Recent activity by Igor Tkachenko

Recent activity by Igor Tkachenko

What is the speed of light through an unknown glass with an index of refraction of 2.2?

asked Nov 11, 2023

1 answer 177k views

For a class presentation, Jin develops a model to describe why structural changes to genes affect proteins. He provides two groups of students with instructions on how to make a grilled cheese sandwich.

asked Oct 25, 2023

1 answer 104k views

35 + 35= I am adding two positive integers so my answer will be positive. I am adding a negative and positive so my answer will be negative. I am adding a negative and a positive so my answer will be positive.

answered Sep 17, 2023

2 answers 112k views

Don’t phone me between 7 and 8. We (do ) …………….…………..my test then

answered Aug 17, 2023

1 answer 230k views

Point A is located in which quadrant? On a coordinate plane, point A is at (negative 3, 5). Quadrant I Quadrant II Quadrant III Quadrant IV

answered Aug 14, 2023

2 answers 30.7k views

what is a reason if everyone in class does the same experiment with the exact materials and get different results

answered Jul 4, 2023

1 answer 168k views

A spinner has three unequal sections: red, yellow, and blue. The table shows the results of Nolan's spins. Find the experimental probability of landing on each color. Enter your answers as simplified fractions.

asked May 21, 2023

1 answer 20.0k views

What percentage of 2000 is 1200

answered Feb 16, 2023

1 answer 53.0k views

Remembering this is an ancient Greek play, which statement is also a theme in Antigone? A. Humans make their own destiny B. Destiny is always kind C. Fate can shape the lives of humans D. Respect is earned

answered Feb 11, 2023

2 answers 81.7k views

What lasting impacts did World War I have on the world, the US, and Texas? Choose the best answers below.

asked Dec 9, 2022

1 answer 67.4k views

Name a success of the Harlem Renaissance

answered Nov 10, 2022

1 answer 234k views

Explain how the iron pipes change into rust?

asked Sep 13, 2022

1 answer 103k views

:(:(:(:(:(:(:(:(:(:(:(:(::(

answered Aug 29, 2022

2 answers 160k views

Write a letter to your friend describing about agriculture.

answered Aug 21, 2022

1 answer 27.1k views

So which one is it? a, b, c, or d? I NEED HELP ASAP NO STEP BY STEP NEEDED THANKS SO MUCH :)

asked Jul 27, 2022

1 answer 117k views

In American courts judges are advocates for the prosecution. True False

answered Jul 13, 2022

2 answers 233k views

point) According to the Missouri Compromise, which state would enter the Union as a free state? Florida Maine California Texas

answered Jul 5, 2022

2 answers 13.4k views

Translate? Translate because I wasn't paying any attention in class today so I don't really know what it says

answered Jun 11, 2022

2 answers 114k views

Find the missing side of this right triangle. 21 Х 15 x= ✓[?] Enter the number that belongs in the green box. Enter

answered May 24, 2022

1 answer 25.7k views

Someone help me please with this algebra problem

answered Apr 18, 2022

1 answer 33.7k views

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