a)is 2021 belongs to the arithmetic sequence with first term 4 and common difference 7?

Question

a)is 2021 belongs to the arithmetic sequence with first term 4 and common difference 7? b)check whether 2021 is the difference of two terms of the above sequence.

Cora · Answer

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Madelyn

1. Simplify : {(7) 1/2 X (8) 1/2 X (21) 4/5 } / {(28) 1/2 X (9) 3/4 }

5x +
3y
=16 is the linear equation If x=2 they=y

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