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Answers by Nives

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25 students in class A did a science exam. 30 students in class B did the same science exam. The mean mark for the 25 students in class A is 67.8 The mean mark for all the 55 students is 72.0 Work out
answered Dec 31, 2023
2 votes
92.2k views
hello I could really use some help with this question please! :D A wave has a frequency of 50 HZ and a speed of 3400 m/s. Determine the waves wave length, in meters. ???
answered Dec 28, 2023
5 votes
221k views
5. A boy gets 29 marks out of 50 in his maths ex- am. What percentage did he score?
answered Dec 5, 2023
11 votes
50.2k views
PLEASE HELP I NEED QUICK!!!
answered Sep 7, 2023
2 votes
22.5k views
Match each short description to the character type it emphasizes. Tiles flat character static character round character dynamic character Pairs Harry Potter (from the Harry Potter series by J. K. Rowling)
answered Jul 16, 2023
3 votes
216k views
Which of the following choices can be used to check the answer in this equation? 205 – 110 = 95
answered Jul 15, 2023
0 votes
54.6k views
What was the primary reason millions of immigrants settled in major U.S. cities in the late nineteenth century? O They wanted the modern conveniences of electric lights and running water. O They could
answered Mar 6, 2023
3 votes
19.4k views
What field should be moved out of a table if Customer ID is the primary key? address O package size O phone number O customer name​
answered Dec 14, 2022
2 votes
228k views
What area of the ship did most immigrants travel in? Why do you think this is the case?
answered Aug 23, 2022
10 votes
95.3k views
Karen grew a pumpkin that weighed 4.3 pounds for the competition at the county fair. Nancy grew a pumpkin that weighed 5.2 pounds. Who grew the largest pumpkin, Karen or Nancy? A. Nancy B. Karen
answered Aug 12, 2022
2 votes
175k views
Point b is one the graph of the function f(x)=-3^2 if the x cordinate of point v is 2 which ordered pair gives the location of point b
answered Jul 27, 2022
0 votes
62.6k views
Due today Why should journalists follow the FCC’s rules? A. To avoid being fined B. To stay on the air C. Because they’re told to D. Both a and b
answered Apr 6, 2022
5 votes
56.1k views
in 1911, hans geiger and ernest marsden, working under ernest rutherford, conducted an experiment involving alpha particles and gold foil that led to the discovery of the nucleus in atoms.
answered Jan 23, 2022
4 votes
207k views
Please help me with this question.​
answered Nov 11, 2021
4 votes
126k views
Find the Arithmetic mean between 6 and 12​
answered Sep 30, 2021
3 votes
135k views
Which of Newton's Three Laws Applies Law 1.2 or 3? When you put a book on a table gravity puils down on the book and the table pushes up on the book A person is pushed forward into their seatbelt when
answered Sep 7, 2021
4 votes
132k views
Which of the following correctly pairs a biomolecule to its function?Enzyme: makes cell membrane's phospholipid bilayerCellulose: makes the cell walls of all plant cellsCholesterol: stores genetic informationGlucose:
answered Aug 7, 2021
3 votes
136k views
A circle had a diameter of 12 inches. To the nearest hundredth, what was the circumference?
answered Jun 27, 2021
1 vote
227k views
A snapdragon plant that bred true for white petals was crossed with a plant that bred true for purple petals, and all the F1 had white petals. The F1 were selfed. Among the F2, three phenotypes were seen:
answered Jun 20, 2021
0 votes
131k views
On topographic maps, how do you represent a steep slope?
answered Jan 19, 2021
4 votes
146k views
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