Questions by Jon Tan

Questions by Jon Tan

Question: Carbon-11 has a half-life of about 20 minutes. If we start with 200 grams, how much will be left after 3 hours? A. 25 grams B. 2.5 grams C. 0.39 grams D. 0.039 grams

asked Dec 26, 2021

1 answer

5 votes

70.6k views

Where was the Sumerian civilization located? A. Egypt B. Greece C. Anatolia D. Mesopotamia Please select the best answer from the choices provided QA ОВ С D

asked Dec 20, 2021

1 answer

4 votes

72.8k views

3m-10 when m= -3 pls explain

asked Dec 1, 2021

2 answers

2 votes

203k views

Write the equation of a line in slope-intercept form that is perpendicular to the given line and passes through the point (-9,-17). Y=9x-4

asked Nov 11, 2021

2 answers

1 vote

179k views

Need help with the sticks i dont get it

asked Sep 7, 2021

1 answer

4 votes

132k views

The modern democracy is popularly associated which (a) Russia (b)America (c) Britain (d) Germany .

asked Aug 22, 2021

1 answer

3 votes

51.4k views

Which of the following lags associated with fiscal policy are expected to be alleviated by automatic stabilizers such as unemployment benefits? A. recognition lags B. implementation lags C. impact lags

asked Aug 21, 2021

1 answer

2 votes

74.4k views

A large rectangular swimming pool is 1,000 feet long, 100 feet wide, and 10 feet deep. The pool is filled to the top with water. What is the area of the surface of the water in the pool?

asked Apr 9, 2021

1 answer

4 votes

53.6k views

Why do you think it was impossible for Columbus to make his voyage before 1492

asked Feb 6, 2021

1 answer

0 votes

234k views

A 1.2 kg block sliding on a horizontal frictionless surface is attached to a horizontal spring with k =480 N/m. Let x be the displacement of the block from the position at which the spring is upstretched.

asked May 24, 2020

2 answers

3 votes

191k views

I'm a tiny spot in the northern sky, Deeply exposed as ten days went by. I have very few stars, but contain So many dots to boggle the brain! Some of those dots are so far away! Scientists studied me,

asked Apr 8, 2020

1 answer

5 votes

34.5k views

Just as the unit describes many amazing ecosystem creatures, Gallo also shares some incredible species that were observed at the bottom of the ocean. Briefly describe several of the creatures or discoveries

asked Jan 8, 2020

1 answer

0 votes

85.9k views

A. describe what is meant by the terms genetic vulnerability and cognitive vulnerability (4 pts)

asked Dec 9, 2019

1 answer

1 vote

218k views

"what would happen to a cell if it did not contain any lysosomes (or if its lysosomes were not functioning)? would the cell be able to survive?"

asked Sep 16, 2019

1 answer

3 votes

140k views

What proposals might a Republican business owner want included in the Republican Party platform?

asked Sep 4, 2019

1 answer

1 vote

101k views

Toll roads" and other "user fees" are often used by governments because

asked Sep 17, 2018

2 answers

4 votes

234k views

Which is the best method of avoiding peer pressure to enage in inappropriate sexual activity? A. Quietly say no and explain why it goes against your values. B. Break up with your partner if he or she suggest

asked Aug 8, 2018

1 answer

5 votes

153k views

Who does Mrs frank forbid Anne to go upstairs with peter?

asked May 15, 2018

1 answer

2 votes

14.7k views

What is the rationale behind having workplace laws that apply only to teens?

asked Jan 28, 2017

2 answers

1 vote

226k views

Evaluate each expression 9 cubed

asked Jan 20, 2016

2 answers

4 votes

154k views

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