Answer:
12000 will be the price of machine after 1year.
Step-by-step explanation:
As i got.
Answer:
a) 0.0137060668
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I not know b part.
30 I believe, sorry if I am wrong, I am bad at math and history.
Answer:
x = 9
Step-by-step explanation:
since the terms are in AP then there is a common difference between consecutive terms, that is
a₂ - a₁ = a₃ - a₂ ( substitute values )
x - 7 = 11 - x ( add x to both sides )
2x - 7 = 11 ( add 7 to both sides )
2x = 18 ( divide both sides by 2 )
x = 9
To solve this problem just do the following,
x+9=-12
-9 -9
x=-21
Check
-21+9=-12 = True
Hope this helps!=)
