Recent activity by Matt Todd

Recent activity by Matt Todd

A pure yellow crystalline substane, when heated in a vacuum, releases a greenish gas and a red powder. Is the original yellow crystalline substance a compound or element?

answered Nov 24, 2023

1 answer 323k views

Determine the number of solutions of each system of equations. -14x - 20y = 42 -14x - 20y = 42 A. Infinitely many solutions B. There are two solutions C. One solution D. No solutions PLEASE HELP ♡

answered Nov 17, 2023

1 answer 86.9k views

Who was considered the best tap dancer of all time with the cleanest sounding taps making the most complex steps look easy

answered Nov 1, 2023

1 answer 523k views

Francium-223 has a half-life of 22 minutes. A geiger counter gives a reading of 58 counts per minute (cpm) from a sample of francium-223. What will the reading be 22 minutes later?.

asked Apr 23, 2023

1 answer 37.8k views

Which best describes the mass of protons, neutrons, and electrons? A).neutrons have a much larger mass than than protons and electrons B).neutrons and protons have a much larger mass than electrons. C).

asked Apr 15, 2023

1 answer 482k views

The following to a table shows the date it for the students of two different grades in a school:

answered Mar 19, 2023

1 answer 73.3k views

Identify and explain one way in which scholarly disciplines outside of history have contributed to the scholarly perspectives described by diamond.

answered Feb 13, 2023

1 answer 343k views

Using the excerpts from the Story of My Life by Helen Keller and Narrative of the Life of Frederick Douglass, compare and contrast the themes presented by the authors. Using the excerpts from the Story

answered Feb 7, 2023

1 answer 197k views

A robot vacuum advertises that it can clean a 120-square-foot room in 1/2 an hour. How many square feet could the robot vacuum clean in 1 hour?

asked Oct 14, 2022

1 answer 253k views

The ratio of two numbers is 9 to 8, and their sum is 187. What are the numbers?

answered Sep 22, 2022

2 answers 68.3k views

2. Dwayne scored 55 points in the last basketball game, which is 10 points more than his previous personal best. Lebron scored 15 points more than Chris in the same game. Lebron scored the same number

answered Sep 17, 2022

1 answer 349k views

I need help on both, I don’t understand. It’s dealing with similar triangles

answered Aug 18, 2022

1 answer 506k views

Was King Louis XIV’s decision to exclude certain nobles a good leadership decision? Explain your answer.

asked Jun 17, 2022

1 answer 142k views

Given three consecutive even integers whose sum is 54, find the largest of the three integers.

asked Mar 7, 2022

2 answers 69.4k views

Can someone help me

asked Jan 14, 2022

1 answer 119k views

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