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Answers by JCQian

Answers by JCQian
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A sample of 21 first year night-school students' ages is obtained in order to estimate the mean age of night school students. The study yielded the sample mean of x = 24.5 years. Assume that the age of
answered Apr 30, 2024
2 votes
174k views
Maximize Z= 5X1 + 4X2 Subject to; 1.5X1 + 2.5X2 ≤ 80 2X1 + 1.5X2 ≤ 70 X1&X2 ≥ 0
answered Oct 6, 2023
6 votes
119k views
In 200 words, explain how the incident with the rabid dog in chapter 10 and the death of Mrs. Dubose in chapter 11 relates to the theme of having moral courage.
answered Sep 13, 2023
5 votes
47.5k views
Sulfur is yellow, solid, nonmetal. what other elements is likely also a nonmetal?
answered Apr 17, 2023
8 votes
158k views
Which of these dangers was NOT something that pirates had to worry about?
answered Mar 8, 2023
6 votes
135k views
The forehead is _______ to the ears. Multiple Choice medial lateral inferior lateral distal
answered Jan 1, 2023
8 votes
21.4k views
HURRY! PLZ!!!!!!!!!!!!!!!!!!!!!!!!!!! Which nation settled in the Northeastern part of the United States? a. the English c. the French b. the Dutch d. all of the above
answered Nov 25, 2022
9 votes
61.3k views
What are all the even numbers ​
answered Aug 24, 2022
4 votes
131k views
41.7 x 2.3 Work out this question ​
answered Apr 23, 2022
4 votes
131k views
Solve for x. 4(x+113)=923 Enter your answer as a mixed number in simplest form in the box.
answered Mar 27, 2022
1 vote
92.6k views
An Egyptian pyramid contains approximately 1.95 million stone blocks. The average weight of each block is 2.55 tons. What is the weight of the pyramid in pounds?
answered Mar 11, 2022
7 votes
233k views
What is the average rate of change of g(x)=4x+5 ​?
answered Feb 23, 2022
3 votes
119k views
Which function is shown in the graph below? y 10 8- 6 2 -10 -8 -6 - 24 8 8 10 x 18+ -10 -107
answered Feb 9, 2022
3 votes
220k views
Why does Mrs.Flint spit in the kettles and pans used for cooking?
answered Dec 2, 2021
4 votes
77.2k views
What is the square root of -1
answered Nov 25, 2021
5 votes
146k views
A youth group and their leaders visited a museum. Three adults and six students in one van paid $102 for their admission. Two adults and seven students paid $95 for their admission. Marcus wrote a system
answered Nov 4, 2021
3 votes
222k views
I NEED HELP ASAP!!!!!!
answered Oct 19, 2021
2 votes
39.1k views
Caroline packs 12 jars of jam in a box . She has 50 boxes. She has 665 jars of jam. How many jars of jam will she have left when all the boxes are full?
answered Oct 7, 2021
2 votes
8.9k views
An alloy composed of nickel, zinc, and copper in a 4:1:2 ratio. How many kilograms of each metal are needed to make 35 kg of this alloy? The required amount of nickel is kg . The required amount of zink
answered Sep 14, 2021
2 votes
32.3k views
Ice made from water is a solid because the atoms or molecules > A. Vibrate in place B. Are unable to move around C. Are closely packed and touching D. All of the above
answered Aug 24, 2021
0 votes
3.1k views
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