Recent activity by Paul Richards

Recent activity by Paul Richards

A 40 gram sample of a substance that's used for drug research has a k-value of 0.1472. N = Noe -kt No = initial mass (at time t = 0) N = mass at time t k = a positive constant that depends on the substance

answered Dec 24, 2023

1 answer 120k views

4 ft✓14 ft6 ft15 ftFind the perimeter of the region that is NOT shaded.ive58 ftng29 ftd Othero50 ftNets and39 ftd Planes

asked Aug 21, 2023

1 answer 170k views

Which of these was not a result of cell phones?

answered Jun 11, 2023

1 answer 14.5k views

A bag has 5 red marbles, 4 blue marbles, 8 green marbles, and 3 yellow marbles. What percentage of the marbles are green? 1 poi

asked May 23, 2023

1 answer 48.1k views

Hour to the 39 It took Jerry 3 hours to get to his grandmother's house. He walked for train station, rode on a train for 14 hours, and then took a bus. How much time did Jerry spend riding on the bus?

asked May 13, 2023

2 answers 18.0k views

Please select the word from the list that best fits the definition Bends light to make objects look larger cells microscope cell theory

asked Apr 20, 2023

1 answer 234k views

You charge your cell phone every night while you are sleeping. Throughout the school day you see your cell phone battery slowly decline. By lunchtime your cell phone is almost dead. You remember in science

asked Apr 17, 2023

1 answer 93.6k views

3. What is the best description of an isosceles triangle? a triangle with a right angle a triangle with all equal sides a triangle with no equal sides a triangle with two equal sides

asked Mar 19, 2023

1 answer 53.9k views

Justin recently drove to visit his parents who live 270 miles away. On his way there his average speed was 11 miles per hour faster than on his way home (he ran into some bad weather). If Justin spent

asked Feb 27, 2023

1 answer 143k views

Please help me figure this out

asked Nov 23, 2022

1 answer 198k views

Show your work on paper. (Include properties) 80 points!!!

answered Oct 19, 2022

1 answer 129k views

Hi, can you please help me with this please? thanks

asked Sep 13, 2022

1 answer 111k views

Why do you fall forward when you stub your toe on a chair? Explain in terms.

asked Sep 6, 2022

1 answer 204k views

Bob is the vice-president of a medium sized company in a suburb of Seattle. He has two new cars, a large home with a sauna, new clothes, and takes many trips with his family. He also carries $21,000 of

answered Jul 10, 2022

1 answer 71.4k views

X * 3 < 5 solve for x

answered Jun 17, 2022

1 answer 209k views

I feel bad for people who don't know about this site and suffer with thier homework's

answered Jun 8, 2022

2 answers 178k views

What is the mass, in grams, of one mole of any substance known as? A. atomic mass B. molar mass C. molecular weight D. atomic number

answered Apr 25, 2022

2 answers 229k views

The amount of interest accrued on a $7,000 loan with 6% interest after t years.

answered Apr 19, 2022

1 answer 202k views

If f(x) =x^2-x , then evaluate f(a-4)

asked Apr 17, 2022

2 answers 130k views

How to figure out the equation for this graph?

answered Mar 25, 2022

1 answer 36.0k views

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