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Explain how insulation increases the efficiency of heating and cooling systems.
answered
Jan 2, 2022
Biology
high-school
3
votes
131k
views
I’m having trouble with this
answered
Dec 24, 2021
Mathematics
high-school
5
votes
211k
views
The french government commissioned binet to develop an intelligence test that would
answered
Nov 20, 2021
History
high-school
0
votes
25.6k
views
The segments shown below could form a triangle. o O A. True C B Fase
answered
Nov 15, 2021
Mathematics
middle-school
4
votes
148k
views
The area of a rectangular dining room is 108ft squared and the length is 12ft. What is the width of the dining room?
answered
Nov 9, 2021
Mathematics
middle-school
2
votes
82.0k
views
A boy cycled at an average speed of 21km/h for 40 minutes. What distance did he cover? please give the answer quickly
answered
Oct 16, 2021
Mathematics
high-school
1
vote
73.0k
views
Can you answer this please
answered
Sep 18, 2021
Mathematics
middle-school
3
votes
153k
views
Which of the following is NOT true about essential body fat? A. The human body would not function normally without essential body fat. B. Essential body fat accounts for about 3% of men's total weight.
answered
Jul 16, 2021
Health
college
1
vote
86.0k
views
At a college, 69% of the courses have final exams and 42% of courses require research papers. Suppose that 29% of courses have a research paper and a final exam. Let F be the even that a course has a final
answered
May 19, 2021
Mathematics
college
3
votes
109k
views
Which of the following is a unit rate?
answered
Apr 29, 2021
Mathematics
middle-school
2
votes
31.9k
views
X^4 - 2x^2 - 15 pls help
answered
Mar 15, 2021
Social Studies
high-school
2
votes
31.3k
views
A real estate builder wishes to determine how house size is influenced by family income, family size, and education of the head of household. House size is measured in hundreds of square feet, income is
answered
Mar 4, 2021
Mathematics
college
5
votes
228k
views
The electromagnetic force acts between what
answered
Jul 21, 2020
Chemistry
middle-school
4
votes
189k
views
After hitting a long fly ball that goes over the right fielder's head and lands in the outfield, the batter decides to keep going past second base and try for third base. The 67 kg player begins sliding
answered
Jul 12, 2020
Physics
high-school
4
votes
151k
views
Do all colors of light travel at the same speed
answered
Jun 24, 2020
Chemistry
middle-school
2
votes
70.5k
views
Which of the following was an effect of the Crusades? A. People became more isolated in their home regions. B. Christianity was limited to European countries. C. Muslim advances in science and medicine
answered
Mar 15, 2020
History
middle-school
7
votes
13.8k
views
During which decades did the US government pass all the Indian Appropriation Acts?
answered
Feb 27, 2020
History
high-school
4
votes
90.7k
views
Magnesium (Mg) will have chemical properties most like (2 points) manganese (Mn). calcium (Ca). sodium (Na). aluminum (Al).
answered
Nov 11, 2019
Chemistry
high-school
3
votes
102k
views
A Ferris Wheel has a diameter of 160 feet. There are 60 cars for riders, and they are placed at even intervals around the Ferris Wheel. Approximately how many feet apart are the cars placed? Use 3.14 for
answered
Oct 18, 2019
Mathematics
middle-school
2
votes
177k
views
How do you factorise 8p-12
answered
Sep 26, 2019
Mathematics
middle-school
3
votes
63.5k
views
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