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How many milligrams of CO exist in 12000 liters of air with 10 ppm of CO? 1.2 × 10^4 12 × 10^3 12 × 10^5 12 × 10^4
asked
Nov 17, 2021
Chemistry
college
2
answers
2
votes
62.0k
views
The tens digit exceeds the units digit by 3. If the units digit is r what is the value of the number ?
asked
Oct 9, 2021
Mathematics
high-school
2
answers
3
votes
186k
views
What helped the Jewish people survive under the babylonian captivity
asked
Sep 27, 2021
History
high-school
2
answers
5
votes
146k
views
Dustin needed 0.80 meter of fabric to make a pillow. The fabric cost $1.50 per meter. How much did Dustin pay for 0.80 meter of the fabric?
asked
Aug 24, 2021
Mathematics
high-school
1
answer
5
votes
106k
views
Potassium ions (K+) move across a 7.0 -mm- thick cell membrane from the inside to the outside. The potential inside the cell is −70.0 mV, and the potential outside is zero. What is the change in the electrical
asked
Jun 25, 2021
Physics
college
1
answer
0
votes
107k
views
Which expression is equivalent to (f + g)(4)? O f(4) + g(4) O f() + g(4) O f(4 + g(4)) O 4(f(x) + g(x))
asked
May 14, 2021
Mathematics
middle-school
1
answer
1
vote
193k
views
Judy has $20 and is saving $6 per week. Ida has $172 and is spending a rate of $4 per week. After how many weeks will each have the same amount of money
asked
Aug 16, 2020
Mathematics
middle-school
1
answer
1
vote
62.7k
views
What is the mass (in grams) of 6.78 moles of dinitrogen pentoxide
asked
May 21, 2020
Chemistry
middle-school
1
answer
4
votes
210k
views
Describe what happens, at a microscopic level, when an object is charged by rubbing. For instance, what happens when a plastic pipe is rubbed with a cloth? Describe the specific case where the rod becomes
asked
Mar 18, 2020
Physics
high-school
1
answer
0
votes
139k
views
Identify the three basic components that allows the U.S tax system to operate ?
asked
Dec 25, 2019
English
high-school
1
answer
5
votes
74.8k
views
In order to be properly inspected, firewalls may send data to a middleman called a _______ service.
asked
Dec 12, 2019
Social Studies
high-school
2
answers
3
votes
116k
views
Need help!!!!!The dot plot below shows the number of books 26 students read in a month: Dot plot labeled Number of Books Read shows 10 dots over 0, 7 dots over 1, 3 dots over 2, 2 dots over 3, 1 dot over
asked
Sep 18, 2018
Mathematics
middle-school
1
answer
4
votes
178k
views
If the back of a person's eye is too close to the lens, this person is suffering from
asked
May 12, 2018
Health
high-school
1
answer
0
votes
164k
views
What is the name of the shopping area in Madrid that is open on Sundays? A. Compras B. Centro Madrid C. El Mall de Madrid D. El Rastro
asked
Mar 28, 2018
Spanish
college
2
answers
4
votes
167k
views
Which of these would make the number sentence true below? 3.7427 < 3.74__ A. Three thousandths B. Two thousandths C. Three ten-thousandths D. Seven ten-thousandths
asked
Feb 26, 2018
Mathematics
college
1
answer
3
votes
26.3k
views
How would you write the sentence "you [formal] need to study for english class" and "you [informal] need to study for english class" in spanish?
asked
Jan 2, 2018
Spanish
middle-school
2
answers
3
votes
124k
views
What is the square root of 5304 4 times
asked
Apr 25, 2017
Mathematics
middle-school
1
answer
2
votes
68.9k
views
Which of the following words or phrases is a colloquialism? A) fine B) why C) should have D) on the other hand
asked
Jan 5, 2017
English
high-school
1
answer
3
votes
233k
views
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