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Mass spectrometer A mass spectrometer is a tool used to determine accurately the mass of individual ionized atoms or molecules, or to separate atoms or molecules that have similar but slightly different
asked
Aug 4, 2021
Physics
college
1
answer
5
votes
68.5k
views
In trapezoid $EFGH,$ $\overline{EF} \parallel \overline{GH}$. Let $P$ be the midpoint of $\overline{EH}$. If the area of triangle $EFP$ is $8$, and the area of triangle $GHP$ is $21$, then find the area
asked
Jun 24, 2021
Mathematics
high-school
2
answers
2
votes
223k
views
In Mona's new video game she earns 30 points for each fish caught and 80 points for each octopus captured, but she loses 15 points every time she captures a crab. Which expression represents the total
asked
May 19, 2021
Mathematics
high-school
1
answer
4
votes
22.4k
views
Joe is building a fort for his little brother out of boxes. He is wondering how much room there will be inside the 40 in 20 in 20 in 30 in 60 in How much space is inside the fort?
asked
Mar 2, 2021
Mathematics
middle-school
2
answers
5
votes
73.6k
views
Which is a negative result of eating too many lipids?
asked
Dec 18, 2020
Biology
middle-school
1
answer
3
votes
127k
views
Find the value of x for the following system of equations. 6x - 6y = 5 16 - 3x = y -85/101 101/24 96/5
asked
Nov 11, 2020
Mathematics
middle-school
1
answer
3
votes
73.7k
views
In high school, some students have been confused to believe that 22/7 is already the actual value of π or an acceptable approximation. Show that 355/113 is a better approximation in terms of absolute and
asked
Sep 8, 2020
Mathematics
college
1
answer
4
votes
232k
views
What are the three different kinds of population density and what is the difference between them?
asked
Aug 17, 2020
Geography
middle-school
2
answers
3
votes
102k
views
How did literature impact the Roaring Twenties? A)Authors began to become concerned with the alienation of youths during the social decadence of the Roaring Twenties. B) Northern writers began to promote
asked
Jan 2, 2020
History
high-school
2
answers
1
vote
77.2k
views
A standard number cube is rolled 180 times predict how many times a 3 or a 5 will be the result
asked
Dec 9, 2019
Mathematics
college
1
answer
3
votes
46.3k
views
Examine the number line and select all the statements that are true
asked
Dec 1, 2019
Mathematics
college
1
answer
5
votes
48.8k
views
Laura is making a patio in her backyard using paving stones. She buys 44 paving stones and a flowerpot worth $7 for a total of $73. How much did each paving stone cost?
asked
Jul 16, 2019
Mathematics
middle-school
1
answer
0
votes
82.7k
views
1. Name two activities that people are more likely to do in the summer. Complete your answer in Spanish. 2. Describe 3 activities that are popular in central Spain. 3. What are two expressions you can
asked
May 27, 2019
Spanish
middle-school
1
answer
3
votes
19.1k
views
The letters 's', 't', 'u', 'd', 'y', 'i', 's', 'l', 'a', 'n', 'd' are placed in a bag. one letter is randomly selected from the bag. what is the probability the letter selected is a consonant? (note: count
asked
Jan 12, 2019
Mathematics
high-school
2
answers
0
votes
25.1k
views
Curtis sat in the third row with his mother and father. They were quiet and reverential as the concert began. Occasionally, Curtis bowed his head as if in thought. When they stood at intermission, he took
asked
Dec 9, 2018
English
high-school
2
answers
2
votes
155k
views
Which of these is LEAST associated with the 1920s? A) flappers B) football C) jazz D) speakeasies
asked
Aug 13, 2018
History
middle-school
2
answers
1
vote
164k
views
Why did the british government establish new policies
asked
Jul 10, 2018
History
middle-school
1
answer
0
votes
208k
views
When it comes to maps its hard for me:) please help!
asked
Sep 14, 2017
Mathematics
middle-school
1
answer
2
votes
47.5k
views
How many 2-inch segments are there in 12 feet
asked
Mar 3, 2017
Mathematics
high-school
2
answers
2
votes
31.6k
views
Answer this and I'll answer a question for you
asked
Feb 15, 2017
Social Studies
middle-school
2
answers
3
votes
201k
views
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