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Consider the air over a city to be a box 100 km on two sides that reaches up to an altitude of 1.0km. Clean air is blowing into the box along one of its sides with a speed of 4 m/s. Suppose an air pollutant
answered
Mar 3, 2021
Physics
college
5
votes
128k
views
Liam has a bag of b beads. He gives 20 beads to his sister. He then uses all of the remaining beads to make 4 necklaces with the same number of beads on each necklace. Write an expression that represents
answered
Feb 17, 2021
Mathematics
high-school
4
votes
32.7k
views
In the trade network, what did the Native Americans provide? O A. Beads B. Money O C. Furs O D. Ships
answered
Jan 14, 2021
History
high-school
2
votes
168k
views
Which of the following actions would help prevent physical hazards? A. Using damaged equipment as long as possible before replacing it B. Keeping your hair uncovered when working with food C cleaning up
answered
Jan 13, 2021
Health
high-school
5
votes
42.1k
views
the sum of ages of father and his son is 60 years.if the difference between their ages is 40 years then find the age of father and son?
answered
Nov 6, 2020
Mathematics
middle-school
6
votes
69.4k
views
. Wilson Publishing Company produces books for the retail market. Demand for a current book is expected to occur at a constant annual rate of 7200 copies. The cost of one copy of the book is $14.50. The
answered
Sep 17, 2020
Business
college
1
vote
104k
views
PLEASE HELP ITS DUE TODAY! Explain why the equation(x-4)^2-28=8. Then solve the equation to find the solutions. Show your work
answered
Aug 26, 2020
Mathematics
college
1
vote
137k
views
On a certain map 1.5 inches represent a distance of 120miles. If two cities on this map are 1 foot apart, what is the distance in miles, between the cities?
answered
Jul 30, 2020
Mathematics
middle-school
3
votes
222k
views
In The Necklace, which character stated, “You never go out, and this is such a fine opportunity.”
answered
Jul 4, 2020
English
middle-school
3
votes
70.3k
views
Which statement explains why it is important to have a system of currency exchange? ***I already know that it isn’t A or B*** A) People like to collect different types of currency as a hobby. B) it gives
answered
Jun 29, 2020
History
middle-school
4
votes
56.1k
views
What is the length of the line segment that is graphed from (2, 1) to (2, 9)?
answered
Feb 20, 2020
Mathematics
middle-school
3
votes
226k
views
George is reading a book. After 3 hours he has read 90 pages, and at the end of 5 hours he has read 180 pages. What is the average rate of change? ____ pages/hour Type your numerical answer below.
answered
Jan 6, 2020
Mathematics
high-school
7
votes
192k
views
Julie designs gardens for a living. For a year she kept track of the amount of time she spent designing the garden and whether or not the customer returned. She recorded the time and probability that a
answered
Nov 10, 2019
Mathematics
middle-school
1
vote
230k
views
Rank the metals from most reactive (1) to least reactive (3) silver, strontium, and technetium
answered
Aug 10, 2019
Chemistry
college
3
votes
61.3k
views
Which division of the nervous system is the broadest (or most inclusive)?
answered
Jun 21, 2019
Biology
college
4
votes
18.3k
views
How much money will you need to invest initially to have $10,500.00 in two and one-quarter years if the money is compounded monthly at an annual rate of 3.25%?
answered
Apr 10, 2019
Mathematics
middle-school
5
votes
42.0k
views
Why did President James Monroe undertake a goodwill tour soon after taking office? A. He wanted to inspire a sense of nationalism in American citizens. B. He wanted to rally more support for the next presidential
answered
Sep 12, 2018
History
middle-school
6
votes
122k
views
What is 0.88 ÷84.48
answered
May 6, 2018
Mathematics
middle-school
4
votes
197k
views
A farmer had an accident and spilled a chemical into his pond. Several days later, he notices many dead frogs around the pond. That summer, the number of gnats around the pond was higher than ever. This
answered
Apr 19, 2018
Biology
high-school
6
votes
157k
views
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