A watch loses x minutes every y hours. At this rate, how many hours will the watch lose in one week? A)3(120)20(120)*18B)Start by chlYou might bit's usuallyC)60(120) + 9 183(120)- 18D)20between misafer choiceThat last one matches the target answer, so the correct answer is (D).Next, youtempted ty- 12 isNow, it'every 12hour eaLet's try another example.it.Now,y=1220A)A watch losesx minutes every y hours. At this rate, how manyhours will the watch lose in one week?A) 7xy5yB)2х14 yC)5x14xD)5yre free content, visit PrincetonReview.com

given watch loses x minutes every y hours

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College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.6: Counting Principles

Problem 74E: Lottery Powerball is a lottery game that is operated by the Multi-State Lottery Association and is...

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Lottery Powerball is a lottery game that is operated by the Multi-State Lottery Association and is played in 44 states, Washington D.C., Puerto Rico, and the U.S. Virgin Islands. The game is played by drawing five white balls out of a drum of 69 white balls (numbered 1-69) and one red powerball out of a drum of 26 red balls (numbered 1-26). The jackpot is won by matching all five white balls in any order and the red powerball. (a) Find the possible number of winning Powerball numbers. (b) Find the possible number of winning Powerball numbers when you win the jackpot by matching all five white balls in order and the red powerball.
In a recent study, 50males used a new weight-loss supplement, and 38 of them experienced weight loss after two weeks. In the same study, 20 females used the same supplement, and 16of them experienced weight loss after two weeks.Fill in t he blanks below to make the most reasonable statement possible. The new weight-loss supplement was less effective on ▼(Choose one: males/females) in the study. That is because only ____% of them lost weight after two weeks, whereas ____% of the ▼(Choose one:males/females) lost weight after two weeks.
Calculate the coefficient of x7y5zx7y5z in (x+y+z)13(x+y+z)13. (b) In her discrete math class, Karen was asked to count the number of four-person teams that could be formed from a group of 17 males and 13 females with at least one male and at least one female. They mistakenly argue as follows: There are 17 choices for a male on the team and 13 choices for a female on the team. After that, there are (282)(282) to choose the remaining two players from the remaining 28 individuals. Therefore, by the rule of product, there are 17⋅13⋅ (28⋅27)/2 different teams. i. Explain the error in Karen's reasoning. ii. Determine the correct number of four-person teams that can be formed with at least one male and at least one female. (You may leave your answer in terms of unsimplified binomial coefficients.)

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20 A watch losesx minutes every y hours. At this rate, how many hours will the watch lose in one week? A) 7xy 5y B) 2x 14 y C) 5x 14x D) 5y