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muminat
3 years ago
7

NEED HELP ASAP GOT 5 MINUTES PLEASEEE!!!! WILL GIVE ANYTHING

Mathematics
1 answer:
arsen [322]3 years ago
4 0

<u>Answer</u>

129


<u>Explanation</u>

−3+6−12+24−...

The series is a geometric progression.

The first term (a) = -3

Common ration (r) = 6/-3

                          = -2

The formula for getting the sum of a geometric progression is

Sum = a(rⁿ - 1)/(r - 1)

          = -3(-2⁷ - 1)/(-2 - 1)

          = -3(-128-1)/-3

            = (-3 × -129)/-3

              = -129

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Write an expression for the calculation add 3 and 8 and then multiply by 9
melisa1 [442]

Hey there!

Basically it wants you to add 3 and 8 from each other, what ever the answer to that part, you multiply the result by 9

Here this is what i meant

3 + 8 = 11 \\ 11 ( 9) = 99

Or you could do this method too!

(3 +8) (9) \\ \\ 3 + 8 = 11 \\ 11(9) \\ = 99

They both give you the result of 99

So, I am assuming your expression would look like this: (3 + 8) * 9

Good luck on your assignment and enjoy your day!

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5 0
3 years ago
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At a store each notebook has a cost of X dollars. which situation can be represented by this inequality​
nadezda [96]

Answer:

a

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3 years ago
Write 9,540,000 in expanded form using exponents to show powers of 10
krek1111 [17]

Answer:

9* 10^{6}+ 5* 10^{5}+4* 10^{4}.

Step-by-step explanation:

Given  :  9,540,000

To find : Write 9,540,000 in expanded form using exponents to show powers of 10.

Solution : We have given 9,540,000

Here 9 is at million place 9000000

5 is at hundred thousand place = 500,000.

4 is at tens thousand place = 40,000

We expanded it as

9, 000,000 + 500,000+40,000.

In term of power of 10.

9* 10^{6}+ 5* 10^{5}+4* 10^{4}.

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9* 10^{6}+ 5* 10^{5}+4* 10^{4}.

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What is the mean absolute deviation of the following set of data 10 4 12 4 2 10 10 6
mart [117]

The mean absolute deviation of the given data 10, 4, 12, 4, 2, 10, 10, 6 is 3.1875.

According to the given question.

The given data set is

10, 4, 12, 4, 2, 10, 10, 6

Mean of the given data set  

= (10 + 4 +  12 + 4 + 2 + 10 + 10 + 6)/8

= 7.25

Now, the absolute values are:

|10 - 7.25| = 2.75

|4 - 7.25| = 3.25

|12 -7.25| = 4.25

| 4 - 7.25| = 3.25

| 2 - 7.25| = 5.25

| 10 - 7.25| = 2.75

| 10 - 7.25| = 2.75

| 6 - 7.25| = 1.25

The average of all absolute values

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Find out more information about mean absolute deviation here:

brainly.com/question/10528201

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