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Magnesium fluoride MgF2 has n = 1.37. If applied in a thin layer over an optical lens made of glass having n = 1.39, what thickness should it be so that light having a wavelength of 645 nm is not reflected
answered
Dec 12, 2023
Physics
college
2
answers
195k
views
I pointWhich line is parallel to the line given below?І — Зу = 24у = 3х + 8Оy = - x — 4ООООy = — 3х – 1Оy = х + 3
answered
Nov 6, 2023
Mathematics
college
1
answer
128k
views
Can someone help quick? Please!
asked
Oct 13, 2023
English
college
1
answer
39.3k
views
The length of the sides DEF are 12,16,and 20. Find the perimeter of the triangle formed by connection the midpoints of the sides of DEF
answered
May 27, 2023
Mathematics
high-school
2
answers
130k
views
Which civilizations were located on the banks of the Nile River? A. Egypt, Ghana, Mali B. Egypt, Kush, Axum C. Egypt, Kush, Zimbabwe D. Egypt, Benin, Songhai
asked
Apr 2, 2023
History
high-school
1
answer
208k
views
Book:the call in the wild Ask your own questions about the book. Not obvious questions you could answer. For example: what happened to the judge? (bucks first owner) did he look for buck?
asked
Mar 27, 2023
English
high-school
1
answer
91.5k
views
Which of the following is a simplified version of 11 + 4(x + 3) = 10? A 4x + 4 = 10 B В 4x + 23 = 10 15x + 3 = 10 15x + 45 = 10
answered
Mar 21, 2023
Mathematics
college
1
answer
92.5k
views
brian runs 7 kilometers each day.write an equation that models the total kilometers,k,brian runs over,d, days
asked
Feb 8, 2023
Mathematics
high-school
2
answers
138k
views
What are Laws that have been added to the Constitution called?
asked
Feb 5, 2023
Law
college
1
answer
10.1k
views
The points (28,36) and (29, 31) fall on a particular line. What is its equation in slope-intercept form?
answered
Sep 22, 2022
Mathematics
college
1
answer
52.9k
views
What is the history of team sports?
answered
Sep 1, 2022
Social Studies
college
2
answers
24.1k
views
With a coupon, you can get a pair of shoes that normally costs $84 for only $72. How much money did you save?
answered
Aug 27, 2022
Mathematics
high-school
2
answers
204k
views
Another spanish question! No links please! Please help answer ASAP!
answered
Aug 13, 2022
Spanish
high-school
2
answers
143k
views
The lifestyle of mil girls in the 19th century
answered
Aug 4, 2022
History
high-school
2
answers
188k
views
The list below shows the temperature Elizabeth recorded at 11:00 p.m. for four days last January. Monday: 15°F Tuesday: 20°F Wednesday: -20°F Thursday: -5°F On which of the days did Elizabeth record the
asked
Jul 18, 2022
Mathematics
high-school
2
answers
184k
views
Which statement is true about this right triangle?
asked
Jul 7, 2022
Mathematics
college
1
answer
111k
views
Factor completely x2 - 4x - 12 A. Prime B. (x - 2)(x - 6) C. (x + 2)(x - 5) D. (x - 2)(x + 6) can you explain how to do it?
asked
Jul 6, 2022
Mathematics
high-school
1
answer
23.2k
views
Finer Company uses a sales journal, purchases journal, cash receipts journal, cash payments journal, and general journal. Journalize the following transactions that should be recorded in the sales journal.
asked
Jul 2, 2022
Business
college
1
answer
191k
views
if the lightbulb receives 100 J of electrical energy, and gives off 75 energy, how much heat (thermal energy away from the lightbulb?
answered
Jun 26, 2022
Chemistry
high-school
1
answer
103k
views
What are the x-intercepts for the graph of y=3(x - 2)(x+6)? A. (2,0) and (-6,0) B. (0,1) and (0,-6) C. (-2,0) and (6,0) D. (0,-1) and (0,6)
answered
Jun 24, 2022
Mathematics
high-school
1
answer
110k
views
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