Answers by Jeff Machamer
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Answers by Jeff Machamer

Answers by Jeff Machamer
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Why is the atomic mass unit(amu) rather than the gram,usually used to express atomic mass?​
answered Jan 11, 2020
4 votes
71.3k views
What was the main effect of the moors' expansion into spain in the 700s?
answered Dec 15, 2019
0 votes
205k views
List at least five traits are inherited.
answered Sep 28, 2019
2 votes
162k views
Write the following number in expanded form. 13,809=
answered Jun 12, 2019
4 votes
97.9k views
Ida needs to hire a singer for her wedding. Singer A is offering his services for an initial $80 in addition to $14.25 per hour. Singer B is offering her services for an initial $92 in addition to $12.
answered May 16, 2019
3 votes
12.1k views
Find the break-even point for the given cost and revenue equations. Round to the nearest whole unit. C = 20n + 134,000 R = 160n a. 744 c. 140 b. 180 d. 957
answered Nov 20, 2018
1 vote
49.9k views
the art teacher found 3 boxes of brushes and 4 extras brushes. There were 40 brushes in all. how many brushes were in each box
answered Oct 12, 2018
1 vote
205k views
How many ballistic missile submarines does russia have?
answered Jul 6, 2018
3 votes
4.5k views
What is the name of the supercluster that our galaxy group belongs to?
answered Jun 3, 2018
0 votes
70.7k views
PLEASE HELP Which of the following is used to calculate ideal mechanical advantage? Fe/Fr dr/de de/dr Fr/Fe
answered Jan 20, 2018
3 votes
178k views
Hy was the basin system of irrigation largely abandoned by farmers near the Nile River in modern times?
answered Oct 14, 2017
0 votes
124k views
Which of the following is not something a zoologist might do in his or her profession? a. help manage natural resources as the human population grows b. work in labs or be outdoors working with animals
answered Jun 17, 2017
5 votes
18.1k views
After five years of earning interest at an annual rate of 4%, an investment has earned $1,200 in interest. Determine the amount of the initial investment. Show all work for full credit.
answered May 4, 2017
6 votes
66.1k views
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