Mathematics, 22.12.2019 23:31 edwardsb
The amount of daily time that teenagers spend on a brand a cell phone is normally distributed with a given mean mc027-1.jpg = 2.5 hr and standard deviation mc027-2.jpg = 0.6 hr. what percentage of the teenagers spend more than 3.1 hr?
Answers: 1
Mathematics, 21.06.2019 17:30
The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?
Answers: 1
Mathematics, 21.06.2019 18:00
Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?
Answers: 3
Mathematics, 21.06.2019 18:10
Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial
Answers: 2
Mathematics, 21.06.2019 23:00
How can writing phrases as algebraic expressions you solve problems?
Answers: 2
The amount of daily time that teenagers spend on a brand a cell phone is normally distributed with a...
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