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Post New Question
All Questions
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237683 Questions
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3816
4
+1836
Note that
Note that
1111111=10^6+10^5+10^4+10^3+10^2+10+1
and
909091=10^6-10^5+10^4-10^3+10^2-10+1.
read more ..
Melody
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Mellie
Aug 5, 2016
0
1
4001
3
+1836
Find all real numbers a such that the roots of the polynomial x^3-6x^2+21x+a form an arithmetic progression and are not all real.
Find all real numbers a such that the roots of the polynomial x^3-6x^2+21x+a form an arithmetic progression and are not all real.
Melody
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Mellie
Aug 5, 2016
0
2
4121
3
+1836
Evaluate 3/2+5/4+9/8+17/16+33/32+65/64-7.
Evaluate 3/2+5/4+9/8+17/16+33/32+65/64-7.
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Mellie
Aug 5, 2016
Aug 4, 2016
0
600
1
reduce 15:30 to its lowest term please
please reduce 15:30 to its lowest term
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Guest
Aug 4, 2016
0
746
1
+249
How many pairs of consecutive, three-digit multiples of 9 contain the same three digits?
How many pairs of consecutive, three-digit multiples of 9 contain the same three digits?
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higgsb
Aug 4, 2016
0
737
0
A research firm conducts a sample survey and discovers that, of all the new watchers of three-dimensional TV, 72% have not reported any side effects
A research firm conducts a sample survey and discovers that, of all the new watchers of three-dimensional TV, 72% have not reported any side effects such as vertigo, headache, or undue eyestrain compared with watching regular television. If this
read more ..
Guest
Aug 4, 2016
0
556
2
where is the negative button
where is the negative button
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Guest
Aug 4, 2016
0
557
2
antilogaritm
Which is the antilog base 10 of 0,119280313 ?
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Guest
Aug 4, 2016
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481
1
75 3/4 - 1/2=
75 3/4 - 1/2=
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Guest
Aug 4, 2016
0
755
1
+24
Probability problem.
Sheila has been invited to a picnic tomorrow. The picnic will occur, rain or shine. If it rains, there is a probability that Sheila will decide to go, but if it is sunny, there is an probability that Sheila will decide to go. The forecast
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Username1233qw4
Aug 4, 2016
0
787
2
Victoria deposits money into an account bearing 5 and 3/8 % annual interst compounded continously. Calculate the following and round both answers to the
Victoria deposits money into an account bearing 5 and 3/8 % annual interst compounded continously. Calculate the following and round both answers to the nearest tenth of a year.
a) How long will it take for her money to triple?
read more ..
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Guest
Aug 4, 2016
0
683
1
Find g(x) , the inverse of f(x)=log_2(4x)-2
Find g(x) , the inverse of f(x)=log_2(4x)-2
the underscore with the 2 means the base.
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Guest
Aug 4, 2016
0
605
1
Exponential Equations help!!!
How do you solve 3^(81x) = 81^(3x) ?? Help is greatly appreciated!
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Guest
Aug 4, 2016
0
1
2928
1
Find the sum of the series 1+1/2+1/10+1/20+1/100..., where we alternately multiply by 1/2 and 1/5 to get successive terms.
Find the sum of the series 1+1/2+1/10+1/20+1/100..., where we alternately multiply by 1/2 and 1/5 to get successive terms.
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Guest
Aug 4, 2016
0
421
1
help me pls
what is 2 and five eights minus 1 and one third
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Guest
Aug 4, 2016
0
693
4
Easy
Can someone write all process to find a, here are the task:
25=\frac{24^{2}}{a^{2}}+\frac{a^{2}}{2^{2}}
read more ..
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Guest
Aug 4, 2016
0
518
1
How to find a square root of a number
How do you find the square root of a number? Explain it like you are explaining it to a kindergartner.
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Guest
Aug 4, 2016
0
447
1
Plotting graphs
y=2x-1
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Guest
Aug 4, 2016
0
3730
4
If a/b rounded to the nearest trillionth is 0.008012018027, where a and b are positive integers, what is the smallest possible value a+b?
If a/b rounded to the nearest trillionth is 0.008012018027, where a and b are positive integers, what is the smallest possible value a+b?
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Guest
Aug 4, 2016
0
726
1
geometry help
A team of 10 players is to be selected from a class of 6 girls and 7 boys. . the probability that a randomly chosen team has 3 girls and 7 boys
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Guest
Aug 4, 2016
0
600
1
trigonometry
sin(A+B)
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Guest
Aug 4, 2016
0
502
1
Slave
Looking for a slave that does my homework at math
Thanks, Idan!
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Guest
Aug 4, 2016
0
3870
2
Michael just finished a great meal in a restaurant in Wisconsin. The sales tax in Wisconsin is 5%, percent, and it is customary to leave a tip of 15%, percent
Michael just finished a great meal in a restaurant in Wisconsin. The sales tax in Wisconsin is 5%, percent, and it is customary to leave a tip of 15%, percent for the waiter. The tip amount is calculated on the price of the meal before the tax is applied.
read more ..
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Guest
Aug 4, 2016
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