Recent activity by Bob Zheng

Recent activity by Bob Zheng

What are antibiotics? please answer

answered Dec 17, 2023

2 answers 138k views

What is the molarity of .200 L of solution in which 2.0 moles of sodium bromide is dissolved?

answered Dec 11, 2023

1 answer 68.3k views

Let theta be an angle between pi and 3pi/2 such that cos(theta) = -1/9

answered Nov 21, 2023

2 answers 26.5k views

Solve the equation. 1-x=2x+19

answered Oct 19, 2023

2 answers 61.5k views

Which one is more basic, Li2O or Na2O? why?

answered Oct 8, 2023

1 answer 34.5k views

Quadratics Give an example of an x-intercept from a vertex form equation.

answered Jul 16, 2023

1 answer 146k views

What is the value -4²+(5-2)(-6)

answered Jan 29, 2023

1 answer 192k views

Why do sliver and copper have similar propreties?

asked Jan 18, 2023

2 answers 89.7k views

If the dna of a bird has 8% adenine, what percent of cytosine would there be ?

answered Nov 19, 2022

1 answer 159k views

I NEED HELP// Which of the following correctly represents the process for calculating net income? A. gross pay − deductions = net income B. gross pay + deductions = net income C. gross pay × deductions

answered Oct 25, 2022

2 answers 11.9k views

Ava’s lunch bill was $8.70 and Allanah’s was $10.30. The girls’ uncle paid for the lunches and left a 15% tip. What amount did the girl’s uncle leave for a tip? A) $2.85 B) $3.00 C) $21.85 D) $19.00 I

answered Oct 21, 2022

2 answers 33.5k views

Which of the following statements are true. A) A short to ground causes decreased current flow B) an open causes unwanted voltage drops C) high resistance problems cause increase current flow D) both open

answered Oct 8, 2022

1 answer 8.7k views

Lee y escoge la opción con la forma correcta del verbo para completar la frase. Read and choose the option with the correct form of the verb to complete the sentence. Espero que yo ________ visitar la

answered Aug 31, 2022

2 answers 116k views

What is the distance between 32 and -67 on a number line?

answered Jul 30, 2022

2 answers 17.8k views

An air conditioner is turned on at 1:00 pm. By 3:30 pm the room temperature had dropped from 82F to 72F. Find the average rate of change of temperature in this room over the period

answered Jul 3, 2022

1 answer 165k views

1. Why was prohibition called the failed experiment?

asked Jun 20, 2022

1 answer 231k views

I need help! I have an essay to write about this story where one guy completes a drawing in a couple of months while another guy completes a drawing in one day and the person who commisioned them says

answered May 30, 2022

2 answers 68.4k views

HELPP WITH NOTH OF THEM THIS IS DUE IN A HOUR HELLPPPP

asked May 18, 2022

1 answer 28.1k views

What is 14x - 3x > 4x

answered Apr 16, 2022

2 answers 14.6k views

3. Governments are set up to ____.

answered Apr 13, 2022

1 answer 212k views

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