Questions by Andy Campbell

Questions by Andy Campbell

What happens when two sound waves meet in constructive interference? A. The frequency increases. B. The sound disappears. C. The sound gets softer. D. The sound gets louder.

asked Dec 15, 2021

2 answers

2 votes

110k views

Janet was surprised to find out her gynecologist,Dr.Herring,was good friends with her tennis partner,Sally.Janet had met Sally years ago in graduate school,while Dr.Herring knew Sally from church.The nature

asked Jul 26, 2021

1 answer

1 vote

96.9k views

Find the foci for the ellipse given by the equation: 9x^2 + 25y^2 = 225 a. (5, 0) and (-5, 0) c. (0, 3) and (0, -3) b. (4, 0) and (-4, 0) d. (0, 0) and (-1, 0)

asked Jun 21, 2021

2 answers

0 votes

171k views

Which quadratic function is represented by the graph? O y=0.5(x + 2)2 + 4 O y=0.5(x + 3)2 - 0.5 O y=0.5(x – 3)2 – 0.5 O y=0.5(x - 2)2 + 4 hurry please !!!

asked Jun 20, 2021

1 answer

4 votes

126k views

PLEASE HELP ME I NEED THIS BY TONIGHT!!!! Ed Moura has $85000 invested in stocks paying 5%. How much additional money should he invest in certificates of depositing paying 2% so that the average return

asked Apr 6, 2021

1 answer

1 vote

5.0k views

should a woman keep her maiden name after marriage or just take her new husband's surname? just tell me your opinion

asked Mar 8, 2021

1 answer

4 votes

56.5k views

With which era of American history is this image MOST closely associated? A) Prohibition era B) the Civil War era C) Westward Expansion D) the Reconstruction era

asked Jan 21, 2021

2 answers

3 votes

85.6k views

Two balloons are charged with an identical quantity and type of charge:-4 nC. They are held apart at a separation distance of 70 cm. Determine the magnitude of the electrical force of repulsion between

asked Dec 12, 2020

1 answer

5 votes

32.1k views

A company-established plan in which employees acquire shares of the company, often at below-market prices, as part of their benefits is a(n) __________.\

asked Jul 15, 2020

1 answer

1 vote

64.9k views

A certain list consists of 3 different numbers. Does the median of the 3 numbers equal the average (arithmetic mean) of the 3 numbers?(1) The range of the 3 numbers is equal to twice the difference between

asked Feb 3, 2020

1 answer

5 votes

35.1k views

Compute the rate of discount allowed on a lawnmower that lists for $168 and is sold for $105. The rate of discount allowed is 43 % (Round to two decimal places as needed.)

asked Jan 23, 2020

1 answer

2 votes

99.9k views

You take a hot shower, and water evaporates, producing steam. You notice water on your cold mirror. How did it get there?

asked Jul 24, 2019

2 answers

4 votes

122k views

Who is brown in brown v board of education?

asked Jun 19, 2018

1 answer

0 votes

117k views

In the diagram polygon ABCD is reflected across EF to make polygon A'B'C'D'. Which statement must be true?

asked Mar 13, 2018

2 answers

3 votes

66.8k views

Read the sentence below and choose the answer that could most likely be substituted for the word instigate. Unfounded imputations made against conscientious citizens never fail to instigate discord among

asked Jan 3, 2018

1 answer

1 vote

97.7k views

Who was Giles Corey in Salem Times.?

asked Dec 4, 2017

1 answer

2 votes

97.8k views

Which revision of these two sentences uses a relative clause? The orchestra was seated on stage. They played a difficult score. a- The orchestra seated on stage played a difficult score. b- When they were

asked Jul 7, 2017

2 answers

4 votes

51.6k views

What type of immunity uses helper and killer cells

asked Jun 3, 2017

1 answer

3 votes

59.3k views

Developments in which of these industries made important contributions to improvements in the transportation system in the United States during the second half of the 19th century? a. petroleum b. steel

asked Jan 21, 2016

2 answers

4 votes

78.1k views

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