All Questions ⁺⁰235615 Questions

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+1768

Algebra

Five times a number is divided by $7$ more than that number. If the result is $0,$ then what was the original number?

bader Dec 15, 2023

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19

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+1768

Help inequality

My street hockey team plays three games each week. My team lost all $9$ games in the first three weeks. Then, my team won one game and lost two games in the fourth week, bringing our record to $1$ win and $11$ losses. Each week after that, my team read more ..

bader Dec 15, 2023

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46

1

+1768

Inequality

All sacks of sugar have the same weight. All sacks of flour also have the same weight, but not necessarily the same as the weight of the sacks of sugar. Suppose that two sacks of sugar together with a sack of flour weigh no more than $10$ pounds, read more ..

bader Dec 15, 2023

-1

24

2

+1427

Counting

A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people, not including Mark?

blackpanther Dec 15, 2023

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54

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+1427

Counting

A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people, including Mark?

blackpanther Dec 15, 2023

-1

26

0

+1427

Counting

A baking club wants to form an executive committee. There are $20$ people in the baking club, including Mark. In how many ways can the baking club form an executive committee with $7$ people?

blackpanther Dec 15, 2023

-1

40

1

+1427

boxes

In how many ways can $4$ balls be placed in $5$ boxes if the balls are distinguishable, and the boxes are indistinguishable?

blackpanther Dec 15, 2023

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36

1

+1427

boxes

In how many ways can $4$ balls be placed in $5$ boxes if the balls are indistinguishable, and the boxes are distinguishable?

blackpanther Dec 15, 2023

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21

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+1427

boxes

In how many ways can $4$ balls be placed in $5$ boxes if neither the balls nor the boxes are distinguishable?

blackpanther Dec 15, 2023

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27

1

+1427

boxes

In how many ways can $4$ balls be placed in $5$ boxes if the balls and boxes are both distinguishable?

blackpanther Dec 15, 2023

-1

42

1

+1427

help plz

I run a book club with $n$ people, not including myself. Every day, for $400$ days, I invite $2$ members in the club to review a book. What is the smallest positive integer $n$ so that I can avoid ever having the exact same group of $2$ read more ..

blackpanther Dec 15, 2023

0

21

2

+1911

Counting question

In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?

tomtom Dec 15, 2023

Dec 14, 2023

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46

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+743

Rates

A plane flies from Penthaven to Jackson and then back to Penthaven. When there is no wind, the round trip takes $2$ hours and $40$ minutes, but when there is a wind blowing from Penthaven to Jackson at $50$ miles per hour, the trip takes $3$ hours read more ..

bingboy Dec 14, 2023

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36

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+743

Proportion

In physics, Ohm's law says that current through a wire, $I$, is directly proportional to voltage, $V$, and inversely proportional to resistance, $R$:
I = V/R
It's also true that resistance is directly proportional to the length of the wire. read more ..

bingboy Dec 14, 2023

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24

1

+743

Proportion

All members of our painting team paint at the same rate. If $10$ members can paint a $1000$ square foot wall in $10$ minutes, then how long would it take for $5$ members to paint a $1000$ square foot wall, in minutes?

bingboy Dec 14, 2023

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23

2

+743

Proportion

All members of our painting team paint at the same rate. If $10$ members can paint a $100$ square foot wall in $10$ minutes, then how long would it take the $15$ members to paint a $100$ square foot wall, in minutes?

bingboy Dec 14, 2023

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