Recent activity by Hongxu Jin

Recent activity by Hongxu Jin

What is the frequency of radiation that has a wavelength of 1.73 nm? (HINT: Don't forget that you have to convert nm to m first.)

answered Jul 15, 2024

2 answers 89.0k views

An unfair coin has probability 0.3 of landing heads. The coin is tossed five times. What is the probability that it lands heads at least once? Round the answer to FOUR decimal places. P (Lands heads at

answered Jun 26, 2024

1 answer 157k views

Which is not a source of non-anthropogenic air pollution? a) Volcanic eruptions b) Forest fires c) Industrial emissions d) Pollen

asked May 8, 2024

1 answer 196k views

In order to insure that rigid insulation is fire resistant:

asked Apr 1, 2024

1 answer 22.1k views

C quoi la rep svp sinon je me bute

answered Mar 5, 2024

1 answer 22.1k views

7/2x + 1/2x = 7 + 9/2x

asked Dec 22, 2023

1 answer 81.7k views

Read the passage, and then answer the question. The king’s blacksmith wants to hire and train a few men in his profession. The blacksmith does not have enough skilled employees who know how to work with

asked Nov 24, 2023

1 answer 18.6k views

Y=(2/3) x + 6 Change to standard Form

asked Oct 11, 2023

1 answer 138k views

The speeds of four racing cars are 146.633 mph, 150 mph, 151.971 mph, and 141.428 mph. Find the average speed of the 4 cars correct to 5 significant digits.

answered Aug 25, 2023

2 answers 39.8k views

Photosynthesis is a process by which _______ energy is converted to _______ energy. a) Nuclear to Mechanical energy b) Chemical to Radiation (light) energy c) Heat to Electrical energy d) Solar to Chemical

answered Jun 9, 2023

1 answer 67.3k views

Jack is 6 years older than Jill.If four years ago Jack was 3years less than twice Jill'sage, how old is Jill now?

answered Mar 10, 2023

2 answers 27.4k views

What country did East Germany most aligned with Between 1947 and 1991

answered Feb 7, 2023

1 answer 209k views

9. Given: f(x) = 2x + 3 and g(x) = 3x + 1 Find: (f • g)(-1)

asked Jan 12, 2023

1 answer 71.0k views

Measure of how much matter is in a given amount of space

answered Jan 12, 2023

2 answers 86.3k views

Evaluate and solve: y + 3 = –y + 9

answered Dec 28, 2022

2 answers 30.6k views

I need help as soon as possible

answered Dec 22, 2022

1 answer 48.8k views

I require so help with Spanish! ASAP pls! 1) La Sra. Martinez enseñ____ español. a. o b. as c. a d. amos f. an 2) Yo escuch____ música en mi casa. a. o b. as c. a d. amos f. an 3) Ellos busc____ insectos.

answered Dec 6, 2022

2 answers 19.4k views

Please help!!! The author suggests in this excerpt that Read the excerpt from Heathy Eating." Fourteen years ago, Juanita Felguson 55, had a kidney transplant. So she watched what she ate and always included

asked Oct 20, 2022

1 answer 77.4k views

Imaging a computer is part of what phase of conversion? a. Backup b. Configuration c. Procurement

answered Oct 15, 2022

1 answer 62.0k views

A bag contains 5 red marbles, 6 white marbles, and 4 blue marbles. Without looking, draw out a single marble. Find P(red and blue).

asked Sep 16, 2022

1 answer 103k views

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