Questions by Sam Joseph

Questions by Sam Joseph

There are four $20 bills, five $10 bills, seven $5 bills, and four $1 bills in your wallet. You select one bill at random. What is the expected value for this experiment? $

asked Aug 12, 2019

1 answer

0 votes

77.4k views

Given f(x)=4x^2-5x+3 and g(x)=2x-7, find f(x)-g(x) A) 4x^2-3x-4 B) 4x^2-7x+10 C) 4x^2-7x+10 D) 4x^2-3X+10

asked Jan 14, 2019

1 answer

4 votes

29.6k views

Write the symbol for the element with 30 neutrons and a mass number of A = 56.

asked Jul 19, 2018

1 answer

3 votes

16.9k views

How many faces, edges, and vertices does a sphere have

asked Mar 1, 2018

2 answers

0 votes

77.0k views

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