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A counter-flow double-piped heat exchange is to heat water from 20oC to 80oC at a rate of 1.2 kg/s. The heating is to be accomplished by geothermal available at 160oC at a mass flow rate of 2 kg/s. The
answered
Mar 2, 2020
Engineering
college
1
vote
60.8k
views
Multiply. 5/8 x (-8/9) = (Type an integer or a simplified​ fraction.)
answered
Dec 24, 2019
Mathematics
college
2
votes
189k
views
Read this passage: The current methods for preparing fast food are less likely to be found in cookbooks than in trade journals such as Food Technologist and Food Engineering. Aside from the salad greens
answered
Dec 18, 2019
English
high-school
5
votes
61.3k
views
Sappho was a Greek poetess who lived in the seventh century BC, and Zenobia was a Syrian queen who lived in the fourth century AD. Both are well-known figures in classical literature. Given the context
answered
Dec 10, 2019
English
college
3
votes
23.3k
views
In humans, widow's peak (w) is dominant over straight hairline (w). if a heterozygous male marries a female with a straight hairline, what percent of their children can be expected to have widow's peak?
answered
Nov 2, 2019
Biology
high-school
4
votes
88.9k
views
One way to reduce the shortage of food for a growing population would be
answered
May 18, 2019
Biology
middle-school
5
votes
102k
views
Carlie is out shopping and finds a 198.00 hat that is on sale for 90% of its original price. What is the new cost of the item? Could someone explain this to me?
answered
May 16, 2019
Mathematics
middle-school
4
votes
57.1k
views
Monique has noticed some hair growing on her armpits and that she is accumulating fat on her hips. these changes monique is experiencing are most likely related to
answered
Nov 6, 2018
Biology
high-school
0
votes
165k
views
In which sentence is the underlined word a preposition?
answered
Sep 18, 2018
English
high-school
5
votes
20.2k
views
Given that A = (4,3,-4), B = (2,8,-5) and C = (-5,5,-8), find the vector from A to the midpoint of BC.
answered
Sep 16, 2018
Mathematics
college
6
votes
141k
views
A republic is a form of government where
answered
Sep 12, 2018
Social Studies
college
5
votes
139k
views
Which of these is found within all cells?
answered
Apr 27, 2018
Biology
high-school
3
votes
50.2k
views
When asked to factor the trinomial 6x^2-18x+12, a student gives the answer (x-2)(x-1). What is one thing wrong with this answer? A. There is nothing wrong with the answer B. 6 is also a factor of this
answered
Mar 13, 2018
Mathematics
middle-school
4
votes
183k
views
A rectangle is 8cm longer than twice the width. the perimeter of the rectangle 88cm. find the detentions of the rectangle
answered
Dec 18, 2017
Mathematics
high-school
2
votes
178k
views
In addition to water, what would most likely be found in a plant central vacuole? A. toxins B. chlorophyll C. food molecules D. damaged organelles
answered
Dec 13, 2017
Biology
high-school
3
votes
47.3k
views
Why colonists feel the Articles of Confederation were necessary even though the Declaration of Independence was already written? The Declaration of Independence outlined a system of government but did
answered
Nov 15, 2017
History
high-school
7
votes
66.0k
views
the vertex of the parabola is at (3,5) when the y-value is 6, the x-value is -1. what is the cocoefficient of the squared term in the parabolas equation?
answered
Jun 17, 2017
Mathematics
high-school
3
votes
165k
views
Select the correct pronoun. I love this car, especially _____ color. its it's
answered
Jan 28, 2017
English
high-school
3
votes
56.5k
views
With similar triangles, the ratios of all three pairs of corresponding sides are never equal. true or false?
answered
Apr 1, 2016
Mathematics
high-school
4
votes
219k
views
The european union was established so european nations could trade together without so many restrictions. True Or False
answered
Jan 26, 2016
History
high-school
0
votes
195k
views
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