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IRISSAK [1]
3 years ago
12

Find the nTH term of this sequence: 15, 12, 9, 6

Mathematics
2 answers:
shtirl [24]3 years ago
4 0

Answer:

-3n + 18

Step-by-step explanation:

an = dn + (a - d)

The difference is -3.

The first term is 15.

an = -3n + (15- (-3))

an = -3n + 15 + 3

an = -3n + 18

Elden [556K]3 years ago
3 0

Answer:

aₙ= 18 -3n

Step-by-step explanation:

15, 12, 9, 6

Given AP with first term= 15 and common difference= -3

aₙ=a₁+(n-1)d= 15+(n-1)*(-3)= 15 - 3n+3= 18-3n

aₙ= 18 -3n

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The lot is <u>9.2% of the an acre.</u>

<u>Given:</u>

Area of an acre = 4840 sq. yards

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Convert the area of the lot to feet (9 ft^{2} = yd^{2}):

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The lot therefore is <u>9.2% of the an acre</u>.

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2 years ago
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3 years ago
Use the recursive formula to answer the question. What’s the 7th term in the sequence?
tensa zangetsu [6.8K]

Answer:

a7 = 36

Step-by-step explanation:

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