Questions by Pedro Vale

Questions by Pedro Vale

Sound travels about 750 miles per hour. if you stand in a canyon and sound a horn, you will hear an echo. suppose it takes about 1.5 seconds to hear the echo. how far away is the canyon wall, in feet?

asked Oct 8, 2019

1 answer

3 votes

178k views

If the interest rate on a savings account is 0.02%, approximately how much money do you need to keep in this account for 1 year to earn enough inerest to cover a single $9.99 Below-Minimum-Balance Fee?

asked Aug 4, 2019

2 answers

5 votes

140k views

Please help me with this..... How did geography affect the development of independent city-states? Select all that apply. A. The mountains isolated the city-states. B. The sea separated the city-states.

asked May 23, 2019

1 answer

0 votes

75.0k views

Please help me idk the answer

asked Apr 16, 2019

2 answers

0 votes

79.0k views

What are two stereotypes or myths regarding those living with HIV or AIDS?

asked Sep 20, 2018

2 answers

2 votes

55.8k views

What was the name of the book written by Richard Wright that portrayed the journey of a young African-American man who tried to succeed in a racist world? A) Gone With the Wind B) Grapes of Wrath C) Native

asked Jul 24, 2018

2 answers

2 votes

22.5k views

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