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In a recent study of 32 ninth-grade students, the mean number of hours per week that they played video games was 17.1. The standard deviation of the population was 2.8. Find the lower limit of the 95%
answered
Jan 1
Mathematics
college
20
votes
51.3k
views
Equation of a line that passes through the points (4, 5) and (7, -7).
answered
Jul 27, 2023
Mathematics
high-school
19
votes
421k
views
Here is a pattern of squares.a. Sketch or describe the figure in Step 4 and Step 15.b. How many small squares will there be in each of these steps?c. Write an equation to represent the relationship between
answered
Mar 8, 2023
Mathematics
college
6
votes
465k
views
Which expressions are equivalent to -2(5x-3/4)? ? Check all that apply. 0. -2(5x)+(-2)(-3/4) 0. -10x-3/4 0. -10x+6/2 0. -10x+3/2 0. -10x-6/2
answered
Feb 18, 2023
Mathematics
high-school
29
votes
84.2k
views
Simplify the expression 7t +3- 2 t
answered
Feb 2, 2023
Mathematics
high-school
14
votes
265k
views
Which of the following systems of government allows citizens to hold only one form of political opinion? A. a parliamentary republic B. a single-party government C. a presidential republic D. a constitutional
answered
Sep 24, 2022
Social Studies
high-school
14
votes
376k
views
Where should a colon be placed to punctuate this sentence correctly?
answered
Sep 19, 2022
English
high-school
17
votes
328k
views
A cylindrical diving bell is open at the bottom and closed at the top, and is 5m tall. The bell is open to atmospheric air until it is placed in the water, but the bell remains upright (open end facing
answered
May 17, 2022
Physics
college
20
votes
361k
views
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