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All Questions
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148972 Questions
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497
2
X+4 What is it?
X+4 What is it?
jdh3010
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Guest
Aug 10, 2015
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488
2
-25/4=5/-2x
-25/4=5/-2x
jdh3010
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Guest
Aug 10, 2015
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554
2
+4
what if i want to want to convert a binary digit into an hexadecimal number and i dont know that number in decimal?
what if i want to want to convert a binary digit into an hexadecimal number and i dont know that number in decimal?
Melody
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anshikasingh
Aug 10, 2015
0
387
1
2.3n+8=1.2n+2
2.3n+8=1.2n+2
jdh3010
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Guest
Aug 10, 2015
0
397
1
How do you calculate weight in 1:50 scale
How do you calculate weight in 1:50 scale
jdh3010
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Guest
Aug 10, 2015
0
639
15
+299
If x is real root, what is 'a' in the equation (2+i)x^2+(a-1)x+4-2i=0
If x is real root, what is 'a' in the equation (2+i)x^2+(a-1)x+4-2i=0
math
complex-numbers
Alan
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jdh3010
Aug 10, 2015
0
712
1
solve z
z^2=i
solve z
heureka
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Guest
Aug 10, 2015
0
613
2
Explanation for an answer got by a calculator. (not an error, an actual answer)
How does the tan(-270 degrees) equal ?
Melody
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Guest
Aug 10, 2015
0
382
1
Algebra 1 equation
3-(2x-5) < -4 (x+2)
geno3141
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Guest
Aug 10, 2015
Aug 9, 2015
0
488
2
what is 4 minus the absolute value of negative 6?
what is 4 minus the absolute value of negative 6?
jdh3010
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Guest
Aug 9, 2015
0
497
2
9y-4x=-30 solve for y
9y-4x=-30 solve for y
geno3141
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Guest
Aug 9, 2015
0
391
1
What is the diameter the circle when the circumference is 9323 and you're using 22/7 as Pi ?
What is the diameter the circle when the circumference is 9323 and you're using 22/7 as Pi ?
geno3141
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Guest
Aug 9, 2015
0
470
2
What is 30 x 15.000 ?
What is 30 x 15.000 ?
rubenhh
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Guest
Aug 9, 2015
0
569
1
625*1*8/1*1*5280
625*1*8/1*1*5280
Dbg4thebest
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Guest
Aug 9, 2015
0
441
1
how to enter cosine (25 degrees) divided by 21 into calculator
how to enter cosine (25 degrees) divided by 21 into calculator
Melody
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Guest
Aug 9, 2015
0
416
2
Susan bought a number of sweets. She wanted to give each of her friends 8 sweets but found herself short of 5 sweets. In the end, she gave e
Susan bought a number of sweets. She wanted to give each of her friends 8 sweets but found herself short of 5 sweets. In the end, she gave each of her friends 6 sweets and had 19 sweets left. How many sweets did she have initially?(please do it in a specific
read more ..
BaneOfDracula
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Guest
Aug 9, 2015
0
474
1
how many milligrams are in a gram
how many milligrams are in a gram
Melody
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Guest
Aug 9, 2015
0
444
2
Ratios
Just need help with this question:
A model aeoraplane is built to a scale of 1:80.If the wingspan of the mosel is 85cm, what is the wing span of the aeroplane.Btw , the answer is: 68m , i just dont know the solution, can i get help, thxs :)
read more ..
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Guest
Aug 9, 2015
+3
376
3
derivative
find the derivative of
(2x+5)(x^2-x+1)
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Guest
Aug 9, 2015
+3
439
2
differentiate
differentiate
1⁄3x^6(x^2-3)
Melody
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Guest
Aug 9, 2015
+5
1283
3
+414
Tina had 4 times as many pencils as pens. She gave 260 pencils and 30 pens to her friends, after which she had twice as many pens as pencils
Tina had 4 times as many pencils as pens. She gave 260 pencils and 30 pens to her friends, after which she had twice as many pens as pencils left. How many pencils did she have altogether at first?(please answer in a specific primary 5 way as my nephew
read more ..
Melody
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MaiaMitchell
Aug 9, 2015
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