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A rock sample has 25% of its original radioactive element and the half-life of the element is 1 million years. How old is the sample? A.)2 Million Years B.)0 1 Million Years C.)500.000 D.)50,000
answered
Mar 16, 2022
Biology
high-school
4
votes
92.2k
views
What tissue is this
answered
Jan 31, 2022
Biology
high-school
2
votes
43.9k
views
PLSS HELP I NEED THIS
answered
Nov 16, 2021
Mathematics
college
4
votes
164k
views
Plz help and explain. Cara was using her calculator to solve a problem. The answer that displayed was 1.6E+12. She knows that she entered all the numbers correctly. Why did the calculator give her the
answered
Oct 7, 2021
Mathematics
high-school
3
votes
159k
views
Can someone help me with my warmup ? Will greatly appreciate it !
answered
Oct 3, 2021
Mathematics
high-school
2
votes
175k
views
What Are Typical Behaviors? How You Knowing Them Helps You Care For Children Effectively?
answered
Jun 8, 2021
Health
high-school
4
votes
203k
views
What helps to break down the chemicals in the food
answered
Jun 3, 2021
Health
high-school
5
votes
215k
views
What do you do when you enlist
answered
May 4, 2021
History
high-school
4
votes
161k
views
The following bar graph shows the population of bacteria under different temperature ranges. 10 20 30 40 50 Temperature range ("C) What can be concluded about the bacteria from reading this graph? A They
answered
Mar 27, 2021
Chemistry
high-school
4
votes
49.2k
views
Fiber optics are an important part of our modern internet. In these fibers, two different glasses are used to confine the light by total internal reflection at the critical angle for the interface between
answered
Mar 9, 2021
Physics
college
4
votes
5.9k
views
At the library, you find 9 books on a certain topic. The librarian tells you that 55% of the books of this topic have been signed out. How many books does the library have on this topic?
answered
Mar 2, 2021
Mathematics
high-school
1
vote
171k
views
Why did Japan choose a “surprise” attack instead of formally declaring war?
answered
Feb 24, 2021
Social Studies
middle-school
5
votes
57.5k
views
PLEASE HURRY I'M BEING TIMED!!!!!!!!!!!!! Which of the following statements is FALSE? a. The Frontier Wars were fought among white settlers, the American government, and Native Americans. b. Civil War
answered
Feb 21, 2021
History
high-school
4
votes
187k
views
What is the capital of Kentucky?
answered
Feb 13, 2021
English
college
6
votes
176k
views
Which graph represents y=^3 square x+2?
answered
Jan 4, 2021
Mathematics
middle-school
5
votes
179k
views
In Ramon Company, Treasury Stock increased $20,000 from a cash purchase, and Retained Earnings increased $80,000 as a result of net income of $120,000 and cash dividends paid of $40,000. Net cash used
answered
Nov 18, 2020
Business
high-school
2
votes
213k
views
The area of a rectangular window is 6525cm2. If the length of the window is 87cm, what is its width?
answered
Jun 16, 2020
Mathematics
middle-school
4
votes
110k
views
Can anyone help me make sense out of this? tap picture to see whole question
answered
Mar 4, 2020
Mathematics
middle-school
3
votes
146k
views
While a block slides forward 1.35 m, a force pulls back at a 135 direction, doing -17.8 J of work. what is the magnitude of the force?(unit=N)PLEASE HELP
answered
Feb 1, 2020
Physics
high-school
3
votes
203k
views
A rectangular swimming pool has an area of (70x+10) square feet. Find possible dimensions of the pool.
answered
Jan 19, 2020
Mathematics
middle-school
4
votes
161k
views
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