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Someone please help me
answered
Apr 12, 2018
Health
high-school
3
votes
164k
views
The expression 2l 2w is used to find the perimeter of a rectangle with length l and width w. what is the perimeter of a rectangle with length 15 cm and width 4 cm? A) 23 cm B) 38cm C)60cm D)239 cm
answered
Apr 5, 2018
Mathematics
middle-school
5
votes
159k
views
One of the parking lot lights at a hospital has a motion detector on it, and the equation (x+10)2+(y−8)2=16 describes the boundary within which motion can be sensed. What is the greatest distance, in feet,
answered
Mar 12, 2018
Mathematics
high-school
6
votes
222k
views
Why early humans left Asia
answered
Dec 16, 2017
History
middle-school
7
votes
178k
views
_____ are chemical mechanisms that start a reaction. Inhibitors Activators Centrioles Vacuoles
answered
Nov 24, 2017
Chemistry
high-school
1
vote
161k
views
A marble displaces 1.72 ml of water. the volume of the marble is
answered
Jul 26, 2017
Mathematics
high-school
3
votes
66.8k
views
17.The formation of steam above a pot of water is an example of condensation. evaporation. freezing. melting. 18.If you were to pour into a container materials in all three phases of matter, which phase
answered
Jul 23, 2016
Chemistry
high-school
2
votes
19.4k
views
How do you think new maps of the world affected explorers? How do people use maps today?
answered
Nov 11, 2015
Social Studies
middle-school
7
votes
212k
views
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