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2 years ago

Can someone plz solve this for me??

Mathematics

1 answer:

Vilka [71]2 years ago

4 0

Answer: 672

Step-by-step explanation: The rule is simple: multiply the previous number by 3, 6 times. (4 x 3 = 12, 12 x 3 = 36, 36 x 3 = 108, 108 x 3 = 324, 324 x 3 = 672.

Hope this helps fam!

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Iam stuck on this problem and was wondering if anyone could help me

AlladinOne [14]

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7 0

3 years ago

given that a1=5 and a2=15 are the first two terms of a geometric sequence, determine the values of a3 and a10. Show the calculat

Alekssandra [29.7K]

a_3 is 45 and a_10 is 98415

Step-by-step explanation:

Given

a_1 = 5

a_2 = 15

First of all we have to calculate the common ratio of the sequence. The common ratio is the ratio between two consecutive terms of a geometric sequence.

So,

$r=\frac{a_2}{a_1} = \frac{15}{5} = 3$

The explicit formula for geometric sequence is:

$a_n = a_1.r^{n-1}$

Putting the value of r and a_1

$a_n = 5.(3)^{n-1}$

Putting n=3 in the explicit formula

$a_3 =5.3^{3-1}\\= 5 * 3^2\\=5 * 9\\= 45$

Putting n=10 for tenth term

$a_{10} =5.3^{10-1}\\=5*3^9\\=5 * 19683\\=98415$

Hence,

a_3 is 45 and a_10 is 98415

Keywords: Geometric sequence, Explicit formula

Learn more about geometric sequence at:

#LearnwithBrainly

7 0

3 years ago

What is the range of the function f(x)=7-3x when the domain is {-4, -2, 0, 2}?

klemol [59]

Answer:

{19,13,7,1}

Step-by-step explanation:

Since the domain is the input we have to plug in each of those numbers to get the range ( or the output.) When we plug in -4 we get 19. When we plug in -2 we get 13, when we plug in 0 we get 7 and when we plug in 2 we get 1. (:

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2 years ago

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777dan777 [17]

Answer:

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3 years ago

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