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In the adjoining figure, the circles with the + sign represent protons and the empty circles represent neutrons. Determine which atoms in the figure are isotopes of each other.
answered
Apr 25, 2022
Chemistry
college
1
vote
122k
views
The radius of a circle is 13 meters. What is the circle's circumference?
answered
Apr 21, 2022
Mathematics
high-school
2
votes
138k
views
What is the area of rectangle PQRS with vertices at P(0,2), Q(0,10), R(4,10), and S(4,2)?
answered
Apr 13, 2022
Mathematics
high-school
2
votes
8.7k
views
Which expression is equivalent to (x ^4) ^-5
answered
Feb 19, 2022
Mathematics
high-school
4
votes
209k
views
Use the number line below, where RS=9y+2, ST=2y+6, and RT= 52
answered
Dec 13, 2021
Mathematics
college
4
votes
218k
views
Calculate the mass number for a fictional element. The element has three isotopes with the following abundances and masses: 22.5 % is 43.2 g/mole 26.9 % is 44.9 g/mole 50.6 % is 45.9 g/mole
answered
Dec 9, 2021
Chemistry
college
7
votes
23.8k
views
Charged particles in the that have a mass of AMU. The number of protons determines the of an atom For example hydrogen has helium has
answered
Oct 18, 2021
Social Studies
college
4
votes
48.8k
views
Write to expression for the perimeter of the figure
answered
Oct 4, 2021
Mathematics
high-school
3
votes
195k
views
you plant 152 flowers in your garden every year. if you have 37 seeds leftover from last year how many more seeds do you need to buy?
answered
Sep 3, 2021
Social Studies
college
6
votes
10.4k
views
Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase the strength of her electromagnet? options: Coil the wire around a test tube. Coil the wire around a toothbrush
answered
Aug 16, 2021
Biology
college
5
votes
106k
views
A _____________ refers to conduct that is illegal only because the child is under age.
answered
Jul 17, 2021
Social Studies
high-school
1
vote
18.4k
views
How did segregation impact the legal system in the United States during segregation? We’re juries required to reflect racial diversity at this time? WILL GIVE 100 POINTS FOR RIGHT ANSWER.!
answered
Jun 11, 2021
English
high-school
4
votes
32.7k
views
What would happen to the perimeter and area of a figure if the dimensions were changed NON-proportionally? For example, if the length of a rectangle was tripled, but the width did not change? Or if the
answered
Apr 23, 2021
Mathematics
high-school
2
votes
155k
views
OPEN ENDED QUESTION -6(-3)
answered
Mar 15, 2021
Mathematics
high-school
7
votes
66.8k
views
Which features are found in both emails and business letters? inside and outside addresses formal salutations and closings all capitalized letters in the body subject lines specific to the topic
answered
Mar 10, 2021
English
college
4
votes
68.5k
views
Tyler returned home after college to live with his parents. This was to be a temporary arrangement; however, days became months and months became three years. Tyler's dad wonders if he will ever move out
answered
Nov 23, 2020
Social Studies
high-school
0
votes
19.1k
views
Which kinds of objects emit light? A. objects that shine B. hot objects C. distant objects D. colored objects E. all objects
answered
Nov 15, 2020
Physics
middle-school
2
votes
146k
views
The __________ is an imaginary horizontal line between the main characters being photographed and determines where the camera should be placed to preserve screen direction (continuity).
answered
Apr 14, 2020
English
high-school
3
votes
58.8k
views
Convert the fraction to a mixed number 5/2=a b/2
answered
Mar 17, 2020
Mathematics
middle-school
3
votes
143k
views
A sedimentary rock that forms when rock fragments squeeze together like shale, sandstone, and conglomerate
answered
Mar 13, 2020
Biology
middle-school
2
votes
140k
views
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