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Post New Question
All Questions
+0
237677 Questions
0
2
4848
1
What is the difference between cos and cos-1, and how do I use the latter on a scientific calculator?
What is the difference between cos and cos-1, and how do I use the latter on a scientific calculator?
geno3141
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Guest
Oct 26, 2014
0
575
2
2-x+3-5=4
2-x=4
geno3141
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Guest
Oct 26, 2014
0
498
3
+4
2/3÷1/3=
2/3÷1/3=?
Melody
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KLOEMYGIRL
Oct 26, 2014
0
450
1
Please help me! Thanks!
CPhill
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Guest
Oct 26, 2014
0
1229
2
For what values of is
For what values of
is
Note:
read more ..
CPhill
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Guest
Oct 26, 2014
0
541
2
Find all values of such that . Answer with interval notation.
Find all values of
such that
.
read more ..
CPhill
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Guest
Oct 26, 2014
0
427
5
Find all values of such that .
Find all values of
such that
.
Please
read more ..
Melody
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Guest
Oct 26, 2014
0
2906
6
Find all values of x that satisfy x(x+7.5) > 38.5. Give your answer as an interval. Please enter your response in interval notation. Refer t
Find all values of x that satisfy x(x+7.5) > 38.5. Give your answer as an interval. Please enter your response in interval notation. Refer to Formatting Tips below for detailed instructions on formatting your response.
CPhill
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Guest
Oct 26, 2014
0
494
1
What is (-6)^-4?
What is (-6)^-4?
CPhill
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Guest
Oct 26, 2014
0
421
1
what is 2x2
what is 2x2
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Guest
Oct 26, 2014
0
420
1
1/2+200=401/2=200.5 porque da 401 no entiendo
1/2+200=401/2=200.5 because it 401?, I do not understand
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Guest
Oct 26, 2014
+3
1497
1
A jumping spider jumps from a log onto the ground below. Its height, h, in centimetres, as a function of time, t, in seconds, since it jumpe
A jumping spider jumps from a log onto the ground below. Its height, h, in centimetres, as a function of time, t, in seconds, since it jumped can be modelled by the function h(t) = -490t2 + 75t + 12. Where appropriate, answer the following questions to
read more ..
Alan
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Guest
Oct 26, 2014
0
1712
1
Help me please!!!!
colin, dave and emma share some money. colin gets 3/(10) of the money. emma and dave share the rest of the money in the ratio 3:2. what is dave's share of the money?
Melody
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Guest
Oct 26, 2014
0
2302
1
what is tan-1 (infinity)
what is tan-1 (infinity)
Melody
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Guest
Oct 26, 2014
0
839
1
+29
help please
Alan
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ureeph123
Oct 26, 2014
0
724
1
+29
Problem
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ureeph123
Oct 26, 2014
0
574
1
+12
Voltage
Alan
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kavindu94
Oct 26, 2014
0
406
1
how to solve an equation using this app
how to solve an equation using this app
eg x^3+x^2x1
Melody
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Guest
Oct 26, 2014
+11
581
0
+118724
I have cursorily checked most posts up to and including question page 887+ and answer page 2357+
I have cursorily checked most posts up to and including question page 887+ and answer page 2357+
There are a few that do not have answers - It is just too busy to get through all of them.
(Remember:
read more ..
Melody
Oct 26, 2014
0
561
1
+12
2 Quick methods please for electrical
Alan
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kavindu94
Oct 26, 2014
+9
1
3039
1
+33665
cis for Melody
Melody, the question about cis(60)^1991 + cis(-60)^1991 + 1 = 1 seems to have disappeared, so I'll answer it here for you.
cis means cos + i*sin, so using De Moivre's theorem cis(60)^1991 is the same as cis(60*1991).
If we
read more ..
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Alan
Oct 26, 2014
0
1153
2
(204+202+200+......+6+4+2)-(203+201+199+......+5+3+1)
(204+202+200+......+6+4+2)-(203+201+199+......+5+3+1) =?
Alan
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Guest
Oct 26, 2014
0
998
1
+1313
Is this image conveying accurately?
is it accurate?
where did the 60 v come from?
do you have to draw on amp leaving battery to be correct? *fig 2.
why when take away the v source, do we leave 28 ohm when it it cannot carry current? is it just that when we cant
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Stu
Oct 26, 2014
0
416
0
how to deduct one mean and standard deviation from the other mean and standard deviation
how to deduct one mean and standard deviation from the other mean and standard deviation
Guest
Oct 26, 2014
0
2045
7
+1313
help with circuits
can anyone make then selc available to call or skype with to assist me with some cir uit fundementals tonight for an exam in the morning?
LancelotLink
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Stu
Oct 26, 2014
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