Recent activity by Donna

Recent activity by Donna

What is the net charge on the amino acid glycine at pH 7? at pH 12?

asked Nov 15, 2023

1 answer 78.1k views

There are 8 books on a shelf. If 3 books are chosen at random, how many different groups of3 books could be chosen? Determine if it is permutation or combination then solve.B). 28A). 19C). 56D). 65

asked Oct 26, 2023

2 answers 199k views

In a class of 90 students, the ratio of boys and girls is 4:5 Find the number of boys and girls

asked Jul 5, 2023

2 answers 130k views

Can someone help me with this

answered Jun 11, 2023

1 answer 27.1k views

A bag of M&M's has 2 red, 3 green, 8 blue, and 6 yellow M&M's. What is the probability of randomly picking: (Round to 4 decimal places)

answered Apr 17, 2023

1 answer 107k views

3 90/100+ 58/100 what is the answer?

asked Mar 1, 2023

1 answer 46.7k views

PLEASE HELP ME!! Determine which of the listed electronic formulas correspond to the ground state and which to the excited state of the atom. Recognize which chemical element these configurations belong

answered Feb 4, 2023

2 answers 66.6k views

Find the value of x that will make A parallel to B 6 8 and 10

answered Jan 31, 2023

1 answer 23.5k views

The mean temperature for the first 7 days in January was 4 °C. The temperature on the 8th day was -1 °C. What is the mean temperature for the first 8 days in January?

answered Jan 29, 2023

1 answer 39.7k views

PLZ VERY QUICK The Mystery of Loch Ness By Kayden Mitchell Of all the mysteries in the world, none has been as popular as that of the Loch Ness Monster. Perhaps the biggest mystery is whether it is convincing

answered Nov 16, 2022

2 answers 128k views

The United States Army forced the Seminoles to Text to speech a.build railroads. b. grow cotton crops. c. give up their land. d. form their own schools.

asked Oct 19, 2022

1 answer 109k views

What is the kinetic energy of a bike with a mass of 16 kg traveling at 4m/s

answered Oct 2, 2022

1 answer 89.6k views

Charlotte and Edgar's ages add up to 22. Charlotte is one year older than twice Edgar's age. How old are Charlotte and Edgar? Show all of your work and/or reasoning.

answered Sep 20, 2022

1 answer 211k views

30 points HELPPPPPPPPPPPPP

answered Aug 23, 2022

2 answers 34.7k views

if the slopes of two lines are opposite reciprocals of each other, then what can be said about the lines?

answered Jul 29, 2022

2 answers 154k views

Round 34 1/8 to the nearst whole number

asked Jul 3, 2022

2 answers 132k views

Math Easy 15 points for my lil brother

asked Jun 3, 2022

2 answers 173k views

Does anyone know how to make a astronaut hop while using loop?

asked May 5, 2022

1 answer 56.0k views

Help me !!!! Pleaseee!!

asked Apr 12, 2022

2 answers 113k views

Please helppppppppppp

answered Mar 28, 2022

2 answers 200k views

Search QAmmunity.org