Questions by Tommaso Bertoni

Questions by Tommaso Bertoni

What statements are true about the ordered pair (7,19) and the system of equations? {2x - y = -5 {x + 3y =22 A. The ordered pair (7,19) is a solution to the first equation because it makes the first equation

asked Jun 9, 2020

1 answer

1 vote

189k views

If a hot 500mL bowl of soup was 88 degrees, then cooled down to 10 degrees, how much heat was lost? Hint: not 88-10 Can you help please!

asked May 27, 2020

1 answer

0 votes

101k views

When, where, and by whom were vaccines for polio developed? Which vaccine is most effective, and why?

asked Nov 4, 2019

1 answer

2 votes

5.6k views

What is the area of the blue square?

asked Mar 6, 2019

1 answer

2 votes

98.5k views

What is a scientist's primary concern in a clinical trial?

asked Jan 15, 2019

2 answers

3 votes

148k views

How were the revolutionary efforts of samuel adams and john hancock most alike

asked Sep 28, 2018

2 answers

2 votes

179k views

In response to a research misconduct allegation, what is the next main phase that takes place after the inquiry if there is sufficient evidence to proceed?

asked Apr 6, 2018

2 answers

1 vote

195k views

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