Answers by Farshid PirahanSiah
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Answers by Farshid PirahanSiah

Answers by Farshid PirahanSiah
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The half-life of Sodium-24 is 15 hours, and the half-life of Francium-223 is 22 minutes. How long will it take for a 200 g sample of Sodium-24 to decay to 25 g? please solve!! thank uuu
answered Oct 29, 2021
3 votes
185k views
What traits did the “middle-class” value during the late 1800s?
answered Oct 28, 2021
1 vote
50.2k views
Forest Gump ran for 13 hours and went 65 miles. What is the unit rate (how many miles did he run per hour)?? Explain your answer.
answered Jul 25, 2021
2 votes
127k views
4 – Microwave Miracle Patrick believes that fish that eat food exposed to microwaves will become smarter and would be able to swim through a maze faster. He decides to perform an experiment by placing
answered Jul 4, 2021
2 votes
138k views
Sarah and Jane formed a partnership with capital contributions of $210,000 and $123,000, respectively. Peter contributed $86,000 to acquire an ownership interest of 12% in the new partnership. How much
answered Jun 27, 2021
5 votes
28.8k views
A phone company surveys a sample of current customers to determine if they use their phones most often to text or use the Internet. They sort the data by paynlent plans, as shown below. Plan A: 27 text,
answered Jun 15, 2021
3 votes
225k views
What Is Algebra Meaning? ​
answered Jun 10, 2021
0 votes
19.7k views
How does your power output in climbing the stairs compare to the power output of a 100-watt light bulb?
answered Jun 8, 2021
0 votes
109k views
Please help me fill in the blanks!!
answered Jun 2, 2021
3 votes
123k views
What is the sum? 23.85 + 7.42 + 16.15 Enter your answer in the box. 47.42
answered Mar 21, 2021
5 votes
104k views
Select the correct answer. A sample of gas at 300 K has a volume of 2.0 liters. At what temperature will the volume decrease to 1.0 liter if the pressure is kept constant A 600K B 150K C 250K D 650K
answered Mar 20, 2021
4 votes
123k views
What organelle is composed of flattened membranous sacs that are involved in the 'packaging' and 'shipping' of proteins? (write out entire name)
answered Nov 30, 2020
4 votes
62.1k views
What is slope of this pic I ONLY HAVE 3 MINS PLSHELP A.2 B.5 C 1/2 D.5/3
answered Oct 21, 2020
3 votes
136k views
Can someone help me on this question please and explain how you got the answers
answered Mar 30, 2020
1 vote
70.9k views
Explain what is in a buffer. Discuss the function of a buffer. How will pH change when small amounts of acids or bases are added to the buffer solution?
answered Feb 26, 2020
6 votes
6.9k views
What is 1000x - 1x? A) 101x B) 1001x C) 99x D) 999x
answered Aug 31, 2019
5 votes
63.1k views
In the sophomore class at Dixon High School, the number of students taking French is two-thirds of the number taking Spanish. How many students are studying each language if the total number of students
answered Jul 21, 2019
3 votes
32.8k views
The Venn diagram compares protons with neutrons. Which shared property belongs in the region marked "B"?
answered Jul 3, 2019
3 votes
100k views
According to carl rogers, the __________ is how people think they should be.
answered Jun 18, 2019
7 votes
212k views
Xion and Kyndol wanted to have a contest to see which of their paper airplanes could fly the longest distance. xion's plane flew four meters. kyndol's plane flew 79 centimeters. how much further did xion's
answered May 1, 2019
5 votes
192k views
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