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Consider the following data and then calculate the half-life for this particular isotope: Time Activity (cpm) 0 days 320,000 40 days 216,100 100 days 120,000 (A) 35.2 days. (B) 75.6 days. (C) 70.6 days.
answered
Jan 11, 2022
Business
college
4
votes
61.6k
views
Line segment AB measures 18 units. A number line with no numbers. A closed circle above the line is labeled A. A closed circle nine notches down the line is labeled B. The space between point A and the
answered
Oct 17, 2021
Mathematics
high-school
5
votes
74.1k
views
Why do people give in to negative peer pressure?
answered
Oct 12, 2021
Health
college
2
votes
150k
views
Which of the following groups represented supporters of the Free-Soil Party
answered
Sep 25, 2021
Social Studies
middle-school
4
votes
27.4k
views
Someone pls help:) Find the equivalent expressions for (x+7) (x+1)
answered
May 26, 2021
Mathematics
high-school
5
votes
104k
views
Solve the formula c = pi d for d A. d = pi c B. d = c/pi C. d = c - pi D. d = pi/c
answered
May 7, 2021
Mathematics
middle-school
5
votes
185k
views
Can someone help me with this question
answered
Apr 16, 2021
Mathematics
college
2
votes
69.7k
views
What is the main purpose of the department of social services
answered
Apr 11, 2021
Law
high-school
5
votes
191k
views
What is the product of 2x -5 and 3x^2 + 5x - 7? Write your answer in standard form. A. Show your work. B. Is the product of 2x -5 and 3x^2 + 5x -7 equal to the product of 5x - 2 and 3x^2 + 5x - 7? Explain
answered
Apr 9, 2021
Mathematics
college
7
votes
7.5k
views
Answer the following: 5 x (2)³
answered
Mar 15, 2021
Mathematics
middle-school
1
vote
5.4k
views
PLEASE HELP WITH MATH! 25 POINTS ON THE LINE! Mr. Baumbach plans to leave his estate to four charities. One charity gets 1/4 of his estate, the second gets 1/16, and the third gets 3/8. How much does the
answered
Oct 9, 2020
Mathematics
middle-school
6
votes
153k
views
Blind Lemon Jefferson and Blind Blake never received any of the revenue that their music generated. A. True B. False
answered
Aug 2, 2020
Arts
middle-school
4
votes
39.4k
views
When, and what was V-E day?
answered
May 3, 2020
History
middle-school
5
votes
228k
views
X-4y=-4; x=2,4,6. solve for y, then find the value of y for each value of x
answered
Jan 8, 2020
Mathematics
middle-school
5
votes
171k
views
Mara and osman believe that they are the spokespersons for their team, and all the other team members are incapable of coming up with any plans on their own. as a result, they do not allow any other team
answered
Jan 2, 2020
Social Studies
high-school
5
votes
85.8k
views
Simplify. 17y(2) 19y 172y 34y 19 + y
answered
Nov 5, 2019
Mathematics
high-school
4
votes
26.2k
views
Physics Help Please!!! All multiple choice! 1.) Does an object moving in uniform circular motion have constant centripetal acceleration? True or False 2.) How do the angular velocities of three knots on
answered
Apr 21, 2019
Physics
high-school
6
votes
5.3k
views
radical republicans in Congress opposed President Lincoln's plan for reconstruction because they thought it was too
answered
Mar 5, 2019
History
college
3
votes
96.1k
views
How do I find the probability of A.
answered
Oct 15, 2018
Mathematics
middle-school
7
votes
104k
views
Berniece earns $134 each day she works. Every day she spends $8 on breakfast and $12 on lunch. How much money will she have in 25 days? 50 days?
answered
Jul 8, 2018
Mathematics
middle-school
7
votes
188k
views
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