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1) A light wave has a frequency of 2.0 x 10^6 Hz. what is the wavelength of this light wave? 2) Calculate the wavelength of a wave with a frequency of 2.5 x10^7HZ. 3) Calculate the frequency of a wave
answered
Nov 9, 2021
Physics
high-school
7
votes
22.1k
views
What do the Allies want to do with the territory that was previously part of the Ottoman Empire? ¿Qué quieren hacer los Aliados con el territorio que anteriormente era parte del Imperio Otomano?
answered
Oct 24, 2021
History
high-school
3
votes
141k
views
. There are 25 questions in a quiz. Each correct answer scores 3 points. Each incorrect answer loses 2 points. A question not answered scores 0 It is possible to finish the quiz with a negative score.
answered
Oct 16, 2021
Mathematics
high-school
5
votes
63.1k
views
Use Ratios. There are about 300,000 species of plants. Of those, 12,000 are mosses. What is the ratio of mosses to plants? Express the answer all three ways.
answered
Sep 11, 2021
Mathematics
high-school
3
votes
160k
views
Identify the subsets of real numbers to which the number 25√ belongs. rational irrational real complex Choose all that apply.
answered
Jun 25, 2021
Mathematics
middle-school
6
votes
101k
views
Which statement is true? A.-8<6 1/2 B.-4<5 1/2 C.2 1/2<-2. D.1>1 1/4 Please help I need this like right now....
answered
Apr 22, 2021
Mathematics
college
2
votes
18.4k
views
Mary Alice just won the lottery and is trying to decide between the options of receiving the annual cash flow payment option of $420,000 per year for 25 years beginning today, or receiving one lump-sum
answered
Apr 21, 2021
Business
college
2
votes
116k
views
What types of literature did the Greeks create
answered
Nov 28, 2020
History
middle-school
4
votes
27.9k
views
How many different trios could be selected from a chorus of 20 singers? 20! C(20, 3) P(20, 3)
answered
Aug 13, 2020
Mathematics
middle-school
3
votes
12.2k
views
Which best describes the philosophes’ approach to understanding the world
answered
Jul 18, 2020
History
middle-school
1
vote
44.9k
views
What effect does distress usually have?
answered
May 16, 2020
Arts
middle-school
3
votes
101k
views
A party rental company has chairs and tables for rent. The total cost to rent 3 chairs and 5 tables is $39 . The total cost to rent 9 chairs and 7 tables is $63 . What is the cost to rent each chair and
answered
Mar 9, 2020
Mathematics
college
5
votes
218k
views
What happens to the kinetic energy of water when it changes from the liquid state to the solid state
answered
Aug 30, 2019
Physics
middle-school
3
votes
108k
views
What is the correct order for the history of cell research? Koch studies tuberculosis ------>Schwann studies cell division ----> Hooke first uses a microscope Schwann studies cell division -----> Hooke
answered
May 14, 2019
Health
college
2
votes
162k
views
Which value of b will cause the quadratic equation x^2+bx+5=0 to have two real number solution
answered
Apr 13, 2019
Mathematics
middle-school
4
votes
96.7k
views
QUESTION 3 What is different between an ionic bond and a covalent bond? An ionic bond is a bond between charged atoms, while a covalent bond is a bond between neutral atoms. An covalent bond is a bond
answered
Mar 26, 2019
Chemistry
middle-school
4
votes
10.8k
views
Find the LCM of 693, 495 and 297.
answered
Mar 8, 2019
Mathematics
high-school
4
votes
228k
views
How are the civil service system and the merit system connected?
answered
Mar 1, 2019
Social Studies
high-school
1
vote
47.5k
views
Read the argument excerpt related to teen use of smartphones and answer the question that follows: People on either side of the smartphones-for-teens debate can't agree on the evidence. Sure, there's proof
answered
Nov 3, 2018
English
middle-school
4
votes
110k
views
What do free entry and exit refer to? a.the ability of businesses to hire and fire staff as needed for rising and falling levels of production b.the ability of businesses to begin or end production and
answered
Oct 31, 2018
Social Studies
high-school
3
votes
151k
views
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