Recent activity by Quarac

Recent activity by Quarac

A bell with a fundamental frequency of 880 Hz is moving toward an observer at 3.5 m/s. If the speed of sound is 343 m/s, what pitch would be heard by the observer?1) 871 Hz2) 889 Hz3) 880 Hz4) 884 Hz

answered Oct 20, 2023

1 answer 502k views

Balancing chemical equations! need help!!! don’t mind how i wrote it.

answered Aug 11, 2023

1 answer 20.8k views

10 out of 15 Which is the equation of the line passing through (0, 8) and (4, 0)?

answered May 23, 2023

2 answers 305k views

(x³ - 16x² + 51x + 63) ÷ (x − 6)

answered May 10, 2023

1 answer 125k views

Can somebody help me?

answered Feb 26, 2023

1 answer 274k views

. How did Neanderthals differ from modern humans? A. Neanderthals were shorter in height B. Neanderthals had thicker bones and differently shaped head C. Neanderthals had a hunched posture D. All of the

answered Feb 18, 2023

2 answers 121k views

The type of source pollution that is responsible for 96 percent of polluted water in the US

answered Jan 17, 2023

2 answers 81.4k views

PLEASE HELP ME AS SOON AS POSSIBLE

answered Jan 10, 2023

1 answer 169k views

Question 10 Which of the following is the Factor in causing mass movements

asked Jan 9, 2023

1 answer 264k views

Eric has to read a 250-page novel by Friday. With four days left until Friday, he has read 110 pages of the novel. What percentage of the pages does Eric still have to read?

asked Dec 4, 2022

2 answers 135k views

Guided Practice Type your answer and then click or tap Done. Type the words in bold, changing them to show individual ownership. The power failure at school caused all the teachers and students computers

answered Nov 30, 2022

2 answers 202k views

Why communication is the life blood of all organizations

asked Nov 15, 2022

1 answer 201k views

Witch expressions are equivalent to x + 2y + x +2

asked Sep 23, 2022

2 answers 310k views

RECORD YOUR FIRST HYPOTHESIS (Must be 4-6sentences. Must cite documents A and B to support your hypothesis.): Who was primarily responsible for the Cold War – the United States or the Soviet Union? Document

asked Jun 6, 2022

1 answer 485k views

Which expression is equivalent to 64 2/3 PLS HELP

answered Apr 22, 2022

1 answer 287k views

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