MysticBoba

13 Questions
1 Answers

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536

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help

Three tiles are marked X and two other tiles are marked O. The five tiles are randomly arranged in a row. What is the probability that the arrangement reads XOXOX?

MysticBoba Mar 2, 2021

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421

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A Senate committee consists of 5 Republicans, 6 Democrats, and 2 Independents. A subcommittee of 3 members is randomly chosen. What is the probability that the subcommittee consists of three Republicans?

MysticBoba Mar 2, 2021

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742

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math problem

What is the least positive integer divisible by each of the first eight positive integers

ElectricPavlov ●

MysticBoba Mar 1, 2021

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622

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+62

math question

A number is divisible by 8 if the number formed by its last 3 digits is divisible by 8. For example, the number 47,389,248 is divisible by 8 because 248 is divisible by 8. However, 47,389,284 is not divisible by 8 because 284 is read more ..

MysticBoba Mar 1, 2021

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445

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+62

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MysticBoba Feb 26, 2021

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787

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math problem

Andrea notices that the 40-foot tree next to her is casting a 10-foot shadow. How tall, in inches, is Andrea if she is casting a 15-inch shadow at the same time?

MysticBoba Feb 26, 2021

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588

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algebra problem

Rico can run 5 miles in the same amount of time that Donna can run 3 miles. Rico runs a rate 4 miles per hour faster than Donna. At that rate, what is the number of miles that Rico runs in 1 hour and 30 minutes?

MysticBoba Feb 26, 2021

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654

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Billy Goats invested some money in stocks and bonds. The total amount he invested was . If he invested 4.5 times as much in stocks as he did in bonds, what was his total investment in stocks?

MysticBoba Feb 26, 2021

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661

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math question

I have a bag with red and green marbles in it. At the moment, the ratio of red marbles to green marbles is 3:2. If I add 5 red marbles and 5 green marbles, the ratio will be 4:3. How many red marbles will be in the bag after I add more?

MysticBoba Feb 26, 2021

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422

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algebra question

Simplify Express your answer in simplest radical form in terms of x

MysticBoba Feb 25, 2021

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462

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counting pairs problem

It is a beautiful day at the beach and ten beach volleyball players have shown up at the volleyball courts. Each two-person volleyball team should consist of a setter and a spiker. Five of the players prefer to be a spiker, four of the players prefer to read more ..

MysticBoba Feb 24, 2021

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1336

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+62

help

The Little Twelve Basketball Conference has two divisions, with six teams in each division. Each team plays each of the other teams in its own division twice and every team in the other division once. How many conference games are scheduled?

MysticBoba Feb 24, 2021

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457

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+62

Help!

Find all values of such that

MysticBoba Feb 23, 2021

+62

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Thank you!

MysticBobaFeb 24, 2021