Answers by Alfonz
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Answers by Alfonz

Answers by Alfonz
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2. The average temperature for 3 days was 20°. What must the temperature be on the fourth day to raise the average temperature for the four days to 20.5°?
answered Jan 21, 2021
4 votes
139k views
An aerial photograph is taken of a building. The photograph is made when the angle of elevation of the sun is 25 degrees. The shadow is determined to be 80 feet long. How tall is the building?
answered Dec 21, 2020
4 votes
193k views
Let h represent Mark's height in inches. Suzanne is 7 inches shorter than Mark. Write an algebraic expression that represents Suzanne's height in inches.
answered Dec 10, 2020
2 votes
155k views
An ameba is a single-celled organism. It uses its cell membrane to obtain food from its environment, digests the food with the help of organelles called lysosomes, and uses other organelles to process
answered Mar 4, 2020
1 vote
80.1k views
Read the sentence. Because she was well prepared and organized, Vivian interviewed better than _____. Which pronoun correctly completes the sentence's elliptical clause?
answered Aug 11, 2019
6 votes
96.7k views
The table below compares the scientific hypotheses proposed by Gregor Mendel and Alfred Wegener. Check the pic. Both Gregor Mendel and Alfred Wegener proposed ideas that were not accepted completely by
answered Jun 20, 2019
3 votes
222k views
Simplify (2x^2+6x+5) - (6x^2+3x+5)
answered May 3, 2019
4 votes
144k views
Which polynomial identity will prove that 64+27=91
answered Jun 30, 2018
4 votes
60.0k views
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