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A ray of light is passing through a medium making an angle of 45°. If the refractive index of the medium is 1.4, calculate the angle of refraction. [Ans: 30°)
answered
Jun 24, 2022
Biology
high-school
3
votes
103k
views
-3ab+4ac-2ad=-(3ab-4ac+2ad) true false other:
answered
Jun 17, 2022
Mathematics
high-school
2
votes
181k
views
Many historians say that the seeds of animosity that will light the fire to World War II began with the impact of the:
answered
Apr 30, 2022
History
college
0
votes
14.0k
views
Which expression represents the phrase: 8 less than the product of 6 and a number, x?
answered
Mar 30, 2022
Mathematics
college
12
votes
8.6k
views
Answer this and I will follow u back
answered
Mar 22, 2022
Mathematics
high-school
3
votes
4.1k
views
Which point is on the line y=-2x+ 3? O (-2,-1) O (3,-3) O (3,3) O (-3,-9)
answered
Feb 19, 2022
Mathematics
high-school
8
votes
167k
views
What is the slope of a line that goes through the points (3,-1) and (9,1) ?
answered
Nov 21, 2021
Mathematics
middle-school
2
votes
55.1k
views
Describe how major events of the first half of the 20th century (WWI & WWII) became the spark for decolonization.
answered
Nov 21, 2021
History
middle-school
2
votes
182k
views
if the first and third of three consecutive odd integers are added, the result is 75 less than five times the second integers. find the third integer. please show work
answered
Oct 30, 2021
Mathematics
middle-school
5
votes
116k
views
Swoon wants to create work that will last forever. True False
answered
Oct 5, 2021
History
college
6
votes
29.6k
views
A reason President Bush’s approval rating fell at the end of his presidency was that he
answered
Aug 23, 2021
History
middle-school
5
votes
219k
views
If our eyes could see a slightly wider region of the electromagnetic spectrum, we would see a fifth line in the Balmer series emission spectrum. Calculate the wavelength λλlambda associated with the fifth
answered
Jun 30, 2021
Physics
college
3
votes
138k
views
How much of the courtyard can the students use for a garden complete the statement
answered
May 31, 2021
Mathematics
middle-school
5
votes
30.4k
views
2. Describe how adenine and thymine are related to each other.
answered
May 27, 2021
Biology
high-school
3
votes
152k
views
Who was the first president of Somalia?
answered
Apr 20, 2021
History
college
5
votes
33.5k
views
Help please!! 10. What are the differences between Domestic, Foreign & Alien corporations? 11. What are owners of a corporation called? 12. When can a corporation declare a dividend on its stock? 13. What
answered
Mar 6, 2021
Business
middle-school
4
votes
181k
views
Can you guys please help me
answered
Feb 18, 2021
Mathematics
high-school
6
votes
194k
views
Does anyone know the answer to this math problem
answered
Oct 17, 2020
Mathematics
middle-school
2
votes
43.5k
views
What is the function of muscle cells
answered
May 29, 2020
Biology
middle-school
4
votes
127k
views
A rectangle is 9 ft long and 40 in. wide. What is its area in square feet? (Note: 1 ft = 12 in.) 30 ft2 36 ft2 98 ft2 360 ft2
answered
Apr 27, 2020
Mathematics
middle-school
4
votes
120k
views
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