Mathematics, 17.05.2021 16:50 mdlnlcs
For 7 days, Tom recorded the number of hours he slept each night. He rounds each time to the nearest \frac{1}{4} 4 1 start fraction, 1, divided by, 4, end fraction of an hour. 777\frac{1}{4}7 4 1 7\frac{1}{2}7 2 1 7\frac{3}{4}7 4 3 888\frac{1}{4}8 4 1 8\frac{1}{2}8 2 1 8\frac{3}{4}8 4 3 99 A line plot labeled 7 to 9 with tick marks at every one-fourth unit. Above the tick mark at seven and one-fourth is a column of two dots. Above the tick mark at seven and three-fourths is a column of blue dots. Above the the tick mark at eight and one-fourth is 1 dot. Above the tick mark at eight and one-half there is one blue dot. How many more hours did Tom sleep on the night he slept the most than the night he slept the least?
Answers: 1
Mathematics, 21.06.2019 19:00
Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?
Answers: 3
Mathematics, 21.06.2019 20:10
Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36
Answers: 1
Mathematics, 22.06.2019 03:00
Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.
Answers: 1
For 7 days, Tom recorded the number of hours he slept each night. He rounds each time to the nearest...
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