Here's the question you clicked on:
onedirection123
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
plug in n = 15 into a(n) = 4 + 4(n-1) to get your answer
4. To which set of numbers does the number belong? (1 point) square root 51 rational numbers irrational numbers integers natural numbers
can someone help me
is 51 a perfect square?
it is? so there's some integer that you can square to get 51?
ex: 100 is a perfect square since 10^2 = 100
4 is a perfect square because 2^2 = 2*2 = 4