Which equations support the fact that rational numbers are closed under addition?
select each...
Mathematics, 27.08.2019 11:30 tinsey
Which equations support the fact that rational numbers are closed under addition?
select each correct answer.
9√+9√=29√9+9=29
13+13=2313+13=23
6√+(−6√)=06+(−6)=0
2√+2√=22√
Answers: 2
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Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)
Answers: 3
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What is the solution to the equation 9^(x+1) =27
Answers: 2
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Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.
Answers: 1
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