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LekaFEV [45]
3 years ago
6

The general term for the sequence 3/4,6/5,9/6,12/7,15/8

Mathematics
1 answer:
Ronch [10]3 years ago
3 0

Answer:

B . \frac{3 n}{n+3}

Step-by-step explanation:

<u>Arithmetic sequence</u>:-

Step1:

Given sequence is \frac{3}{4} ,\frac{6}{5} ,\frac{9}{6} ,\frac{12}{7} ,\frac{15}{8}

Above sequence taking numerator terms

3,6,9,12,15 are in arithmetic progression

First term a= 3 and difference d = 3

now n t h term of given sequence is

t_{n} =a+(n-1)d

now substitute a =3 and d=3

t_{n} = 3+(n-1)3 = 3+3 n-3=3n

Step2:-

Above sequence taking denominator

4,5,6,7,8...

here a=4 and d=1

t_{n} =a+(n-1)d

t_{n} =4+(n-1)1

t_{n}=3+n

Final answer is the general term of given sequence is

t_{n} = \frac{3n}{3+n}

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Find the first five terms of the sequence given by a 1 = 2, a n = 3 a n -1 - 1.
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2, 5, 14, 41, 122

Step-by-step explanation:

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Katie is buying a refrigerator for her apartment. She's choosing between a regular fridge and a gigantic fridge . She notices th
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Answer:

Volume of the gigantic fridge is 2.5 times the volume of regular fridge.

Step-by-step explanation:

This question is incomplete; here is the complete question.

Katie is buying a refrigerator for her apartment. She's choosing between a regular fridge and a gigantic fridge (details are shown in the table below). She notices that the gigantic fridge costs 3 times as much as the regular fridge.

How many times as great is the volume of the gigantic fridge as the volume of the regular fridge?  

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Regular Fridge: 1m² / 2m / $200

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Height of the regular fridge = 2m

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Area of the base of the large fridge = 2m²

Height of the large fridge = \frac{5}{2}m

Volume of the large fridge = \frac{5\times 2}{2} = 5m³

Ratio of the volumes of the large and regular fridge = \frac{5}{2}=2.5:1

Therefore, volume of the gigantic fridge is 2.5 times the volume of regular fridge.

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Answer:

y = -4

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