Recent activity by Dave Hein

Question

A fictitious element X is composed of 10.0 percent at 24.3 amu, 20.0 percent at 25 amu, and 70.0 percent at 25.5 amu. Calculate the average atomic mass of element X.

asked Dec 27, 2024

1 answer 169k views

Which equation represents a line which is perpendicular to the line y= -1/2x - 7? a. 2x + y = 2 c. x - 2y = 6 b.y - 2x = 4 d. x + 2y = -8 (GIVING 100 POINTS!)

asked Dec 4, 2024

2 answers 50.8k views

Jamie Lee and Ross, now 57 and still very active, have plenty of time on their hands now that the triplets are away at college. They both realized that time has just flown by; over twenty-four years have

answered Nov 20, 2024

1 answer 196k views

Biostat tests - As disease prevalence increases, _____ increases. As disease prevalence decreases, ____ increases.

asked Aug 21, 2024

1 answer 23.0k views

IFR Fl290 to FL600 cruising altitudes non RVSM A) 120 knots B) 180 knots C) 250 knots D) 320 knots

asked Aug 20, 2024

1 answer 130k views

The difference between the setpoint temperature and the conditioned temperature is known as A. margin. B. offset. C. gap. D. error.

answered Aug 16, 2024

1 answer 59.8k views

Where is the strongest example of ethos located in the monologue

answered Jul 31, 2024

1 answer 219k views

What did the Salem witch trials reveal about the social atmosphere of the Massachusetts colony? a) The trials revealed a deep-seated fear of witchcraft and the supernatural. b) The trials demonstrated

answered Jul 13, 2024

1 answer 186k views

How does the author use rhetoric in the paragraph to advance the purpose of the text?

answered Jul 7, 2024

1 answer 228k views

1. Differentiate between the phases of viral replication in bacteria and animals. 2. Discuss ways of culturing viruses. 3. Name four helminths and site examples of each. 4. Discuss the principle and

answered Jun 28, 2024

1 answer 142k views

Struct Book { string author; ]string title; int edition; }; Write statement(s) to create a Book type variable named fiction to store the 1st edition of George Orwell's famous novel titled 1984.

answered May 28, 2024

1 answer 216k views

China was unique in the ancient world in the extent to which a. slave holding defined the society. b. its social organization was shaped by the actions of the state. c. the caste system defined its social

asked Apr 27, 2024

1 answer 139k views

Consider the equation below.(If answer does not exist, enter DNE.) a) Find the interval on which f is increasing. Find the interval on which f is decreasing. b) Find the local minimum and maximum values

answered Mar 17, 2024

1 answer 775 views

In what historical situation did Conrad of Megenberg write his book? The Black Death pandemic in the 14th century. The Renaissance period in Europe. The Industrial Revolution in the 18th century. The Age

asked Mar 16, 2024

1 answer 92.0k views

Two charges are placed as shown in (Figure 1) with q1 = 1.2 μC, q2 = -3.3 μC, and d = 0.11 m.What is the net force between the charges? A) 2.64 N B) 3.96 N C) 4.53 N D) 6.62 N

answered Feb 29, 2024

1 answer 227k views

Which of the following best describes "sourcing?" A Determining who wrote a document as well as the circumstances of its creation. B. Considering details across multiple sources to determine points of

asked Jan 1, 2024

1 answer 223k views

What is the mean median and mode of 201,201,200,199,199

answered Dec 30, 2023

1 answer 135k views

What are good main ideas for Autumn Topic : Autumn Main Idea #1 ____________________________________________________ Main Idea #2 ____________________________________________________ Main Idea #3 ____________________________________________________

answered Dec 2, 2023

2 answers 69.6k views

What is the correct meaning of the word tightest? more tight too tight most tight less tight

answered Oct 19, 2023

2 answers 137k views

Fill in the blank with the appropriate vocabulary word. because he asked a lot of The TV news reporter was Choose. Choose questions. astounded inquisitive perplexed precise

answered Sep 1, 2023

2 answers 166k views

Ask a Question