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mel-nik [20]
3 years ago
8

Is 2/3(x-4)=1/3(2x-6) a identity

Mathematics
1 answer:
Finger [1]3 years ago
8 0
It is a property. Distributive property but they only multiplied in 2 instead of the whole fraction of (2/3). That is why the (x-4) changed to (2x-6) and the fraction is no longer 2/3 but 1/3.
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What is 5(n-1)=2(n-4)-6
Shalnov [3]

Answer:

Step-by-step explanation

6n - 6 = 2 (n+1)

Simplify 2 (n+1)

6n - 6= 2n +2

Move all terms related to n to the left side of the equation

4n -6 =2

Move all terms not related to n to the right side of the equation

4n =8

Divide each term by 4 then simplify

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5 0
3 years ago
Read 2 more answers
A bag contains five red marbles, fifteen black marbles, and ten white marbles. You pick one without looking. What is the probabi
aliya0001 [1]

Answer:

Step-by-step explanation:

5 red

15 black

10 white

altogether the is 30 marbles so that means it is 'out of'  30

and because the is 5 red it would be 5/30

and because the is 10 white it would be 10/30

that should be the answer but if you have to work the total all together then it would be 15/30

hope this helps :)

6 0
3 years ago
Write 81.9 as a mixed number.
Digiron [165]

Answer:

81 9/10

Step-by-step explanation:

6 0
3 years ago
Christine's gross monthly salary at her job
jonny [76]

Answer:

  $2587.87 per month

Step-by-step explanation:

The listed deductions are ...

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  • 5% goes into her retirement 401K account
  • $150 goes to health insurance/ dental for her family

The percentages have a total of ...

  25 +9.3 +6.2 +1.45 +0.9 +5 = 47.85 . . . percent

So, Christine's take-home pay is ...

  $5250(1 -0.4785) -150 = $2587.87 . . . per month

7 0
3 years ago
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Lostsunrise [7]

Answer:

-3e/2

Step-by-step explanation:

3 0
3 years ago
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