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Post New Question
All Questions
^{+0}
138059 Questions
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280
3
303.92times 10 to the 9 divided by11.2times 10 to the 6
303.92times 10 to the 9 divided by11.2times 10 to the 6
KidDanger
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Guest
Jul 2, 2015
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727
5
+93311
Diophantine Equation Practice
Here is a diophantine equation for me and Chris and whoever else is interested to practice on:
Here is the solution
read more ..
heureka
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Melody
Jul 2, 2015
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441
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+93311
Chris, Alan or I have cursorily checked most posts up to and including question page 1894+ and answer page 5099+
Chris, Alan or I have cursorily checked most posts up to and including question page 1894+ and answer page 5099+
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There are some that do not have answers -
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Melody
Jul 2, 2015
0
347
5
solving a proportion
what is b in
3 2
'''''''''''''=''''''''''
3b+4 b - 4
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CPhill
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Guest
Jul 2, 2015
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243
1
I need the way how to solve this task
I need step by step solving this task..
Melody
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Guest
Jul 2, 2015
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280
3
percentage of 4
percentage of 4
KidDanger
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Guest
Jul 2, 2015
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242
1
What is 2/6 of 33?
What is 2/6 of 33?
radix
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Guest
Jul 2, 2015
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326
1
calculate log-3.34
calculate log-3.34
Melody
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Guest
Jul 2, 2015
0
304
1
If a person spends 6 dollars on fruit. But spent 15 dollars in total. What percentage of the total did the person spend on fruit
If a person spends 6 dollars on fruit. But spent 15 dollars in total. What percentage of the total did the person spend on fruit
TitaniumRome
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Guest
Jul 2, 2015
0
4
2671
2
What is 320 million times 1 million ? Is it 320 trillion?
What is 320 million times 1 million
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Guest
Jul 2, 2015
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341
2
double the sum of 25 and 8 written as an equation
double the sum of 25 and 8 written as an equation
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Guest
Jul 2, 2015
Jul 1, 2015
0
367
1
+4
How do you do sin to the -1 power on a calculator
How do you do sin to the -1 power on a calculator?
Melody
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llamdude123456
Jul 1, 2015
0
1067
1
+1793
The product of a set of distinct positive integers is 140. What is their least possible sum?
The product of a set of distinct positive integers is 140. What is their least possible sum?
CPhill
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Mellie
Jul 1, 2015
0
1548
5
+1793
(a) What is the largest integer $n$ such that $7^n$ divides $500!$ ?
(a) What is the largest integer $n$ such that $7^n$ divides $500!$ ?
(b) What is the largest integer $n$ such that $7^n$ divides $1000!$ ?
(c)The expression \[\frac{1000!}{(500!)^2}\] is an integer. What is the largest integer $n$ such that
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CPhill
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Mellie
Jul 1, 2015
0
846
3
+1793
The sum of two positive integers $a$ and $b$ is 1001. What is the largest possible value of $\gcd(a,b)$?
The sum of two positive integers $a$ and $b$ is 1001. What is the largest possible value of $\gcd(a,b)$?
CPhill
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Mellie
Jul 1, 2015
0
642
3
A grandfather clock is controlled by a swinging brass pendulum that is 1.5 m long at a temperature of 31°C.
A grandfather clock is controlled by a swinging brass pendulum that is 1.5 m long at a temperature of 31°C.
(a) What is the length of the pendulum rod when the temperature drops to 0.0°C? (Give your answer to at least four significant
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physics
Alan
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Guest
Jul 1, 2015
0
1
639
2
show me the process of solving (1-cot200)(1-cot25)
show me the process of solving (1-cot200)(1-cot25)
heureka
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Guest
Jul 1, 2015
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248
0
Is there a percentile on this (scientific calculator) ?
Is there a percentile on a (scientific calculator) ?
Guest
Jul 1, 2015
0
333
2
5x -- 4= 9x +8
5x -- 4= 9x +8
Mellie
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Guest
Jul 1, 2015
0
1372
3
+1793
(a) Let $m$ be a positive integer such that $m$ has exactly 5 positive divisors. How many distinct prime factors does $m$ have?
(a) Let $m$ be a positive integer such that $m$ has exactly 5 positive divisors. How many distinct prime factors does $m$ have?
(b)Let $m$ and $n$ be positive integers such that $m$ has exactly 5 positive divisors, $n$ has exactly 6 positive divisors,
read more ..
CPhill
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Mellie
Jul 1, 2015
0
1089
2
+1793
How many terminal zeroes does $40^8 \cdot 75^{18}$ have? That is, when the digits of $40^8 \cdot 75^{18}$ are written out, how many $0$s app
How many terminal zeroes does $40^8 \cdot 75^{18}$ have? That is, when the digits of $40^8 \cdot 75^{18}$ are written out, how many $0$s appear at the end?
Melody
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Mellie
Jul 1, 2015
0
1361
5
+1793
What is the smallest positive integer that has exactly 6 perfect square divisors?
What is the smallest positive integer that has exactly 6 perfect square divisors?
CPhill
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Mellie
Jul 1, 2015
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