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A radioisotope has a half-life of 12 hours. How much of an original 250 nanograms sample will remain after 72 hours? a) 2.6 nanograms b) 3.9 nanograms c) 5.7 nanograms d) 8.2 nanograms

answered Dec 26, 2024

1 answer 218k views

Andrea is selling boxes of cookies door-to-door. On her first day, she sells 12 boxes of cookies, and she intends to sell 5 more boxes per day than on the day previous. If she meets her goal and sells

answered Oct 26, 2024

1 answer 56.6k views

In EXCEL, you can sum a large range of data by simply selecting a tool button called _____? A) Average. B) Max. C) Sum. D) Count.

asked Oct 16, 2024

1 answer 85.7k views

After using an electrode from the high frequency machine it should be..........

answered Oct 3, 2024

1 answer 7.3k views

The sides of a regular hexagon are equal in length. The perimeter of the hexagon is at most 24 inches. Find the possible side lengths of the hexagon. Let the lengths of the sides be x.

asked Sep 13, 2024

1 answer 172k views

the spreadsheet linked above contains various housing and economic data for all states.what is the standard deviation of the average outstanding mortgage amounts for states in the northeast?round to two

asked Aug 24, 2024

1 answer 195k views

teaching kids compassion and kindness improves their academic performance and helps them do better in class. why?

asked Aug 19, 2024

1 answer 185k views

What is the relationship between isomeric transition and internal conversion? A) Isomeric transition is a type of internal conversion. B) Internal conversion is a type of isomeric transition. C) Isomeric

answered Jul 16, 2024

1 answer 76.7k views

A method is O(Nlog₂N). It takes 10 seconds for the method to run when N = 1,000,000. What is the expected time for the method to run when N = 4,000,000? (Please label and explain steps for clarity)

answered Jul 2, 2024

1 answer 6.4k views

Q1. Explain in detail how you would segment the market and identify a target market for university cafeteria. Q2. Discuss how firms can lower costs for their customers without changing the 'cedi price'

asked Jun 8, 2024

1 answer 225k views

Describe what can happen to the three-carbon molecules made in the Calvin cycle

answered May 15, 2024

1 answer 137k views

Within the data set Furn.Bookcase, the variable Finish contains values such as ash, cherry, teak, and matte-black. Which of the following creates a subset of the data in which the values of Finish contain

asked May 8, 2024

1 answer 72.7k views

3. How does the repetition of "if" most contribute to the poem's overall meaning? Rudyard Kipling (1865-1939) was an English short story writer, poet, and novelist, best known for The Jungle Book. Kipling

asked Apr 21, 2024

1 answer 6.4k views

How do statistics focusing on farm labor and crop yield disguise the inefficiencies of the industrial food system? a) By highlighting productivity gains b) By underestimating labor costs c) By excluding

asked Mar 8, 2024

1 answer 171k views

When contacted by Petroleum or dispatch how do you provide tank inventory levels from the Environmental management console (EMC)? 1) Press 'Print', ask if they want volume or ullage-100 2) Press 'Print

asked Mar 7, 2024

1 answer 184k views

Is 2 1/3 irrational or rational ?

answered Feb 14, 2024

2 answers 85.5k views

Who was the one man the poet talking about this is from when you are old lesson

answered Nov 25, 2023

1 answer 201k views

"the guidelines of the section" this means to graph and then state where the inflection points, critical points, concave up and down points, etc are#36

asked Oct 6, 2023

1 answer 42.4k views

NH3 + H2O → NH4+ + OH- What type of chemical reaction is this?

asked Sep 17, 2023

2 answers 221k views

Write in two sentences "its one oclock" and"its three oclock" .in spanish

asked Aug 18, 2023

2 answers 39.9k views

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