Questions by Joann

Questions by Joann

What is the work function of gold metal in kJ/mol if light with λ = 234 nm is necessary to eject electrons?

asked Nov 24, 2021

1 answer

3 votes

167k views

A jacket is on sale for 10% off including the discount and 7% tax the sales price of the jacket is $115.56 what is the price of the jacket before the discount and tax

asked Nov 5, 2021

1 answer

1 vote

84.4k views

one satellite radio station service charges $10 per month plus an activation fee of $20. A second service charges $11 per month plus an activation fee of $15. In what month will the cost of both plans

asked Sep 21, 2021

1 answer

5 votes

122k views

Why can gasses change volume?

asked Sep 11, 2021

2 answers

3 votes

171k views

Complete the following sentences with the correct form of tener que or deber as appropriate. 1. Mi abuela tiene mucho que hacer en la cocina. Yo ___________ ayudarla. 2. Mañana hay un examen de matemáticas

asked Jun 16, 2021

2 answers

5 votes

14.8k views

-\dfrac23p+\dfrac15-1+\dfrac56p− 3 2 p+ 5 1 −1+ 6 5 p

asked Jun 8, 2021

1 answer

2 votes

119k views

How many ways can 10 people be seated on a bench if 4 seats are available

asked May 25, 2021

2 answers

0 votes

67.9k views

1. What is the difference between rocks and minerals?

asked May 2, 2021

1 answer

4 votes

65.0k views

Write a program that performs the following tasks: Display a friendly greeting to the user Prompt the user for the value to convert (a String) Accept that String Prompt the user for the value of the initial

asked Apr 26, 2021

1 answer

4 votes

190k views

It is April 2018 and Mark is a novice investor who wants to decide between purchasing shares in Eagle Corp or Myna Bird Inc. In fiscal year 2017, Eagle Corps return on invested capital (ROIC) was 15 percent,

asked Apr 16, 2021

1 answer

2 votes

129k views

Determine which functions have two real number zeros by calculating the discriminant, b2 – 4ac. Check all that apply. f(x) = x2 + 6x + 8 g(x) = x2 + 4x + 8 h(x) = x2 – 12x + 32 k(x) = x2 + 4x – 1 p(x)

asked Apr 8, 2021

2 answers

0 votes

221k views

who was the only person thought to have done all they could do to prevent the full tragedy of the titanic?

asked Mar 1, 2021

1 answer

5 votes

77.7k views

Which research question is poorly stated because it does not specify a population? Group of answer choices What proportion of college students take online classes? What is the average commute time for

asked Jan 3, 2021

1 answer

1 vote

104k views

What is the solution to the following system of equations? x − 4y = 6 2x + 2y = 12

asked Oct 7, 2020

1 answer

1 vote

147k views

Rank the following three stocks by their level of total risk, highest to lowest. Rail Haul has an average return of 12 percent and standard deviation of 25 percent. The average return and standard deviation

asked Jul 3, 2020

1 answer

1 vote

25.5k views

The Sistine Chapel in Vatican City was painted in the early 1500s by

asked Mar 6, 2020

2 answers

0 votes

57.5k views

The standard unit of radiation related to biologic hazard is known as the ?

asked Mar 5, 2020

2 answers

5 votes

3.3k views

Which value in the replacement set is a solution to this equation? 4n−11=9 Replacement set: {4, 5, 6} Drag the solution into the box. A. 4 B. 5 C. 6

asked Sep 12, 2019

2 answers

0 votes

124k views

How many moles of CO4 are in 870 mL of a 0.75 M solution?

asked Feb 19, 2019

2 answers

2 votes

166k views

Each of the sentences provided may contain a grammar or usage error. Read each sentence, and then identify its error, if there is one, by selecting the appropriate answer choice. If there is no error in

asked Jan 19, 2019

2 answers

5 votes

51.0k views

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