Answer:
10.5, 15, 19.5
Let:
a sub 1(first term) = 6
a sub 2(second term) = ?
a sub 3(third term) = ?
a sub 4(fourth term) = ?
a sub n or a sub 5(fifth term) = 24
Solution:
a sub n = a sub 1 +(n-1)d
24 = 6 + (5-1)d
24 = 6 + 4d
24-6 = 4d
18 = 4d
4.5 = d
a sub 2 = a sub 1 + d
a sub 2 = 6 + 4.5
a sub 2 = 10.5
a sub 3 = a sub 2 + d
a sub 3 = 10.5 + 4.5
a sub 3 = 15
a sub 4 = a sub 3 + d
a sub 4 = 15 + 4.5
a sub 4 = 19.5
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Answer:
10.5, 15, 19.5
Let:
a sub 1(first term) = 6
a sub 2(second term) = ?
a sub 3(third term) = ?
a sub 4(fourth term) = ?
a sub n or a sub 5(fifth term) = 24
Solution:
a sub n = a sub 1 +(n-1)d
24 = 6 + (5-1)d
24 = 6 + 4d
24-6 = 4d
18 = 4d
4.5 = d
a sub 2 = a sub 1 + d
a sub 2 = 6 + 4.5
a sub 2 = 10.5
a sub 3 = a sub 2 + d
a sub 3 = 10.5 + 4.5
a sub 3 = 15
a sub 4 = a sub 3 + d
a sub 4 = 15 + 4.5
a sub 4 = 19.5
☺️☺️☺️☺️