Answers by Raydelto Hernandez
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Answers by Raydelto Hernandez

Answers by Raydelto Hernandez
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A radioactive isotope of potassium (K) has a half-life of 20 minutes. If a 40.0 gram sample of this isotope is allowed to decay for 80 minutes, how many grams of the radioactive isotope will remain? A)
answered Jul 27, 2018
0 votes
192k views
3 open-ended questions about the Mexican border wall? Please help! ASAP!!!!
answered Jul 12, 2018
2 votes
227k views
Suppose a graph passes the horizontal line test: No horizontal line can be drawn that touches the graph in more than one location. Does this mean that the graph represents a function? If not, is there
answered Jun 15, 2018
6 votes
184k views
Which powers best complete this graphic?
answered Apr 14, 2018
5 votes
215k views
Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = -5 - 5 cos θ
answered Feb 21, 2018
3 votes
158k views
Which sets of values belong to the domain of range of a relation?
answered Jan 9, 2018
3 votes
180k views
A total of about 230 million turkeys were raised in the U.S. last year. Were more than one-quarter of them raised in Minesota if there were 40,000,000 turkeys in Minesota? Explain
answered Dec 31, 2017
5 votes
100k views
The geometric sequence that tells the perimeter of each stage in the building of Koch's snowflake has a first term of 3 and a ratio of 4/3. At the 18th stage in the construction of this snowflake, the
answered Nov 7, 2017
4 votes
115k views
Which statement is true for communicating about others’ viewpoints?
answered Jul 2, 2017
3 votes
41.8k views
For metalloids on the periodic table, how do the group number and the period number relate? A. The lower the group number, the lower the period numbers, so the metalloids are found in a diagonal moving
answered Apr 24, 2017
4 votes
20.0k views
When forming water, valence electrons are ____________ between oxygen and hydrogen atoms, thereby forming covalent bonds to make three stable atoms ANYONE PLEASE!!!!!
answered Feb 25, 2017
5 votes
31.5k views
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