Mathematics, 28.01.2021 21:10, gesic2003
How were people’s lives changed by the new technologies of the 1920s?
A. Labor-saving devices gave people more leisure time.
B. New farm machinery increased agricultural production.
C. Mobile devices allowed people to communicate more effectively.
D. National television broadcasts united the country.
Answers: 3
Mathematics, 21.06.2019 16:30, marbuscis99
Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.
Answers: 1
Mathematics, 21.06.2019 23:00, ronaldotheexplorer12
The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?
Answers: 3
How were people’s lives changed by the new technologies of the 1920s?
A. Labor-saving devices gave...
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