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Bob can type 2 letters in 4 hours while Bill can do it in 6. How many hours would it take them, working together, to type six letters?
answered
Jan 23, 2019
Mathematics
high-school
2
votes
44.0k
views
What is an internal structure of a piece of writing
answered
Nov 29, 2018
English
high-school
6
votes
158k
views
What is the opposite of the number -3 1/4 ? A. -4 1/3 B. -4/13 C. 3 1/4 D. 4 1/3
answered
Jan 17, 2018
Mathematics
middle-school
6
votes
61.9k
views
A car speeds upu as it rolls down a hill. Which is this an example of? positive acceleration negative acceleration relative velocity
answered
Jan 16, 2018
Physics
high-school
2
votes
205k
views
Ice wedging is brought about by ____. a. carbonic acid freezing on rocks b. water and oxygen reacting c. water freezing and thawing d. rocks colliding with each other
answered
May 29, 2017
Biology
middle-school
1
vote
120k
views
In what ways are Africa and Oceania similar?. . Choose all that apply.A. Desert climate. . B. Located mostly in Southern hemisphere. . C. Politically neutral. . D. Warm climate
answered
Jan 6, 2017
Geography
high-school
3
votes
56.3k
views
Which statements are true? Choose all answers that are correct. A. All rectangles are parallelograms. B. All squares are rectangles. C. All squares are rhombuses. D. All rhombuses are trapezoids.
answered
Jan 30, 2016
Mathematics
high-school
5
votes
110k
views
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