numbers x, y, z are such that x2 + 6y = -17, y2 + 4z = 1 and z2 + 2x = 2. What is the value of x2 + y2 + z2? solve this if you can x2
Three real numbers x, y, z are such that x2 + 6y = -17, y2 + 4z = 1 and z2 + 2x = 2. What
is the value of x2 + y2 + z2?
solve this if you can
x2 =x^2 same for others
geno3141
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kes1968
Sep 26, 2015
0
468
1
what is x?
what is x?
25-3x=36
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Guest
Sep 26, 2015
0
553
2
what is x?
what is x?
25-3x=36
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Guest
Sep 26, 2015
0
795
3
dependence problem
Write a formula showing the dependence of the mass of a cork on its volume, if the density of the cork is 0.18g/cm^3. Using the formula, find:
a) the mass of a cork with a volume of 240 cm^3
read more ..
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Guest
Sep 26, 2015
0
709
2
+1832
How can I solve this problem?
How can I solve this problem?
Alan
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xvxvxv
Sep 26, 2015
0
453
1
how do even comprehend this number
what is 20^5000
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Guest
Sep 26, 2015
0
569
1
Solve for x
2500-400x+12x^3=0
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Guest
Sep 26, 2015
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