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1/2s=4s-21 please show steps
answered
Aug 5, 2021
Mathematics
college
7
votes
135k
views
An atom has 14 protons, 17 neutrons, and 18 electrons. What is its mass number, atomic number, and charge?
answered
May 16, 2021
Chemistry
high-school
2
votes
117k
views
You get paid $6.80 per hour and worked 4 hours of overtime last week .How much overtime pay will you receive for last week ?
answered
Apr 16, 2021
Mathematics
high-school
4
votes
209k
views
Charlotte has been working for her company for x years. Travis has been working for the same company exactly 3 years longer than Charlotte. What is the range of the relationship?
answered
Apr 13, 2021
Mathematics
high-school
4
votes
104k
views
I need help please help me
answered
Apr 12, 2021
Mathematics
high-school
2
votes
173k
views
Late in the nineteenth century many Americans believed that the US should establish a colonial empire because?
answered
Jan 30, 2021
History
high-school
1
vote
214k
views
In the following equations, t represents time in hours and m represents mass in mf. Which of them (if any) would have a mass less than 50 mg after 2 hours? Select all that apply. a. y= 100(0.5)^x b. y=
answered
Jan 12, 2021
Mathematics
high-school
3
votes
73.7k
views
which of the following represent the equation of a line with the slope of 1/4 that passes through the point (-8,2)
answered
Nov 15, 2020
Mathematics
middle-school
3
votes
226k
views
Messed up my bad not meant for Spanish
answered
Oct 16, 2020
Spanish
middle-school
7
votes
11.2k
views
An ideal Brayton cycle with regeneration has a pressure ratio of 10. Air enters the compressor at 300 K and the turbine at 1200 K. If the effectiveness of the regenerator is 100 percent, determine the
answered
Jul 30, 2020
Engineering
college
3
votes
163k
views
For 17a-17c, choose Yes or No to indicate wheter a zero must be written in the dividend to find the quotient. 17a. 1.4 divided by 0.05 17b. 2.52 divided by 0.6 17c. 2.61 divided by 0.3
answered
Jan 29, 2020
Mathematics
high-school
4
votes
196k
views
How does the cell membrane demonstrate selective permeability?
answered
Nov 5, 2019
Biology
high-school
2
votes
200k
views
AH PLEASE HELP ME, 80 POINTS In each example, the atmosphere is interacting with another subsystem of Earth. Identify the other subsystem. Water evaporates in the presence of sunlight. Volcanoes release
answered
Sep 17, 2019
Biology
middle-school
2
votes
14.4k
views
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