Questions by David Hol

Questions by David Hol

A plumber charges $50 to visit a house plus $40 for every hour of work. Define a variable to represent the unknown quantity. Then write an expression to represent the total cost of hiring a plumber.

asked Sep 3, 2023

1 answer

19 votes

26.2k views

Which change to an object would reduce its kinetic energy by half

asked Apr 5, 2023

1 answer

17 votes

47.3k views

A _______________________ is a land- or sea-based control center that provides the facilities for human control of unmanned vehicles in the air or in space

asked Mar 26, 2023

1 answer

25 votes

30.5k views

What are the two main reasons doctors and scientists believe some people get cancer

asked Feb 28, 2023

1 answer

22 votes

10.2k views

20 POINTS: Why does the initial hill of a roller coaster need to be steep?

asked Dec 28, 2022

2 answers

3 votes

131k views

Citizens in (blank) receive 1.4 years of education on average. Citizens in (blank) earn $906 annually on average. This chart suggests that countries with a short life expectancy and low income have a (blank)

asked Dec 5, 2022

2 answers

5 votes

197k views

What are the products of Photosynthesis? in numbers and subscripts

asked Feb 23, 2022

1 answer

0 votes

185k views

How do I explain that c^2=b^2+a^2 is a right triangle?

asked Nov 28, 2021

1 answer

0 votes

76.0k views

Why do some compound have 1 hydrogen, some have 2 hydrogens, and some have 3 hydrogens?

asked Nov 28, 2021

1 answer

3 votes

95.8k views

8. You can use the Quick Styles drop-down menu to add a visual style to a shape or line. * True False

asked Oct 26, 2021

2 answers

2 votes

179k views

Consider a condenser in which steam at a specified temperature is condensed by rejecting heat to the cooling water. If the heat transfer rate in the condenser and the temperature rise of the cooling water

asked Sep 25, 2021

1 answer

2 votes

145k views

A circular gift has a 4.75 inch radius. Ilyssa wants to wrap a ribbon that costs $0.50 per inch around the gift. How much money will she spend?

asked Jul 9, 2021

1 answer

5 votes

18.5k views

ESSAY QUESTION: Describe the voyage that enslaved African had to endure on their journey on the Middle Passage.

asked May 17, 2021

1 answer

3 votes

69.5k views

The “Great Sun” ruled over which of these cultures A.Biloxi B.Chickasaw C.Choctaw D.Natchez

asked May 1, 2021

2 answers

0 votes

61.8k views

Someone please write a long thank you letter for a person who has come to class to teach u once lol use polite words haha

asked Feb 17, 2021

2 answers

5 votes

221k views

What is considered a normal body mass index

asked Dec 20, 2020

2 answers

0 votes

122k views

Who started the Vietnam war

asked Aug 8, 2020

1 answer

3 votes

177k views

How old was Mary Shelley when she wrote her most famous novel, "Frankenstein"?

asked Aug 5, 2020

1 answer

1 vote

123k views

What is an adventure of consuming natural foods instead of dietary supplements

asked Nov 21, 2019

1 answer

5 votes

167k views

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