Recent activity by Ivan Leonenko

Question

Using the definition of the speed of light (299,792,458), if light has a wavelength of 7E-7m, what is it's frequency?

answered Jan 2

1 answer 81.4k views

What did Bartolome de las Casas do in an effort to end the Encomienda system?

answered Dec 17, 2024

1 answer 79.1k views

If a battery has been connected to the circuit for a long time, then the capacitor discharges half of this stored energy in exactly a) 1 time constant b) 2 time constants c) 3 time constants d) 4 time

asked Dec 6, 2024

1 answer 213k views

Did the UN do enough to help the Rwandans and Tutsi population, or could they have done more?

answered Nov 2, 2024

1 answer 113k views

Madison had 8 more red tiles than yellow tiles. Madison gave half of their red tiles to Citlalli and half of their yellow tiles to Val. If Val has 9 yellow tiles, how many tiles does Madison have now

answered Oct 11, 2024

1 answer 160k views

HELP ASAP Emma created a table to describe the weather conditions in her area on a specific day. What units of measurement can be used for precipitation with mm or inches being correct? Precipitation Air

answered Oct 5, 2024

2 answers 50.5k views

Which of the following is an effective approach in the appraisal of research studies? a) Confirmation Bias b) Critical Appraisal c) Hasty Generalization d) Selective Perception

answered Sep 25, 2024

1 answer 91.9k views

In Snow in Midsummer, what character is a poor scholar and later a government inspector?

asked Sep 11, 2024

1 answer 41.9k views

Which calculator can be used for evaluating summation notation? A) Graphing calculator B) Scientific calculator C) Matrix calculator D) Differentiation calculator

asked Sep 5, 2024

1 answer 105k views

Write a loop that sets newscores to oldscores rotated once left, with element 0 copied to the end. For example, if oldscores = 10, 20, 30, 40, then newscores = 20, 30, 40, 10.

answered May 24, 2024

1 answer 42.9k views

A driver traveling at 100 km/h on a rural road sees a sheep 32 m ahead in the middle of the road. His reaction time is 0.70 s, after which he breaks at an acceleration of -5.88 m/s2. Unfortunately, this

answered May 12, 2024

1 answer 21.1k views

Though Donald was in a bad mood, a peer made a joke that made him smile. As he continued to smile, his mood began to change. This reaction is best described by-

asked May 9, 2024

1 answer 2.7k views

Write a short note on your favourite weather.

answered Apr 29, 2024

2 answers 126k views

An explanation for why plants with the ccPp genotype have white petals while plants with the CcPp genotype have purple petals is ______?

asked Apr 9, 2024

1 answer 232k views

Some sugar substitutes are made from derivatives of sucrose. Is sucralose a sweetener? 1) True 2) False

asked Mar 12, 2024

1 answer 71.0k views

How much will the gumballs cost if Nicholas scooped a few gumballs into his bag and it weighs 0.76 pounds? A) $0.50 B) $1.00 C) $1.50 D) $2.00

answered Jan 23, 2024

1 answer 1.5k views

Please make this simple and easy, and help me quickly, thank you!

answered Dec 21, 2023

1 answer 72.0k views

Can someone help? im not sure about this questons and its getting me so stressed out :( pls help :(

asked Dec 9, 2023

2 answers 26.3k views

Mark often buys lunch at the deli next to his work. Lunch at the deli costs $7. 50. Mark sets aside $150 for lunches at the deli at the beginning of the month. Which equation describes how much money,

answered Nov 14, 2023

1 answer 159k views

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answered Sep 7, 2023

1 answer 72.8k views

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