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Post New Question
All Questions
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235489 Questions
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1
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+826
Algebra
In a store window, there was a box of berries having a total weight of 200 kg. The berries were 99% water, by weight. After two days in the sun, the water content of the berries was only 90%, by weight. What was the total weight of
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RedDragonl
Oct 24, 2024
0
1
0
+826
Algebra
A mathematician works for t hours per day and solves p problems per hour, where and are positive integers. One day, the mathematician drinks some coffee and discovers that he can now solve 4p+8 problems per hour. In fact, he only works
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RedDragonl
Oct 24, 2024
0
2
1
+226
Algebra
Find the sum of all positive integers less than 1000 ending in 3 or 4 or 6 or 9.
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MEMEG0D
Oct 24, 2024
0
1
1
+226
Algebra
In a geometric sequence, the 23rd term is 16 and the 24th term is 1/4. What is the 30th term?
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MEMEG0D
Oct 24, 2024
0
1
3
+8
Can someone please help?
I need help solving the problem: How many points of the form (x,y) , where both coordinates are positive integers, lie below the graph of the hyperbola xy=16?
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crimefightingvigil
Oct 24, 2024
0
1
2
+725
Counting
My sock drawer contains two red socks, two white socks, and two blue socks. For three days in a row, I pull out two socks out of my sock drawer at random. What is the probability that I get matching socks on all three days?
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gnistory
Oct 24, 2024
0
1
1
+725
Counting
The Boomtown Bears are playing against the Tipton Toros in a baseball tournament. The winner of the tournament is the first team that wins three games. The Bears have a probability of $\frac{1}{2}$ of winning each game. Find the probability
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gnistory
Oct 24, 2024
0
1
0
+725
Counting
In how many ways can you distribute $8$ indistinguishable balls among $6$ distinguishable boxes, if at least four of the boxes must be empty?
gnistory
Oct 24, 2024
0
1
0
+725
Counting
In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from $1$ to $10,$ and one SuperBall is drawn (at random) from red balls numbered from $11$ to $20.$ When you buy a ticket, you choose three numbers
read more ..
gnistory
Oct 24, 2024
0
1
0
+725
Counting
In the SuperLottery, three balls are drawn (at random, without replacement) from white balls numbered from $1$ to $10,$ and one SuperBall is drawn (at random) from red balls numbered from $11$ to $20.$ When you buy a ticket, you choose three numbers
read more ..
gnistory
Oct 24, 2024
0
1
1
+788
Algebra
Find all values of c such that 3(2c + 1) = 28*(3c) - 9 + 45(3c) - 18. If you find more than one value of c, then list your values in increasing order, separated by commas.
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AnswerscorrectIy
Oct 24, 2024
0
2
0
+788
Algebra
Compute the sum
\frac{1}{\sqrt{36} + \sqrt{39}} + \frac{1}{\sqrt{39} + \sqrt{40}} + \frac{1}{\sqrt{40} +\sqrt{45}}
AnswerscorrectIy
Oct 24, 2024
0
1
0
+788
Algebra
Let $x$ and $y$ be complex numbers. If $x + y = 2$ and $x^3 + y^3 = 5$, then what is $x^2 + y^2$?
AnswerscorrectIy
Oct 24, 2024
0
2
0
+788
Algebra
Compute
1 + \frac{3}{6} + \frac{5}{6^2} + \frac{7}{6^3} + 2 + \frac{2}{5} + \frac{2}{5^3} + \frac{2}{5^4}
AnswerscorrectIy
Oct 24, 2024
0
1
0
+271
Number Theory
How many positive four-digit integers $N$ have the property that the three-digit number obtained by removing the leftmost digit is equal to $\frac{N}{24}?$
MeIdHunter
Oct 24, 2024
0
1
1
+271
Number Theory
The product of a set of distinct positive integers is $630$. If one of the numbers is 42, what are the other two numbers?
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MeIdHunter
Oct 24, 2024
0
1
0
+271
Number Theory
On planet Enigma, the residents use a currency called the confusion. There are only 2 confusion bills on Enigma, one worth 2 confusions and the other worth 3 confusions. There are also some coins of smaller value, but each weighs over 10
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MeIdHunter
Oct 24, 2024
0
1
0
+271
Number Theory
Find the largest positive integer n such that
\frac{(n + 1)^2}{n + 2}
is an integer.
MeIdHunter
Oct 24, 2024
+1
1
1
+36
Combinations
Each vertex of cube a b c d e f g h is colored either black or white. Find the number of colorings in which all four vertices of some face have the same color.
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HelpIneedHelp
Oct 24, 2024
Oct 23, 2024
+1
1
2
+38
Weights and measuring are hard :(
There are approoximately 0.4536 kilograms in a pound. To the nearest whole pound, how many pounds does a steer that weights 200 kg weigh?
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SuckAtMathPleaseHelp
Oct 23, 2024
-1
2
0
+195
Counting
Find the number of $7$-digit positive integers, where the sum of the digits is divisible by $3.$
BRAlNBOLT
Oct 23, 2024
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