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Genrish500 [490]
4 years ago
12

Please halp! What is the value of x in the equation 13 x-2(8 + 5 x) = 12-11 x?

Mathematics
2 answers:
laiz [17]3 years ago
8 0

Are you good in the brain im your teacher and i see that you are trying to cheat

bazaltina [42]3 years ago
7 0

Answer:

Step-by-step explanation:

13x - 2 (8 + 5x) = 12 - 11x

You first have to distribute the parentheses...(which gives you...)

13x - 16 - 10x = 12 - 11x

Then you put the variables together...(which gives you...)

24x - 16 - 10x = 12

Then you add the rest of the variables... (which gives you)

34x - 16 = 12

After that, you add the "normal" numbers...(which gives you...)

34x = 28

Finally you divide them...(which gives you...)

     28             ( 28/34)

---------------

    34

(I think this is the answer, i did it on the computer so its hard, sryyy)

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Find the sum of the first 10<br> terms.<br> 40,37,34,31,...
MArishka [77]

Answer:

It seems each number is 3 less than the previous number.

We must sum these 10 numbers

40, 37, 34, 31, 28, 25, 22, 19, 16, 13

The sum would equal the average of the middle 2 numbers times 10.

(28 + 25) / 2 = 53 / 2 = 26.5

We multiply by 10 because there are 10 numbers and this equals

265

Step-by-step explanation:

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4 years ago
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postnew [5]
To find the average number of books donated per month, we first get the total number of books that Eric has donated within the span of (8 - 3) = 5 months. Since from 157 books, there were only 102 books left after 5 months, that means he has donated (157 - 102) = 55 books. That means that he has donated 55 books within the span of 5 monhs. Thus, the average number of books would be equal to (number of books) / (number of months) = 55 / 5 = 11 books per month. <span>Answer: 11 books</span>
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The answer should be C
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4 years ago
draw hundred boxes, ten sticks, and circles to show a number between 100 and 200. what number did you show?
mafiozo [28]
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janice invests a total of 8000 in two different accounts. the first account returns 5%, while the second account returns 8%. if
Zinaida [17]

Answer:

"She invested $2500 in 5% account and $5500 in 8% account"

Step-by-step explanation:

Let the amount invested in 5% account be "x"

So, the amount invested in 8% account would be "8000 - x"

Interest amount is the percentage multiplied by amount invested. So

Interest of 5% account = 5% of x = 0.05x

Interest of 8% account = 8 % of 8000 - x = 0.08(8000 - x)

Total interest is the sum of these 2 expressions that EQUATES to 565 (given). Let's solve for x:

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and thus,

"8000 - x" = 8000 - 2500 = 5500

Hence,

She invested $2500 in 5% account and $5500 in 8% account

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