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The radioactive element carbon-14 decays to half its size approximately every 5700 years. Determine the remaining mass of 20 g of carbon-14 after 34,200 years. What is the remaining mass? (Round to the
asked
Dec 18, 2024
Chemistry
high-school
1
answer
4
votes
66.7k
views
24 Dead zones are areas found in the oceans and some large lakes where there is not enough oxygen to support life. Algae blooms occur when excess nutrients are introduced as pollutants from fertilizers,
asked
Oct 28, 2024
Biology
college
1
answer
2
votes
11.8k
views
What is the maximum amount that an individual can donate to a campaign for a state-level nonjudicial office?
asked
Oct 22, 2024
Social Studies
high-school
1
answer
2
votes
118k
views
How can you describe angle pair relationships and use these descriptions to find angle measures
asked
Jun 18, 2024
Mathematics
high-school
1
answer
5
votes
85.8k
views
What value of q is a solution to this equation? q +13= 20
asked
Mar 15, 2024
Mathematics
high-school
2
answers
2
votes
183k
views
Which ions flow through the postsynaptic ACh receptor? What is the result?
asked
Feb 28, 2024
Chemistry
high-school
1
answer
4
votes
41.8k
views
Serafina put a total of 42 cupcakes into packages. She put 6 cupcakes into each package. What is the total number of packages Serafina used for these cupcakes?
asked
Oct 13, 2023
Mathematics
high-school
1
answer
15
votes
69.7k
views
1. Solve A PQR. When working with triangles, the term 'solve' means to find all of the unknown sides and angles in the triangle. 25 cm 24 cm R
asked
Jul 21, 2023
Mathematics
college
1
answer
2
votes
228k
views
Where do the elements in the human body come from?.
asked
Jun 12, 2023
Biology
high-school
1
answer
5
votes
90.7k
views
Need help with this pls
asked
Jan 24, 2023
Mathematics
high-school
1
answer
5
votes
131k
views
mrs peele has 11 1/4 pounds of cookie dough a batch of cookies requires 2 1/2 of cookie dough how many batchesof cookie dough can mrs peele make
asked
Dec 9, 2022
Mathematics
high-school
1
answer
3
votes
87.0k
views
Which expressions are equal to 0 when x = -1? Check all that apply. 4(x + 1) (4 x + 5) 4(x - 1) (5 - 4x) 4(x - (-1)) (4 x + 5) 4 (X + (-1)) (4 x + 5) 4 (x + 1) (5 - 4x)
asked
Nov 28, 2022
Mathematics
high-school
1
answer
16
votes
18.3k
views
Math 3rd grade can someone explain easy for 3rd grade child thanks
asked
Nov 17, 2022
Mathematics
college
2
answers
1
vote
155k
views
A piece of ribbon is y cm long. Ashley cut it into 4 equal pieces to do sisters' hair. Write the expression for the amount of ribbon used for each sister. O y/4 Oy+4 O 4y Oy-4 Help plssss
asked
Oct 15, 2022
Mathematics
college
2
answers
11
votes
77.7k
views
Help if you’re good at GEOGRAPHY How did the Industrial Revolution affect people living in Europe? A. The population increased. B. The standard of living lowered for many people. C. The Industrial Revolution
asked
Aug 11, 2022
Geography
college
1
answer
1
vote
210k
views
What is the area of the circle? Use 3. 14 as an estimate for pi. A. 21.98 m2 B. 43.96 m2 C. 153.86 m2 D. 483.12 m2 E. 615.44 m2
asked
Jul 13, 2022
Mathematics
high-school
1
answer
12
votes
63.0k
views
The WRT Corporation makes collections on sales according to the following schedule: 25% in month of sale 65% in month following sale 5% in second month following sale 5% uncollectible The following sales
asked
May 20, 2022
Business
college
1
answer
4
votes
112k
views
Name ways humans impact our ecosystem.
asked
Apr 20, 2022
Biology
high-school
1
answer
1
vote
18.9k
views
Which expression is equivalent to 4 - (-7)
asked
Feb 24, 2022
Mathematics
high-school
1
answer
4
votes
23.7k
views
Need help 19 to 21 spanish
asked
Jan 23, 2022
Spanish
high-school
1
answer
5
votes
113k
views
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