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A sample originally contained 1.28 g of a radioisotope. It now contains 1.12 g of its daughter isotope. How many half-lives have passed since the sample originally formed?
answered
Dec 9, 2021
Chemistry
college
3
votes
119k
views
Serena is the CEO of Pedalo Inc., a publicly traded company. The shareholders want Serena on the board of directors despite her recent appointment as the CEO. This decision of the shareholders is most
answered
Nov 15, 2021
Business
high-school
5
votes
223k
views
Choose the coordination option that correctly joins the two sentences below: St. Augustine, Florida, was founded in 1513. Jamestown, Virginia, was founded in 1602.
answered
Nov 10, 2021
English
college
4
votes
19.2k
views
What is most likely true about the population of 250 grandparents? More grandparents prefer using a hard copy than a digital copy. SAMPLE RESULTS DO YOU PREFER TO READ A HARD COPY OR A DIGITAL COPY WHEN
answered
Sep 14, 2021
Mathematics
college
1
vote
230k
views
Explain the CAUSES and EFFECTS of erosion and deposition.
answered
Jun 26, 2021
History
high-school
3
votes
161k
views
Seja a função real dada por f(x)=4x-9. Calcule f(6) - f(5). ( ) 4 ( ) 1 ( ) 2 ( ) -4 ( ) -1
answered
May 30, 2021
Mathematics
college
3
votes
164k
views
Whenever Richard Cory went down town, We people on the pavement looked at him: He was a gentleman from sole to crown, Clean favored, and imperially slim. (5) And he was always quietly arrayed, And he was
answered
Apr 17, 2021
English
high-school
4
votes
164k
views
#NAME?
answered
Mar 30, 2021
Geography
college
3
votes
211k
views
Three of the expressions will give the amount that remains after t years of a certain radioactive substance. Which expression is NOT equivalent to the others? A) 270^−0.0577t B) 270(1/2^)t/12 C) 270(0.
answered
Mar 13, 2021
Mathematics
high-school
1
vote
181k
views
E DNA is composed of repeating structural units called T . is the five-carbon sugar found in DNA.
answered
Mar 11, 2021
Biology
middle-school
2
votes
96.7k
views
Angela uses 2/3 cup of strawberries to make 5/6 of a liter of smoothie. What is the unit rate in cups of strawberries per liter of smoothie?
answered
Feb 16, 2021
Mathematics
high-school
1
vote
36.6k
views
During which two decades of the 1900's was the threat of nuclear war the greatest?
answered
Feb 15, 2021
Social Studies
high-school
2
votes
110k
views
Casey buys a bracelet. She pays for the bracelet and pays $ 0.72 $0.72dollar sign, 0, point, 72 in sales tax. The sales tax rate is 6 % 6%6, percent.
answered
Jan 29, 2021
Mathematics
college
1
vote
52.7k
views
What is the correct radical form of this expression?
answered
Jan 22, 2021
Mathematics
middle-school
5
votes
114k
views
If g(x) is the inverse of f(x), what is the value of f(g(2))?
answered
Aug 9, 2020
Mathematics
middle-school
0
votes
196k
views
What is difference between actual parameters and formal parameters in java?
answered
Jun 12, 2020
Computers and Technology
middle-school
5
votes
84.5k
views
More than 200 years later, Albert A. Michelson sent a beam of light from a revolving mirror to a stationary mirror 15 km away. Show that the time interval between light leaving and returning to the revolving
answered
Feb 23, 2020
Physics
high-school
3
votes
101k
views
As a result of the Holocaust during world war II, the united nations designated a jewish homeland that became what country? (A). Iran (B). Israel (C). Jerusalem (D). Palestine I looked around and everyone
answered
Jan 13, 2020
History
middle-school
2
votes
90.0k
views
The domain of the function in interval notation is
answered
Oct 27, 2019
Mathematics
middle-school
2
votes
184k
views
What is the TOTAL SURFACE AREA of the square pyramid in square inches?
answered
May 20, 2019
Mathematics
middle-school
4
votes
25.5k
views
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