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231246 Questions
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500
1
Prove that
Prove that
cos^2x-sin^2x/ctg^2x-tg^2x=sin^2x*cos^2x
CPhill
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Guest
Apr 2, 2015
0
419
0
can you k**l shaft?
can you k**l shaft?
Guest
Apr 2, 2015
0
4563
2
What is the answer for this math problem? Find the first,fourth,and eighth terms of the sequence. A(n) =-5*3^n-1
What is the answer for this math problem? Find the first,fourth,and eighth terms of the sequence. A(n) =-5*3^n-1
CPhill
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Guest
Apr 2, 2015
0
1917
1
(1/1+tg^2x)+(1/1+ctg^2x)
CPhill
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Guest
Apr 2, 2015
+6
692
0
+118613
I have cursorily checked most posts up to and including question page 1564+ and answer page 4158+
I have cursorily checked most posts up to and including question page 1564+ and answer page 4158+
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There are some that do not have answers -
read more ..
Melody
Apr 2, 2015
0
967
2
what is the quadradic equasion
what is the quadradic equasion
Melody
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Guest
Apr 2, 2015
0
489
0
+4
hi!!! whos online
hi!!! whos online
latitwins
Apr 2, 2015
0
641
1
what is the formula to find circumference of a circle
what is the formula to find circumference of a circle
civonamzuk
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Guest
Apr 2, 2015
0
619
1
3/7 of magazine are advertisements that equals to 12 pages. How many pages in the magazine ?
3/7 of magazine are advertisements that equals to 12 pages. How many pages in the magazine ?
CPhill
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Guest
Apr 2, 2015
0
436
0
An alarm wil sound when the water level in a tank falls below the fill line. If the water level in the tank is 175 gallons above the fill li
An alarm will sound when the water level in a tank falls below the fill line. If the water level in the tank is 175 gallons above the fill line and then 390 gallons are released from the tank, which of the following will stop the alarm?
Guest
Apr 2, 2015
0
13018
2
4/5 * 1 1/6
4/5 * 1 1/6
MathMath
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Guest
Apr 2, 2015
0
561
0
15/2x(2X)=?
15/2x(2X)=?
Guest
Apr 2, 2015
0
415
0
6 1/2 x 6 = ?
6 1/2 x 6 = ?
Guest
Apr 2, 2015
0
693
1
4x^2-8x+3=0
4x^2-8x+3=0
CPhill
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Guest
Apr 2, 2015
0
1
2745
1
Sin^3x(1+Ctgx)+cos^3x(1+tgx)
Sin^3x(1+Ctgx)+cos^3x(1+tgx)
Melody
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Guest
Apr 2, 2015
0
437
1
calculating
what is the result of:
500 N/m^3 x 5m
read more ..
Melody
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Guest
Apr 2, 2015
0
435
0
How many ways are there to put 4 b***s in 3 boxes if the b***s are not distinguishable and neither are the boxes?
How many ways are there to put 4 b***s in 3 boxes if the b***s are not distinguishable and neither are the boxes?
Guest
Apr 2, 2015
0
2315
3
Seven people arrive to dinner, but the circular table only seats six. If two seatings such that one is a rotation of the other are considere
Seven people arrive to dinner, but the circular table only seats six. If two seatings such that one is a rotation of the other are considered the same, then in how many different ways can we choose six people and seat them at the table?
Melody
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Guest
Apr 2, 2015
+1
3490
2
A license plate consists of two letters followed by two digits; for example, $MP78$. Neither the digits nor the letters may be repeated, and
A license plate consists of two letters followed by two digits; for example, $MP78$. Neither the digits nor the letters may be repeated, and neither the letter $O$ nor the digit $0$ may be used. When reading from left to right, the letters must be in alphabetical
read more ..
CPhill
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Guest
Apr 2, 2015
0
371
1
How do you make a fraction
How do you make a fraction on these calculators?
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Guest
Apr 2, 2015
0
429
0
Find the value of 1 1/2 × 1 2/3
Find the value of 1 1/2 × 1 2/3
Guest
Apr 2, 2015
0
2469
1
A club has 20 members, 12 boys and 8 girls. Two of the members are chosen at random. What is the probability that a boy and a girl are chose
A club has 20 members, 12 boys and 8 girls. Two of the members are chosen at random. What is the probability that a boy and a girl are chosen?
Melody
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Guest
Apr 2, 2015
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