Mathematics, 27.06.2019 04:30 bhelsea15
Astandard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. two of the suits ( and , called 'hearts' and 'diamonds') are red, the other two ( and , called 'spades' and 'clubs') are black. the cards in the deck are placed in random order (usually by a process called 'shuffling'). in how many ways can we pick two different cards? (order matters, thus ace of spades followed by jack of diamonds is different than jack of diamonds followed by ace of spades.)
Answers: 1
Mathematics, 21.06.2019 17:30
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 22.06.2019 02:50
Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.
Answers: 2
Mathematics, 22.06.2019 03:00
Describe a pattern in each sequence what are the next two terms of each sequence -5, 5, -5, 5 a. subtract 10 from the previous term; -5,5 b. multiply the previous term by 1; 5, 5 c. add 10 to the previous term; -5, -15 d. multiply the previous term by -1; -5, 5
Answers: 1
Astandard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. two of the su...
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