Mathematics, 27.06.2019 06:00 wwwclarajohnson39
Kim decides to download some new music. he downloaded 6 albums and 7 singles, and his total was $68. the next day she purchased more music from the same retailer and downloaded 2 more albums and 9 singles for a total of $36. assuming that all albums and singles are the same price, how much did he spend on each album and each single? write a system of equations to represent this situation. then solve for the solution using the elimination method.
Answers: 1
Mathematics, 21.06.2019 18:50
Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15
Answers: 1
Mathematics, 21.06.2019 23:00
Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?
Answers: 2
Mathematics, 22.06.2019 01:30
Kelli swam upstream for some distance in a hour.she then swam downstream the same river for the same distance in only 6 minutes.if the river flows at 5km/hr, how fast can kelli swim in still water?
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Kim decides to download some new music. he downloaded 6 albums and 7 singles, and his total was $68....
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