Recent activity by David Colwell

Recent activity by David Colwell

how many 4 digit numbers n have the property that the 3 digit number obtained by removing the leftmost digit is one ninth of n

answered Nov 1, 2023

1 answer 462k views

The United States has one of the lowest rates of cell phone usage in the industrialized world, at 85 cell phones per 100 people. (By contrast, Hong Kong has around 140 cell phones per 100 people.) If the

answered Sep 20, 2023

1 answer 501k views

Which statement best completes the diagram?

answered Sep 16, 2023

1 answer 503k views

The mental activity associated with remembering, thinking, and knowing is called.

asked Aug 8, 2023

1 answer 305k views

The College Board estimated the mean SAT score in 2016 was 1083 points with a standard deviation of 193 points. Assume the distribution of SAT scores is unknown and a sample classroom, with size n = 30,

asked Aug 8, 2023

1 answer 463k views

What is the volume of this aquarium

asked Jul 22, 2023

1 answer 382k views

Which of the following best describes the behaviors of a child that has autism?

asked May 9, 2023

2 answers 402k views

in the graph below line k,y = -x makes a 45 degree angle with the X and Y axes complete the following

answered Feb 20, 2023

1 answer 130k views

What contributed to economic recovery in the South and Southwest after World War II?

asked Feb 4, 2023

1 answer 14.4k views

What factors led to the annexation of hawaii in 1898

answered Dec 7, 2022

1 answer 69.7k views

In cellular respiration, the energy for most atp synthesis is supplied by:

asked Oct 23, 2022

1 answer 517k views

What is meant by the statement that a laser beam is coherent, mono-chromatic and parallel?

answered Sep 21, 2022

1 answer 90.3k views

The original cost of a pair of shoes is 850dhs. The store offers a markup of 30%. Find the retail price of pair of shoes.

asked Aug 19, 2022

1 answer 531k views

Discuss the belief that great literature of the twentieth century lacks protagonists who qualify as heroes. (Among the works you discuss, include at least two by the following authors: Anton Chekhov, Virginia

answered May 19, 2022

2 answers 147k views

An ant moves forward 18 1⁄2 inches in one hour. It turns around and crawls backward by 13.5 inches in the next hour. Finally, in the third hour, it turns around and again crawls 46/8 more inches.

answered Jan 5, 2022

1 answer 500k views

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