Answers by Leonardo Delfino
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Answers by Leonardo Delfino

Answers by Leonardo Delfino
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How high is a tree that casts a 20 ft shadow at he same time a 12 ft pole casts a shadow which is 4 ft long??
answered Dec 15, 2019
4 votes
195k views
Evaluate 10x^2y^-1 for x=3 and y=2
answered Oct 16, 2019
3 votes
183k views
Compare and contrast racial conflict in the south and the west in the late 19th century.
answered May 22, 2019
5 votes
62.2k views
Around 1400 CE, _________ artists revived the principles of classical Greek and Roman painting and sculpture.
answered Apr 12, 2019
5 votes
110k views
Which of these innovations was NOT developed and made popular during the era immediately following World War I? A) radio B) television C) talking movies D) home appliances
answered Dec 11, 2018
5 votes
13.0k views
What are other forms for location
answered Nov 26, 2018
5 votes
185k views
Create a 28th amendment
answered Jul 31, 2018
3 votes
59.8k views
Select the polynomial that can be factored as 2(7x - 4)(7x + 4). A. 28x^2 - 32 B. 49x^2 - 16 C. 98x^2 - 46x + 32 D. 98x^2 - 32
answered Jul 30, 2018
0 votes
148k views
Choose the correct simplification of the expression (7ab3)2.
answered Jul 20, 2018
6 votes
61.8k views
How do the events in “I Know Why the Caged Bird Sings” most influence Maya Angelou’s later poem, “The Caged Bird”?
answered Jun 12, 2018
4 votes
12.3k views
Device that measures electric current galvanometer electric motor
answered Feb 15, 2018
1 vote
152k views
The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8. Analyze the following statement. Playing violin causes students to get better grades. Is this a
answered Jul 27, 2017
6 votes
61.6k views
The main meal of the day in Spanish-speaking countries is eaten in the evening. True or false?
answered Jul 6, 2017
3 votes
48.5k views
Select the statements which are true of the developing colony at jamestown. tobacco became the main crop and made the colony profitable. the colony was started with families.
answered May 9, 2017
3 votes
137k views
What happens to the heat that is produced from fission reactions that occur in nuclear power plants? a. It is used to turn water into steam. b. It is used to heat local buildings. c. It is a waste product
answered Mar 28, 2017
1 vote
200k views
Why can we still see craters on the moon even though they were formed by ancient meteor collisions?
answered May 26, 2016
5 votes
9.8k views
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