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Nostrana [21]
3 years ago
10

3 (2x - 5) + 20 + 5x i need help

Mathematics
1 answer:
igomit [66]3 years ago
5 0

Answer:

<h2>11x - 5</h2><h2>   or</h2><h2>x = -5 / 11</h2>

Step-by-step explanation:

3 (2x - 5) + 20 + 5x

= 6x - 15 + 20 + 5x

= 6x + 5x = 15 - 20

= 11x - 5

or if you are looking for x:

then x = -5 / 11

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3 years ago
Find the mode of the data set: 9 6 7 3 10 9
Phoenix [80]

Answer:

9

Step-by-step explanation:

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3 years ago
What is the area of the triangle?<br> 9 4 12
LUCKY_DIMON [66]

Answer:

  13.636

Step-by-step explanation:

The area can be found using Heron's formula:

  A = √(s(s-a)(s-b)(s-c))

where s=(a+b+c)/2.

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The area of the triangle is about 13.636 square units.

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