Answers by Amr Ellafy
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Answers by Amr Ellafy

Answers by Amr Ellafy
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Solve the given problem by the method of variation of parameters, y'' + 2y' + y = e^(-x)lnx.
answered Apr 17, 2024
3 votes
67.0k views
9a⁴+12a²b²+4b⁴ of the following is equivalent to the kion shown above?
answered Apr 7, 2024
4 votes
209k views
A group of students was surveyed in a middle school class. They were asked how many hours they work on math homework each week. The results from the survey were recorded. Number of Hours Total Number of
answered Feb 19, 2024
5 votes
212k views
Field 'id' doesn't have a default value?
answered Jan 11, 2024
3 votes
44.3k views
Why was the creation of the Council of National Defense important to the war effort?
answered Dec 7, 2023
4 votes
230k views
Find the approximated area of a circle whose circumference is 7.85.
answered Dec 2, 2023
3 votes
128k views
Do you think there should be a data base for everyone's DNA ? If so then why?
answered Sep 18, 2023
2 votes
38.9k views
Please help me. I can´t figure it out.
answered Sep 11, 2023
10 votes
92.8k views
Area of rectangle 5 7/8km x 18/4km
answered Jul 6, 2023
8 votes
22.7k views
Who does Mr Frederick represent in real life?
answered Jun 21, 2023
3 votes
108k views
Find the 15th term of the geometric sequence 9,18,36
answered Apr 26, 2023
2 votes
6.9k views
Gabrielle is preparing a historical presentation about immigration during the late 19th and early 20th centuries. Her thesis is that the immigrants who came through Ellis Island were primarily families
answered Mar 29, 2023
10 votes
193k views
Select the values that are solutions of the inequality X 3<4. X=4 X=8 X= 12 X= 16 X= 20 X= 24
answered Dec 29, 2022
4 votes
231k views
The pressure resulting from a force of 50 N exerted over an area of 5 m2 is (2 marks)
answered Oct 21, 2022
1 vote
122k views
A bit pattern is shown below. 01001110 Convert the bit pattern into decimal.
answered Oct 20, 2022
2 votes
62.6k views
Answer asap!?!????! Thank you
answered Jun 16, 2022
5 votes
68.4k views
2. Name 3 points that are collinear* 2 s S R O points T, Q, and R O points T, Q, and S O points S, Q, and R
answered Apr 21, 2022
4 votes
143k views
True or false? When the internal and external oblique contract they help flex the vertebra.
answered Apr 20, 2022
4 votes
232k views
Ch. 3 Workbook pg. 3.9 Form sentences with the following Give as much information as possible, 1. yo / hablar 2. el/comprar 3. la profesora / enseñar 114- 4. ustedes / tomar 5. nosotros / sacar 6. Pablo
answered Apr 12, 2022
2 votes
135k views
Evaluate the expression when y=6 and x=4. x + 7y X s ?​
answered Feb 20, 2022
2 votes
141k views
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