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a small asteroid crashes to earth. after chemical analysis, it is found to contain 1 g of technetium-99 to every 3 g of ruthenium-99, its daughter isotope. if the half-life of technetium-99 is 210,000
asked
Nov 5, 2024
Chemistry
high-school
1
answer
4
votes
96.5k
views
One of the tree wings has a diameter of 8 in. what is the circumference of the trees ring?
asked
Oct 21, 2024
Mathematics
high-school
1
answer
2
votes
155k
views
Balance the following equation by choosing the correct coefficient for R, S, T and Y. R C_2H_2 (g) + S O_2 (g) ⟶⟶ T CO_2 (g) + Y H_2O (g) R= S= T=4 Y= A. R=1, S=3, T=4, Y=2 B. R=2, S=5, T=4, Y=4 C. R=3,
asked
Oct 8, 2024
Chemistry
high-school
1
answer
5
votes
215k
views
Determine the measure of Z2-18° A. m2 = 168 B. m2 = 172° C. m22 = 162° D. m22 = 136°
asked
Jun 15, 2024
Mathematics
high-school
1
answer
3
votes
83.7k
views
Cam Jones from Goal Guys says that canceling student loan debt would increase the U.S. GDP. How would the Foundation for Economic Education (FEE) respond to this?
asked
Apr 25, 2024
Social Studies
high-school
1
answer
4
votes
111k
views
Evaluate the expression. Write your answer in scientific notation.(9×10^−3)+(2.4×10^−5) ÷ 0.0012The answer is 2.9 times 10^-2 I just don't know how to get that.
asked
Sep 13, 2023
Mathematics
college
1
answer
3
votes
150k
views
Suppose that you have a series of payments $100 in year 1.
asked
Jun 14, 2023
SAT
high-school
1
answer
20
votes
126k
views
X/7 ≥ -6 please help me solve for x
asked
Apr 28, 2023
Mathematics
college
1
answer
14
votes
206k
views
Evaluate the expression.If x=12, y=8, and z=3x3 + y + z3
asked
Jan 14, 2023
Mathematics
college
1
answer
1
vote
4.4k
views
How did wade-ins organized by civil rights activists in St. Augustine affect Florida? Led to the desegregation of buses in town, Led to the desegregation of lunch counters, Led to the desegregation of
asked
Jul 10, 2022
Social Studies
college
1
answer
1
vote
35.4k
views
Although no images or representational art adorn the insides of mosques, one might see golden embossed or embroidered calligraphy or paintings of _______________ to emphasize their power and make them
asked
May 9, 2022
Arts
college
1
answer
18
votes
116k
views
Why were woman during the Great Depression isolated to a limited job field ?
asked
Jan 27, 2022
History
college
1
answer
5
votes
39.7k
views
Simplify 5(b – 4) + 12 and do a step by step
asked
Dec 16, 2021
Mathematics
high-school
1
answer
4
votes
212k
views
NEED NOW ❗️ 17. Marcus Whitman chose a site among the Cayuse, far from the Nez Perce who requested his services. Analyze how Marcus Whitman's selection of the Waiilatpu mission site revealed something
asked
Oct 11, 2021
History
middle-school
2
answers
3
votes
72.0k
views
Samantha is testing the probability of multiple coin flips, and she expects the probability of flipping heads three times in a row to be 12.5%. In this situation, what is 12.5% considered? A: theoretical
asked
Oct 10, 2021
Mathematics
high-school
1
answer
0
votes
107k
views
In a atom the first energy level can hold electrons
asked
Oct 5, 2021
Chemistry
college
2
answers
5
votes
20.9k
views
Paragraph: sea captains looked at the night sky as they sailed on the ocean they needed to know which way was north. There is one star that is always true north. It’s called the North Star. It guided sailors
asked
May 12, 2021
English
middle-school
2
answers
2
votes
206k
views
Is anyone else excited for sephiroth (I think I spelt it wrong) in smash. And if you arn't are you excited for christmas
asked
May 4, 2021
Computers and Technology
high-school
2
answers
3
votes
97.7k
views
Which of the following are advantages of property ownership for males in the colonies?
asked
Oct 18, 2020
History
middle-school
1
answer
2
votes
226k
views
What is the name of a reference tool that is produced by chemical manufacturers that provides information on the chemical identify of the hazardous material, its known acute and chronic effects, and exposure
asked
Nov 18, 2019
Health
college
1
answer
3
votes
86.0k
views
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