Answers by Dirk Groeneveld
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Answers by Dirk Groeneveld

Answers by Dirk Groeneveld
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Calculate the wave speed (in m/s) for the following waves: a) A sound wave in steel with a frequency of 500 Hz and a wavelength of 3.0 meters. (2pts) b) a ripple on a pond with a frequency of 2 Hz and
answered Dec 6, 2023
3 votes
19.7k views
Science edpuzzle Which of the following are some examples of a chemical change? Select all the apply
answered Sep 12, 2023
11 votes
106k views
In the given figure AB = AC, BAD = 50 and AD = AE. find the value of x
answered Jun 13, 2023
5 votes
10.4k views
A small tree was planted at a height of 17 feet. The tree has been planted for 12 months, and is now 66 feet tall. Which equation could be used to find x, the average number of feet the tree grew each
answered Apr 13, 2023
1 vote
66.6k views
On her math test. Heidi correctly answered 36 of the 40questions. What percent of the questions did Heidi correctanswer?
answered Mar 17, 2023
5 votes
178k views
In the coordinate plane, plot AB¯¯¯¯¯¯¯¯ and CD¯¯¯¯¯¯¯¯ given by the points A(−4, 5), B(−4, 8), C(2, −3), D(2, 0)
answered Nov 28, 2022
0 votes
190k views
How did the Supreme Court define the role of the federal government in Marbury v. Madison (1803) and McCulloch v. Maryland (1819)? Identify at least two examples in two sentences.​
answered Aug 27, 2022
12 votes
202k views
Emotional states are integrated by the __________, which generates an output that creates such respiratory variations as laughing and crying.
answered Aug 23, 2022
4 votes
187k views
"You may turn the page now," said the invigilator, "and begin writing." change it into direct speach
answered Jun 12, 2022
2 votes
109k views
Which of the following was a form of violence used by the Ku Klux Klan against African Americans? A) boycotting B) lynching C) bribery D) extortion
answered Apr 4, 2022
4 votes
212k views
A box moves to the right along a rough, wooden surface. In which direction does the box experience a frictional force? to the right, in the same direction as the object’s motion to the left, in the opposite
answered Oct 14, 2021
3 votes
235k views
How did Dugas help spread of the disease? (Gaetan)
answered Oct 11, 2021
3 votes
192k views
UVOISINOULLIV HU Snow fell over the past three days. The first two days each received three and two-fourth inches of snow. Only one and three-fourth inches of snow fell on the third day. What was the total
answered Sep 28, 2021
5 votes
229k views
The scale factor for the reduction is The length of A=204) = 4 feet What is the length of B? B = feet
answered Sep 9, 2021
2 votes
197k views
What is the value of B? B
answered Jul 17, 2021
2 votes
101k views
Photosynthesis define​
answered Jul 10, 2021
3 votes
134k views
Why was the colony of Maryland established?
answered Jun 26, 2021
4 votes
150k views
Factoring for GCF. Help please and thanks!
answered Jun 13, 2021
5 votes
211k views
WILL GIVE 30 POINTS, PLEASE ANSWER QUICKLY! A cable-stayed bridge is similar to a suspension bridge, but is more efficient for medium distances. In this design of bridge, there are two towers, and strong
answered Mar 8, 2021
6 votes
141k views
You are attending a lecture by a banker and you expect her to advocate bank savings accounts. However, she advocates stock investments instead. Since her message goes against her own self-interest, you
answered Jan 29, 2021
0 votes
12.1k views
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