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A first number plus twice a second number is 13. Twice the first number plus the second totals 14. find the numbers
answered
Sep 27, 2020
Mathematics
middle-school
5
votes
28.7k
views
Which contributions did Galileo make to the model of the solar system? Check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that
answered
Sep 19, 2020
Geography
middle-school
0
votes
74.3k
views
What is this expression 0.45+6.2+18
answered
May 30, 2020
Mathematics
middle-school
4
votes
128k
views
Solve the problem. Segment BK (K∈ AC ) is the angle bisector of ∠B in ΔABC. Point M is chosen on the side BC so that MK ≅ MB. Prove KM ∥ AB.
answered
Nov 17, 2019
Mathematics
middle-school
2
votes
57.7k
views
Subtract using the number line -1 - (-6)!!!!???
answered
Aug 23, 2019
Mathematics
middle-school
6
votes
221k
views
Which selection below explains why the Philadelphia Constitutional Convention of 1787, initially called to amend the Articles of Confederation, resulted in the ultimate creation of a new government?
answered
Aug 18, 2019
Social Studies
middle-school
3
votes
96.7k
views
a wheel makes 40 revolutions per minute at this rate how many minutes does it take the wheel to make 280 revolutions
answered
Apr 15, 2019
Mathematics
college
7
votes
114k
views
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