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Calculate the water pressure in the pipes at the bottom of a high-rise building that is fed by reservoir 30 m above the roof top. Please help and explain
answered
Feb 7, 2019
Physics
high-school
7
votes
59.2k
views
If xy is rational, must either x or y be rational? A) Yes; because the product of irrationals cannot be rational. B) No; because the product of two irrationals can also be rational. C) No; because the
answered
Jan 16, 2019
Mathematics
college
1
vote
176k
views
Solve. T+23>1 Somebody please help me
answered
Jul 12, 2018
Mathematics
middle-school
2
votes
212k
views
Which of the following is the correct chemical formula for Na and S? Na2S NaS2 NaS
answered
Jul 4, 2018
Chemistry
high-school
3
votes
184k
views
Calculate the standard deviation of the data set below. (7, 9, 10, 11, 13)
answered
Jun 18, 2018
Mathematics
high-school
4
votes
166k
views
What is the density of an object that has a volume of 4 mL and mass of 12 g
answered
May 23, 2018
Mathematics
middle-school
0
votes
57.7k
views
14. What was the name given to communist rebel fighters in South Vietnam? A. Communist Fighters B. Vietcong C. Freedom Fighters D. Northern Regulators
answered
May 4, 2018
History
high-school
7
votes
141k
views
I need help on 12 and 14 plzz and thank you
answered
Feb 14, 2018
Mathematics
middle-school
3
votes
15.9k
views
Solve x-2y=4 for y in terms of x
answered
Nov 26, 2017
Mathematics
high-school
3
votes
24.9k
views
Kiara bought a dozen bags of bird food for $27. Use compatible numbers to find the approximate cost of six dozens bags of bird food.
answered
Aug 29, 2017
Mathematics
middle-school
3
votes
78.0k
views
1. In Yeats’ poem “The Second Coming,” the falcon and the falconer are images that most likely represent • something out of control and unnatural. • the beauty and abundance of nature. • a sad, uncomfortable
answered
Mar 6, 2017
English
high-school
3
votes
47.0k
views
Which part of the cell functions as a system boundary
answered
Mar 2, 2017
Biology
high-school
4
votes
19.1k
views
Tybalt seeks a friendship with romeo in act ii of the tragedy of romeo and juliet true false
answered
Feb 19, 2017
English
high-school
2
votes
174k
views
amy wants to carpet a room that is 12 feet by 8 feet. how many square yards of carpet will she need to complete the room?
answered
Jul 11, 2016
Mathematics
middle-school
3
votes
7.4k
views
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