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IRINA_888 [86]
3 years ago
15

The expression 3(x-9) is equivalent to 3(x)+9 3(x)+3(9) 3(x)-9 3(x)-3(9)

Mathematics
2 answers:
KatRina [158]3 years ago
8 0

Answer: 3(x)-3(9)

Step-by-step explanation:

The distributive property says that we can multiply a sum by multiplying each addend individually and then plus the results.

i.e. a(b+c)=ab+ac, where a , b and c are any arbitrary numbers.

The given expression : 3(x-9)

By using distributive property , it can be written as:

3(x)-3(9)

Hence, The expression 3(x-9) is equivalent to  3(x)-3(9).

ollegr [7]3 years ago
6 0

3(x-9)

 when you distribute the equation you get

3(x)-3(9) which is the last answer

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Bas_tet [7]

Answer:

Answer:

first quartile of this data set is 13

Step-by-step explanation:

11, 12, 13, 15, 17, 19, 22, 24, 29, 33, 38

First we find the median for the given set of numbers

Median is the middle number

11, 12, 13, 15, 17, 19, 22, 24, 29, 33, 38

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First quartile is the median of the set of numbers below 19

third quartile is the median of the set of number above 19

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Median of 11, 12, 13, 15, 17 is 13

So first quartile of this data set is 13

Read more on Brainly.com - brainly.com/question/10309251#readmore

Step-by-step explanation:

5 0
3 years ago
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mel-nik [20]

c = -6

a = -3/2

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Step-by-step explanation:

<h2>#1</h2>

5(c + 2) = -20

5c + 10 = -20

5c = -20 - 10

5c = -30

<u>c = -6</u>

<h2>#2</h2>

12a + 5 - 8a = -1

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4a = -1 - 5

4a = -6

a = (-6)/4

<u>a = -3/2</u>

<h2>#3</h2>

m - 3 - 6m = -27

-5m - 3 = -27 → (times -1)

5m + 3 = 27

5m = 27 - 3

5m = 24

<u>m = 24/5</u>

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