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Answers by Jjohn

Answers by Jjohn
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The half-life of a radioactive kind of iodine is 21 hours. How much will be left after 42 hours,if you start with 19,296 grams of it?In grams
answered Nov 15, 2023
1 vote
34.1k views
In the late 300s B.C., travel between Rome and southeastern Italy was difficult because of marshes and mountains. The Romans overcame these natural obstacles by building A. the Colosseum. B. the Forum
answered May 13, 2023
6 votes
106k views
Which of these are examples of advancements made during China's many dynasties? Domestication of oxen and goats Architectural domes and columns Silk and paper making Ziggurats and pyramids
answered May 13, 2023
10 votes
24.2k views
7. The John G. Riley Center and Museum in Tallahassee is open for tours year-round. Admission is $5.00. If 283 tour tickets are sold each month, how many tickets would be sold in 1 year?
answered May 11, 2023
2 votes
184k views
A machine has an efficiency of 60%. If the machine is required to overcome a load of 30N with a force of 20N, calculate its mechanical advantage?​
answered Jan 28, 2023
10 votes
171k views
The population of Texas is 29,000 this year and is increasing at 4% per year. what will the population be next year
answered Jan 10, 2023
3 votes
226k views
Simplify: {(12)^1 + (13)^-1}/[(1/5)^-2 × {(1/5)^-1 + (1/8)^-1}^-1]​
answered Dec 15, 2022
5 votes
204k views
The Baker and Pacua Dam Project in Chile is very controversial. Which side of this issue do you agree with? Write a paragraph of at least five sentences in which you justify your answer.
answered Oct 30, 2022
4 votes
157k views
HELP PLEASE DUE SOON!!!
answered Oct 18, 2022
5 votes
209k views
3 miles. 128 yards. Converted to feet
answered Jul 2, 2022
6 votes
161k views
When you measure a person’s weight, you are measuring the
answered May 25, 2022
9 votes
140k views
What was necessary to make children possible for the royal couple?
answered Mar 4, 2022
7 votes
128k views
Find the length of the boldest arc. Rounded answer to the nearest hundredth (use 3.14 for pie)​
answered Jan 30, 2022
3 votes
91.0k views
Describe a perfect student keep in mind in a perfect world
answered Jul 21, 2021
4 votes
63.5k views
Jill uses a magnet to pick up a nail. Then, she touches the nail to a paper clip and picks up the paper clip. What will most likely happen when she pulls the magnet away from the nail?
answered Jun 15, 2021
3 votes
223k views
An empty truck traveling at 10 km/h has kinetic energy. How much kinetic energy does it have when loaded so that its mass and its speed are both doubled?
answered Jun 8, 2021
6 votes
136k views
Your Overall grade is calculated by adding 35% of your Minor grade to 65% of your Major grade. If your Minor grade is 80 and your Major grade is 60. what would your overall grade be?
answered May 16, 2021
2 votes
138k views
As the temperature increases, the molecular motion of the molecules decreases and it becomes difficult to overcome the polar attractions. a. TRUE b. FALSE
answered May 12, 2021
3 votes
88.5k views
What is the missing leg length
answered Apr 8, 2021
4 votes
71.7k views
Which of the following is not a tip for a personal essay? A. Exaggerate accomplishments B. Observe guidelines for the length of the essay C. Submit original work D. Ensure that your essay has a focus.
answered Apr 1, 2021
2 votes
50.0k views
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