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25POINTS please answer this
answered
Jun 17, 2020
Physics
middle-school
2
votes
159k
views
A metalworker has a metal alloy that is 25% copper and another alloy that is 70% copper. How many kilograms of each alloy should the metalworker combine to create 50 kg of a 61% copper alloy? The metalworker
answered
Jan 30, 2020
Mathematics
high-school
3
votes
36.3k
views
Help please, its math and i do not understand it
answered
Jan 4, 2020
Mathematics
middle-school
3
votes
200k
views
The question is on the picture
answered
Nov 21, 2019
Mathematics
middle-school
4
votes
40.9k
views
Identify the mean and standard deviation of the graph
answered
Feb 21, 2019
Mathematics
middle-school
5
votes
52.5k
views
Coordinate grid with plotted ordered pairs, point A at negative 5, 4 point B at 4, 7 point C at negative 2, 7 point D at negative 7, 1 point E at 4, negative 2 point F at 1, negative 6 point G at negative
answered
Oct 1, 2018
Mathematics
middle-school
3
votes
26.2k
views
Originally, the term Aryan referred to a people group that replaced the Indus Valley civilization. true or false
answered
Sep 11, 2018
History
high-school
4
votes
97.4k
views
Identify the factors (new resources, increased productivity, education, technology, slave economy, territorial expansion) that increase economic growth. The Aztecs often increased their economy by demanding
answered
Dec 28, 2017
History
middle-school
1
vote
22.6k
views
The position of a diving bell is −34−34 mile relative to sea level. the diving bell reached this position after dropping from sea level at a constant rate for 112112 hours. what was the position of the
answered
Sep 13, 2017
Mathematics
high-school
2
votes
139k
views
Analyze what happens to the air pressure as you increase in the altitude. How might this affect athletes who compete at higher altitudes?
answered
Nov 14, 2016
Physics
middle-school
3
votes
49.8k
views
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