Questions by Jacqualine

Questions by Jacqualine

A car moving at 36 m/s passes a stationary police car whose siren has a frequency of 500 Hz. What is the change in the frequency (in Hz) heard by an observer in the moving car as he passes the police car?

asked Oct 24, 2021

1 answer

1 vote

206k views

Quinn is building an enclosed pen in his backyard. He wants the perimeter to be no more than 50 feet. He also wants the length to be at least 5 feet longer than the width. Which combination of width and

asked Sep 9, 2021

1 answer

2 votes

44.9k views

Evaluate 3(3-5)3+19 Please I need it asap

asked Mar 25, 2021

1 answer

3 votes

124k views

Please help :( and serious answers only tired of ppl taking my points when ppl actually need help.

asked Mar 10, 2021

2 answers

4 votes

4.1k views

Which corresponds to the most recent common ancestor on a phylogenetic tree?

asked Feb 9, 2021

1 answer

3 votes

180k views

What challenges did people freed from slavery face? Check any of the boxes that apply

asked Jan 11, 2021

2 answers

3 votes

121k views

Expand & simplify 6 ( 4 c + 2 ) − 6 ( 2 c − 2 )

asked Dec 12, 2020

1 answer

5 votes

64.6k views

How does "The Oval Portrait" reflect the overall cultural, literary, political, ideological, scientific, and moral climate of eighteenth century America?

asked Aug 18, 2020

2 answers

1 vote

2.4k views

Abigail wants to make 60% more pancakes than the recipe usually prepares. If the recipe calls for 1/2 cup of flour, how much will she need to use?

asked Jun 27, 2020

1 answer

3 votes

14.2k views

O impress her friends, laura wears an expensive designer dress to a party. a sociologist might say laura is engaging in ________

asked Oct 17, 2019

1 answer

2 votes

69.8k views

How has Israel's security barrier on the West Bank affected Israelis and Palestinians? A. It reduced terrorist attacks against Israelis and blocked some Palestinians from accessing their farmland. B. It

asked Mar 4, 2019

1 answer

1 vote

148k views

What happens when the water sand mixture is poured through a filter?

asked Aug 8, 2018

1 answer

1 vote

177k views

Each member of a class sampled a piece of PTC testing paper. Thirty people sampled the chemical. Twenty persons were tasters. How many had homozygous genes? 10-30 10 10-20 0-10

asked Jan 28, 2018

2 answers

0 votes

76.2k views

Which of the following is a low-interest loan to students with very high financial need? A.Direct PLUS B.Pell C.Gates D.Perkins

asked Feb 14, 2017

2 answers

4 votes

201k views

Triangle ABC is similar to triangle XYZ by the AA Similarity Postulate. Also, m∠A = 39° and m∠C = 24°. What is m∠Y?

asked Jul 14, 2016

1 answer

4 votes

222k views

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