Answers by John Prior
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Answers by John Prior

Answers by John Prior
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When an electron of a hydrogen atom travels from n = 4 to n = 2, a photon of energy 4.165 × 10-19 joules is released. Calculate the wavelength associated with this radiation.
answered May 27, 2021
6 votes
79.1k views
Examine the cladogram. which trait separates bicylces from airplanes motorcycles and cars
answered Apr 6, 2021
6 votes
208k views
Lee los siguientes párrafos y contesta la pregunta, Hugo Chavez, presidente venezolano desde 1999, fue expulsado temporalmente en 1992 por elementos de la derecha del ejército, pero sus partidarios reinstalaron
answered Mar 24, 2021
4 votes
110k views
Answer the following questions: 1. Which of the poets you've read so far is referred to as a Romantic? 2. Which poet personifies a tree by saying it lifts its arms in prayer, lives intimately with rain,
answered Mar 6, 2021
2 votes
190k views
Maria wrote the expression 5 more than the quotient of 60 and n. Write and algebraic expression that represents what Maria wrote.
answered Jan 19, 2021
3 votes
46.9k views
What is -14=3x+x-2 can someone please help
answered Dec 10, 2020
5 votes
172k views
Evaluate cube root of 2×4^2/3 divided by 128^1/3
answered Dec 6, 2020
5 votes
198k views
Make 29 in three different ways
answered Sep 26, 2020
2 votes
14.1k views
What is the median of the numbers 4,4,4,5,6,7,7,7,10,11
answered Aug 27, 2020
0 votes
106k views
A herd of 37 horses has 33 white and some black horses. What is the ratio of black horses to white horses?​
answered Jun 10, 2020
5 votes
156k views
What does herida mean?
answered Mar 24, 2020
3 votes
61.4k views
The illustration shows two circles of radii 4 cm and 2 cm respectively. the distance between the two centre is 8 cm. find the length of the common tangent.
answered Aug 12, 2019
2 votes
44.9k views
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