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139303 Questions
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516
3
Differential equation
Determine the solution to the differential equation 2y '+ y = x2 passing through the point (-1; -3).
i know the result, but didn't understand the way it's been solved
the result should be
y=-9,7e-0,5x+x2-4x+8
Thx! <
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difficulty
advanced
Alan
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Guest
Aug 27, 2015
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290
1
7 divided by 35 over 18
whats 7 divided by 35 over 18 ?
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Guest
Aug 27, 2015
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323
2
What does a bar above a letter mean in set theory?
What does a bar above a letter mean in set theory?
Melody
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Guest
Aug 27, 2015
0
323
2
99.9/9=
what is answer for 99.9/9=
matsunnymat
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Guest
Aug 27, 2015
0
315
2
Graph on a number line the following: 4 is greater than/equal to -3which is greater than 6; D={ integers}
Graph on a number line the following: 4 is greater than/equal to -3which is greater than 6; D={ integers}
Melody
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Guest
Aug 27, 2015
0
333
3
What is 45x to the power of -3
What is 45x to the power of -3
matsunnymat
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Guest
Aug 27, 2015
0
508
4
How do I find the speed of an object relative to another object traveling away from it?
How do I find the speed of an object relative to another object traveling away from it?
Melody
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Guest
Aug 27, 2015
0
565
3
+4
5(r+9) - 2(1-r)
5(r+9) - 2(1-r)
matsunnymat
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grifindor445
Aug 27, 2015
0
278
2
what is 35.7 rounded to the nearest dollar?
what is 35.7 rounded to the nearest dollar?
Melody
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Guest
Aug 27, 2015
0
251
2
whats the remainder of 16021 divided by 25
whats the remainder of 16021 divided by 25
Melody
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Guest
Aug 27, 2015
0
292
1
+238
what is answer??????????????????
sum of all 2-digit prime numbers is??
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matsunnymat
Aug 27, 2015
0
304
1
-5a+6a
can some one tell me how to do problems like this -5a+6a
matsunnymat
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Guest
Aug 27, 2015
0
241
1
what is 12^5 power?
what is 12^5 power?
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Guest
Aug 27, 2015
0
232
1
24 and 12 how much
24 and 12 how much
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Guest
Aug 27, 2015
0
278
1
8.4 as a fraction
8.4 as a fraction
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Guest
Aug 27, 2015
0
290
1
3x^2 + 6X -5=0
3x^2 + 6X -5=0
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Guest
Aug 27, 2015
0
434
3
hello kindly help me how to convert 0.55ml to microliter/sec? thanksss
hello kindly help me how to convert 0.55ml to microliter/sec? thanksss
Melody
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Guest
Aug 27, 2015
0
298
1
The diameter of DNA is about 20 Angstrom. Express the surface area of the molecule in m^2 and in^2. (A=pi d^2) 1A= 1x10^-10; 1m=39.37 in.
The diameter of DNA is about 20 Angstrom. Express the surface area of the molecule in m^2 and in^2. (A=pi d^2) 1A= 1x10^-10; 1m=39.37 in.
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Guest
Aug 27, 2015
0
280
1
Anonymous
Before elevation of mount mcKinley, the highest peak in north america, is 20,320 feet. the elevation of death valley, the lowest point, is -280 feet. what is the difference in elevation between these two points?
Melody
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Guest
Aug 27, 2015
0
263
1
URGENT PLSSS!!!! The density of water at 25°C is 1g/cm^3. What is the value in kg/cm3?
URGENT PLSSS!!!! The density of water at 25°C is 1g/cm^3. What is the value in kg/cm3?
Melody
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Guest
Aug 27, 2015
0
439
0
+93683
Chris, Alan or I have cursorily checked most posts up to and including
Chris, Alan or I have cursorily checked most posts up to and including
question page 1982+ and answer page 5329+
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Melody
Aug 27, 2015
0
199
1
joey and john are playing with cards. if john gives joey one card, they will have an equal number of cards. when you square the number of ca
joey and john are playing with cards. if john gives joey one card, they will have an equal number of cards. when you square the number of cards joey has, the result is equal to four more than three times the number of cards john has. what is the total number
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Guest
Aug 27, 2015
0
326
1
how to write 84,000 in scientific notation?
how to write 84,000 in scientific notation?
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Guest
Aug 27, 2015
0
378
6
+17
Read It!
"Only when the doors of perception are cleansed will we see things as they actually are: Infinite." - Aldous Huxley The density of of a black hole is infinitely massive...That's a snoozer... You want a Math problem to really sink your teeth into...try The
read more ..
Melody
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BioSilverastatine
Aug 27, 2015
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