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Umnica [9.8K]
3 years ago
8

Which is the simplified form of the expression 12n-1/2(6n-4)

Mathematics
2 answers:
svet-max [94.6K]3 years ago
7 0
The simplified for is 9n+2
djyliett [7]3 years ago
6 0

Let's simplify step-by-step.
12n−1/2(6n−4)
Distribute:
=12n+−3n+2
Combine Like Terms:
=12n+−3n+2
=(12n+−3n)+(2)
=9n+2
Answer:
=9n+2
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mylen [45]

Answer:

6, 21, and 23 inches

Step-by-step explanation:

The perimeter of a triangle is equal to the sum of all side lengths in that triangle. We're given the perimeter as 50 inches, and the side lengths as n, 3n + 3, and 2n + 11.

  • This means that we can algebraically solve the equation n + 3n + 3 + 2n + 11 = 50

Step 1: Combine like terms.

  • (n+3n+2n) + (3+11) = 50
  • 6n + 14 = 50

Step 2: Subtract 14 from both sides.

  • 6n + 14 - 14 = 50 - 14
  • 6n = 36

Step 3: Divide both sides by 6.

  • 6n/6 = 36/6
  • n = 6

Step 4: Plug in the value of n as 6 in each side.

  • (6) + (3(6) + 3) + (2(6)+11) = 50
  • (6) + (18+3) + (12+11) = 50
  • (6) + (21) + (23) = 50  

Therefore, the side lengths are 6, 21, and 23 inches.

Have a lovely rest of your day/night, and good luck with your assignments! ♡

6 0
2 years ago
Each marble bag sold by Josh's Marble Company contains 7 yellow marbles for every 5 red marbles. If a bag has 25 red marbles, ho
elixir [45]
5 red : 7 yellow
25 red: ? Yellow

5 x 5 is 25 therefore the multiplier is 5
We multiply 7 by 5 which is 35

Therefore 24 red : 35 yellow

35 yellow marbles
8 0
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Answer:

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Step-by-step explanation:

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Answer:

The answer is, x≥0

I'm assuming this was a multiple choice question as I had to do the same question a few months ago, so in that case, you would select A: x≥0 .

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