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A wave has a period of 2 seconds and a wavelength of 4 meters. Calculate its frequency and speed. Note: Recall that the frequency of a wave equals 1/period & the period of a wave equals 1/frequency.
answered
Mar 22, 2022
Physics
high-school
6
votes
9.5k
views
True or False After the Peloponnesian War ended, Greek city-states were united for many years under Spartan rule.
answered
Feb 15, 2022
Social Studies
middle-school
0
votes
121k
views
Trey has $25,000 in savings, two new laptops, two laser printers, and a variety of quality office furniture that he's using to start his new Internet auction startup business. This array of assets brought
answered
Jan 26, 2022
Business
high-school
6
votes
198k
views
Please help me! I will fail science if I don’t finish this test :(
answered
Jan 15, 2022
Chemistry
college
5
votes
135k
views
How did Hollywood marketing of their film change in the late 1970s?
answered
Nov 28, 2021
Arts
middle-school
6
votes
30.6k
views
Yesterday, Kate gave exactly fourteen haircuts and made $50.00. If she charged $5.00 for adults' haircuts and $2.50 for children's haircuts, how many children's haircuts did she give? A) 5 B) 6 C) 7 D)
answered
Oct 22, 2021
Mathematics
high-school
3
votes
10.7k
views
Landscape company sold 25 trees on Friday. There were a total of 125 trees in inventory. What percent of the trees were sold on Friday?
answered
Oct 8, 2021
Mathematics
college
1
vote
31.0k
views
The history of writing about history is called A. archaeology B. anthropology C. historiography D. historical narrative
answered
Oct 6, 2021
History
middle-school
6
votes
206k
views
Tag questions: Nobody has bought this book yet,.............?
answered
Jun 12, 2021
English
high-school
0
votes
64.2k
views
how does the nucleus and ribosomes work together to maintain homeostasis? i need to write a 4 paragraph essay on this....
answered
May 18, 2021
Biology
college
1
vote
214k
views
0.02387 to nearest hundredth
answered
Apr 10, 2021
Mathematics
middle-school
5
votes
37.6k
views
Simplify this God please
answered
Feb 27, 2021
Mathematics
college
3
votes
156k
views
A lil help would be nice right now
answered
Feb 21, 2021
Mathematics
middle-school
3
votes
118k
views
Mr Garland writes this expression on the board 3/4÷ 2 1/2 expression he ask his students to write a word problem that could be solved using the expression.
answered
Feb 15, 2021
Mathematics
high-school
2
votes
222k
views
Barb exercises for 14 hours in one week how many hours dose she exercises in 32 weeks
answered
Dec 10, 2020
Mathematics
high-school
4
votes
146k
views
What would have happened in 1818 if missouri had joined the union as a slave state? Answer on edge: THE BALANCE OF POWER IN CONGRESS WOULD HAVE SHIFTED
answered
Oct 15, 2020
History
middle-school
4
votes
123k
views
Tell whether the lines for each pair of equations are parallel,perpendicular,or neither. y= -2x+4 -5x+10y=5
answered
Sep 22, 2020
Mathematics
middle-school
7
votes
601
views
Determine if the two expressions are equivalent and explain your reasoning. show all work plzs 11p + 2(p + 3) and 1 + p(13) + 2
answered
Feb 24, 2020
Mathematics
middle-school
4
votes
87.8k
views
What’s the answer???(SOMEONE PLEASE HELP ME)
answered
Oct 30, 2019
Mathematics
middle-school
3
votes
136k
views
What is 27/36 as a decimal?
answered
Aug 17, 2019
Mathematics
middle-school
1
vote
145k
views
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