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onedirection123
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2. Every day you collect 4 pennies and keep them in a jar. So the first day you have 4 pennies, the second day you have 8 pennies, the third day you have 12 pennies, etc. How many do you have on the 15th day? (1 point)
75
19
15
60
 one year ago
 one year ago
onedirection123 Group Title
2. Every day you collect 4 pennies and keep them in a jar. So the first day you have 4 pennies, the second day you have 8 pennies, the third day you have 12 pennies, etc. How many do you have on the 15th day? (1 point) 75 19 15 60
 one year ago
 one year ago

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jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
plug in n = 15 into a(n) = 4 + 4(n1) to get your answer
 one year ago

DHASHNI Group TitleBest ResponseYou've already chosen the best response.0
4+ 4(14) =15(4)= 60
 one year ago

onedirection123 Group TitleBest ResponseYou've already chosen the best response.0
4. To which set of numbers does the number belong? (1 point) square root 51 rational numbers irrational numbers integers natural numbers
 one year ago

onedirection123 Group TitleBest ResponseYou've already chosen the best response.0
can someone help me
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
is 51 a perfect square?
 one year ago

onedirection123 Group TitleBest ResponseYou've already chosen the best response.0
yes
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
it is? so there's some integer that you can square to get 51?
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
ex: 100 is a perfect square since 10^2 = 100
 one year ago

jim_thompson5910 Group TitleBest ResponseYou've already chosen the best response.1
4 is a perfect square because 2^2 = 2*2 = 4
 one year ago
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