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denis-greek [22]

3 years ago

9

Answer i will brainlist

2 answers:

djyliett [7]3 years ago

8 0

Answer:

flour:

20

35

40

liquid:

12

21

24

Step-by-step explanation:

n200080 [17]3 years ago

6 0

First blank is 12

second blank is 30

3rd blank is 40

Step-by-step explanation:

5 to 3 to get 12 you have to seee how many times you have to multiply 5 by to get 20 in this case it is 4. SO then you multiply 3 by 4 to 12 for liquid. Same steps to get the other answers.

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Find the general term of {a_n}

Assoli18 [71]

From the given recurrence, it follows that

$a_{n+1} = 2a_n + 1 \\\\ a_{n+1} = 2(2a_{n-1} + 1) = 2^2a_{n-1} + 1 + 2 \\\\ a_{n+1} = 2^2(2a_{n-2}+1) + 1 + 2 = 2^3a_{n-2} + 1 + 2 + 2^2 \\\\ a_{n+1} = 2^3(2a_{n-3} + 1) + 1 + 2 + 2^2 = 2^4a_{n-3} + 1 + 2 + 2^2 + 2^3$

and so on down to the first term,

$a_{n+1} = 2^na_1 + \displaystyle \sum_{k=0}^{n-1}2^k$

(Notice how the exponent on the 2 and the subscript of <em>a</em> in the first term add up to <em>n</em> + 1.)

Denote the remaining sum by <em>S</em> ; then

$S = 1 + 2 + 2^2 + \cdots + 2^{n-1}$

Multiply both sides by 2 :

$2S = 2 + 2^2 + 2^3 + \cdots + 2^n$

Subtract 2<em>S</em> from <em>S</em> to get

$S - 2S = 1 - 2^n \implies S = 2^n - 1$

So, we end up with

$a_{n+1} = 4\cdot2^n + S \\\\ a_{n+1} = 2^2\cdot2^n + 2^n-1 \\\\ a_{n+1} = 2^{n+2} + 2^n - 1 \\\\\implies \boxed{a_n = 2^{n+1} + 2^{n-1} - 1}$

5 0

3 years ago

-2(x-4)-3x<-(4x+1)+2x

Pepsi [2]

The solution to this equation is: x<7

6 0

3 years ago

Which type of line of symmetry does the figure have? vertical horizontal diagonal none

Natali [406]

your answer would be that the sematry would be vertical semmetry

3 0

4 years ago

I need help with this PLZ!!!!!!!

garri49 [273]

Answer:

3. 91.125

4. 30.375

Step-by-step explanation:

just multiply all of the sides

MARK ME BRAINLIEST

3 0

3 years ago

Read 2 more answers

Andy’s goal for the week is to run 19 miles. he ran 6.19 miles between monday and friday. he ran 3.1 miles on saturday. how many

tatiyna

Answer:

9.71 miles

Step-by-step explanation:

total miles he ran = 6.19 + 3.1 = 9.29

Target = 19 miles

Goal for sunday = 19 - 9.29 = 9.71

5 0

3 years ago