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.If x= 2 +√3 , find the value of x^2+1/x^2 and x^4+1/x^4
asked
Jan 18, 2021
Mathematics
middle-school
1
answer
4
votes
76.7k
views
Which is an unhealthy way to cope with anger
asked
Dec 4, 2020
Health
middle-school
2
answers
3
votes
136k
views
Show that for any real numbe????, the solution to the equation 10x = 3 ∙ 10???? is log(3) + ????.
asked
Oct 6, 2020
Mathematics
high-school
1
answer
4
votes
121k
views
A 70 kg box is pulled by a 400 N force at an angle of 30° to the horizontal. The force of kinetic friction is 75 N.
asked
Apr 10, 2020
Physics
high-school
1
answer
3
votes
192k
views
The asymptote function f(x)=3^x+4 is y=
asked
Dec 26, 2019
Mathematics
middle-school
1
answer
5
votes
209k
views
What is the square root of 169/225 in fraction?
asked
Nov 2, 2018
Mathematics
high-school
2
answers
1
vote
129k
views
A rectangular field is 0.3 kilometers long and 0.2 kilometers wide What is the area in square meters
asked
Oct 10, 2018
Mathematics
college
1
answer
4
votes
148k
views
Find the volume of a cube that has a total area of 96 sq. in.
asked
May 21, 2018
Mathematics
high-school
1
answer
1
vote
117k
views
Which was an accomplishment of emperor Qianlong of China? A) Fortifying northern borders with Mongolia by constructing the Great wall B) Launching China's first massive overseas exploration under admiral
asked
Feb 13, 2018
Advanced Placement (AP)
high-school
2
answers
0
votes
19.7k
views
Which form of electromagnetic radiation is most destructive to chemical bonds in living tissue? A. gamma rays B. UV rays C. visible light D. X-rays
asked
Jan 4, 2018
Physics
high-school
1
answer
4
votes
92.2k
views
A box containing 48 pounds of coffee will be divided into packages that each hold 0.8 pound. How many packages are needed ?
asked
Nov 9, 2017
Mathematics
middle-school
2
answers
0
votes
134k
views
How did Aztec society differ from Inca society?
asked
Sep 5, 2017
History
high-school
1
answer
4
votes
195k
views
You use 4 boxes of rice to serve 13 people. If you want to serve 39 people, what should you do?
asked
Jul 22, 2017
Mathematics
middle-school
2
answers
2
votes
64.5k
views
Which was not an impact of railroads on industry in the 1800s? A. Raw materials and finished goods could be shipped more quickly than ever before. B. Small towns along rail lines increased in size. C.
asked
Aug 22, 2016
History
high-school
2
answers
3
votes
193k
views
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