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A radioisotope cobalt-60 with a half-life of 5.3 years has an activity of 12,400 cpm. How much time has passed if the activity of the sample has dropped to 775 cpm?
answered Nov 6, 2024
2 votes
160k views
Jeremy has heard a lot of people in the club talking about tackling a 950-foot rock formation. Jeremy has set a limit that they won't climb anything that takes longer than 7 hours, so they have enough
answered Nov 1, 2024
5 votes
97.7k views
An inductor with an inductance of 2.30 H and a resistance of 8.00 Ω is connected to a battery with an EMF of 6.50 V and negligible internal resistance. What is the current flowing through the circuit?
answered Sep 22, 2024
5 votes
123k views
Number of Li atoms in 4.5 mol of Li
answered Aug 20, 2024
0 votes
163k views
Use Pascal's triangle to expand (x² - 3y)⁴(x - 3y)⁴ a) x⁸ - 12x⁶y + 54x⁴y² - 81x²y³ + 27y⁴ b) x⁸ - 24x⁶y + 108x⁴y² - 162x²y³ + 81y⁴ c) x⁸ - 18x⁶y + 81x⁴y² - 121x²y³ + 64y⁴ d) x⁸ - 16x⁶y + 72x⁴y² - 108x²y³
answered Aug 3, 2024
0 votes
142k views
Find the probability that a randomly selected point within the large square falls in the red-shaded square.
answered Jul 18, 2024
5 votes
178k views
Iron deficiency in children is likely to result from a diet that overemphasizes a. milk. b. cereals. c. vegetables. d. dried beans.
answered May 28, 2024
2 votes
63.5k views
What is the primary goal of the Assessment phase of the Nursing Process? 1. Build trust 2. Collect data 3. Establish goals 4. Validate the medical diagnosis
answered May 1, 2024
4 votes
118k views
Brendon is the head coach of a college hockey team. His annual salary is $58,310. Calculate the gross pay on his bi-weekly paycheck.
answered Apr 15, 2024
2 votes
203k views
Y=2x + 9 3x + 2y = 4
answered Mar 17, 2023
4 votes
43.6k views
Prokaryotes divide by binary fission, a form of asexual reproduction in which?
answered Mar 13, 2023
2 votes
135k views
3С2- N1In the similaritytransformation of ABCto ADEF, AABC was dilated bya scale factor of [?], reflected3 across the [ ], and movedthrough the translation [ ].BA-7-6 -5-4-3-2-1 012.+EmeD2 3FA. 2TheyB.
answered Feb 25, 2023
1 vote
202k views
What’s the difference between what made you think that and what makes you think that? and which one is best to say?
answered Jan 12, 2023
5 votes
67.2k views
1 14. In the last half of the 1800s, which development led to the other three? A expansion of the middle class B growth of industrialization C formation of trusts D creation of labor unions
answered Dec 24, 2022
11 votes
52.2k views
Im being timed so uhh help please
answered Sep 30, 2022
4 votes
39.5k views
Which letter has line symmetry? S C P Q
answered Sep 2, 2022
12 votes
214k views
What are some facts about censorship i need these thanks
answered Aug 29, 2022
10 votes
154k views
Am I suppose to substitute the variables with random numbers in order to answer these questions??? Translation A maps (x, y) to (x + n, y + 1). Translation B maps (x, y) to (x +s, y + m). 1. Translate
answered Aug 22, 2022
1 vote
3.1k views
Explain how you could use the line y = x to verify the inverse of the relation
answered Aug 14, 2022
9 votes
196k views
Explain how you could use the line y = x to verify the inverse of the relation
answered Aug 14, 2022
9 votes
196k views
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