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4 years ago

Write 8.379 as a mixed number

Mathematics

1 answer:

BaLLatris [955]4 years ago

5 0

8.379 as a mixed number is 8 and 379 over 1000.
379
8 --------
1000

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3 years ago

There are 60 students in a speech contest. Yesterday, 2/3 of them gave their speeches. Today, 3/5 of the remaining students gave

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Answer:

2\3x60=40

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3 years ago

Write a recursive formula and an explicit formula for the following arithmetic sequence: -1,6,13,20,27

Luden [163]

Answer:

Recursive formula is: $a_1=-1 ; \ \ a_n=a_{n-1}+7$

Explicit formula is: $a_n=7n-8$

Step-by-step explanation:

We need to find recursive formula and explicit formula for arithmetic sequence -1,6,13,20,27

In the given sequence First term a₁= -1

Common difference d = 7

Finding Recursive Formula

The recursive formula is of type: $a_1= First \ term$ and $a_n=a_{n-1}+d$

Since the First term a₁ is -1 and common difference d is 7 so, the recursive formula for given arithmetic sequence will be:

$a_1=-1 ; \ \ a_n=a_{n-1}+7$

Finding Explicit Formula

The explicit formula is of type: $a_n=a_1+(n-1)d$

We have

First term a₁= -1

Common difference d = 7

So, explicit formula will be:

$a_n=-1+(n-1)7\\a_n=-1+7n-7\\a_n=7n-8$

So, explicit formula is: $a_n=7n-8$

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3 years ago

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Step-by-step explanation:

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3 years ago

K over 6 plus 8 equals 5

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Answer:

k= -18

Step-by-step explanation:

k/6 +8=5 (subtract 8 from both sides)

k/6= -3 (Multiply by 6 on both sides)

k=-18

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3 years ago