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Suppose that the half-life of a certain substance is 14 minutes. At 9:30 a.m., 500 mg of the substance is present. How many milligrams of the substance has decayed by 10:05 a.m.? A) 125 mg B) 250 mg C)
answered
Oct 10, 2024
Chemistry
high-school
6
votes
15.4k
views
A 5-kg object is sliding to the right and encountering a friction force that slows it down. The coefficient of friction between the object and the surface is 0.1. Determine the force of gravity, the normal
answered
Aug 2, 2024
Physics
high-school
3
votes
42.0k
views
briefly explain how the human body maintains the regulation of waste products (gasses, liquids and solids) and eliminates them from the body.
answered
Jun 14, 2024
Health
college
4
votes
102k
views
Clearance lights are required for vehicles that are wider than: a) 2.6 meters b) 2.8 meters c) 3.0 meters d) 3.2 meters
answered
May 28, 2024
Engineering
college
5
votes
194k
views
The Hoover Dam was built to control flooding on the Mississippi River.
answered
May 8, 2024
Geography
high-school
0
votes
23.9k
views
How are the characters and events of 'Flowers for Algernon' similar to the characters and events of the excerpts from 'Frankenstein'? A) Both explore the theme of scientific experimentation. B) Both involve
answered
Jan 18, 2024
English
high-school
3
votes
17.1k
views
PLEASE PLEASE PLEASE!!!!!!!!!!HELP HELP HELP HELP HELP HELP!!!! IM CRYING IM STUCK
answered
Nov 16, 2023
Mathematics
college
4
votes
142k
views
18 is 40% of what number? Enter your answer in the box.
answered
Aug 31, 2023
Mathematics
college
12
votes
170k
views
This event took place in western Hemisphere from July 26 1953, January 1, 1959 resulting in the overthrow of Fulgencio Batista and the creation of a communist government.
answered
Feb 26, 2023
Social Studies
college
9
votes
110k
views
What is the role of gravity in maintaining the atmospheric layer around Earth?
answered
Dec 9, 2022
Geography
high-school
5
votes
147k
views
Anyone know how to do this??
answered
Nov 22, 2022
Mathematics
high-school
3
votes
153k
views
The diameter of a hula hoop is 36 inches. Find the area enclosed by the hoop in sq. inches.
answered
Nov 19, 2022
Mathematics
high-school
4
votes
230k
views
SOMEONE HELP IM STUCK PLEASE HURRY
answered
Nov 14, 2022
Mathematics
college
8
votes
11.4k
views
if alyssa plans to run 7/8 mile on a trail at one point she sees that she is at mile maker 0.3 How much farther does she have to run
answered
Jul 28, 2022
Mathematics
high-school
5
votes
136k
views
17x+12=54-4x=6(5x-4x)
answered
Feb 13, 2022
Mathematics
high-school
4
votes
33.0k
views
Please help me with these
answered
Dec 21, 2021
Physics
middle-school
5
votes
55.9k
views
13. Contrast endothermic and exothermic reactions (Unit 1).
answered
Nov 13, 2021
Social Studies
middle-school
3
votes
154k
views
Examples of factor of land
answered
Oct 18, 2021
Geography
college
3
votes
2.7k
views
Click to see the full picture please help I don’t get this
answered
Sep 9, 2021
Mathematics
high-school
7
votes
183k
views
BTC, a consulting company with offices across the United States, began an employee discussion forum on its website. A few employees began criticizing the company on the forum and undermining its morale.
answered
Aug 23, 2021
Business
college
5
votes
67.7k
views
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