Answers by Chris Mendla
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Answers by Chris Mendla

Answers by Chris Mendla
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Light of wavelength 575 nm falls on two double slits spaced 0.30 mm apart. What is the required distance from the slits to a screen if the spacing between the first and second dark fringe is to be 4.00
answered Oct 1, 2021
5 votes
85.8k views
A bag contains 8 red marbles, 7 blue marbles and 5 green marbles. If two marbles are drawn out of the bag, what is the probability, to the nearest toooth, that both marbles drawn will be green?
answered Jul 19, 2021
3 votes
23.3k views
What is a number line for 5a + 18 < -27?
answered Apr 22, 2021
5 votes
45.7k views
Ms Davis has 6 red pens, 4 blue pens and 8 black pens. All of her pens are the same size She puts all of them in a bag What is the probability that she will draw a blue pen? A.14/18 B.4/14 C.4/18 D.6/12
answered Mar 26, 2021
5 votes
140k views
Nose bleeding occur when we move to higher attitude​
answered Mar 11, 2021
4 votes
85.9k views
What is the volume of the rectangular prism? 21 mm3 76.5 mm3 80 mm3 267.75 mm3
answered Mar 10, 2021
2 votes
116k views
A 100 foot rope weighs 200 pounds. It is hanging vertically from the top of a tall building. After "x" feet have already been lifted, how much does the remainder of the rope (the hanging part) weigh? O2
answered Sep 20, 2020
5 votes
188k views
Can someone please help me with this???
answered Jun 13, 2020
5 votes
82.6k views
During the New Kingdom, Egypt became ______. A. a colony B. a has been C. an empire D. a country ruled by slaves
answered Jan 25, 2020
2 votes
76.6k views
To determine the number of trouttrout in a lakelake​, a conservationistconservationist catches 360360 trouttrout​, tags​ them, and releases them. later 198198 trouttrout are​ caught, and it is found that
answered Dec 31, 2019
4 votes
181k views
How many half-lives will it take for the concentration of the n2o to reach 30 % of its original concentration?
answered Oct 1, 2019
5 votes
67.0k views
Burns Road Library is a lovely place to spend an afternoon out of the hot sun. Worried about noisy teens? Don't be! They have a separate area to themselves, allowing you to enjoy the air conditioning and
answered Aug 12, 2019
1 vote
72.3k views
A different group of people had the basic continental breakfast which coasts $6.40 they paid $32 in all how many people were in the group? Show how you figured it out
answered Apr 9, 2019
4 votes
56.7k views
30% of the sixth grade is eleven years old. if there are 90 eleven years olds, how many total students are in the sixth grade?
answered Mar 17, 2019
5 votes
67.0k views
What contributes more to heroism sacrifice for success beowulf?
answered Feb 25, 2019
4 votes
202k views
How does a reflecting telescope work
answered Nov 11, 2018
7 votes
184k views
Simplify 3[14/(4^2-3^2)-5] answer choices: a. -9 b. 27 c. 21 d. 6 pls help lots of points!!
answered Nov 9, 2018
5 votes
70.6k views
According to the rules of subject-verb agreement, phrases or clauses between the subject and the verb do not change the
answered Aug 10, 2018
3 votes
211k views
What percentage of the colonies would create a challenging front to the British?
answered Mar 4, 2018
1 vote
83.2k views
Heather's school is switching from block scheduling to a more traditional schedule. She is trying to determine how the parents and students feel about this. Which question is the MOST appropriate for her
answered Jan 30, 2018
3 votes
96.2k views
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