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Mandarinka [93]
3 years ago
13

Please help me with this sum​

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0

theres a thing called a calculator

solong [7]3 years ago
6 0

Answer:

you didn't have calculate for this question

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⎧
MrRissso [65]

Answer:

f(n)=-5-3n

Step-by-step explanation:

Given the recursive formula of a sequence

f(1)=−8

f(n)=f(n−1)−3

We are to determine an explicit formula for the sequence.

f(2)=f(2-1)-3

=f(1)-3

=-8-3

f(2)=-11

f(3)=f(3-1)-3

=f(2)-3

=-11-3

f(3)=-14

We write the first few terms of the sequence.

-8, -11, -14, ...

This is an arithmetic sequence where the:

First term, a= -8

Common difference, d=-11-(-8)=-11+8

d=-3

The nth term of an arithmetic sequence is determined using the formula:

T(n)=a+(n-1)d

Substituting the derived values, we have:

T(n)=-8-3(n-1)

=-8-3n+3

T(n)=-5-3n

Therefore, the explicit formula for f(n) can be written as:

f(n)=-5-3n

7 0
3 years ago
Rename 200 tens into hundreds
Arlecino [84]
2 hundreds be cause there are 2, and you are trying to find hundreths so take the first number
4 0
3 years ago
X+3-5x+7+4y simplify
Kisachek [45]
Combine like terms ,

-4x+4y+10
5 0
3 years ago
Find the value of y round your answer to the nearest tenth cos y y=8/13
Iteru [2.4K]

8/13 = 0.6153

y = cos-1(0.6153)

y = 52.0

I'm not totally sure if this is what you mean or if this is.

y = cos(8/13) = 0.9999 which to the nearest tenth is 1.0

7 0
3 years ago
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sergejj [24]
I think the answer is as
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2 years ago
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