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Luba_88 [7]
3 years ago
12

Write y=2(x + 6)(x + 3) in standard form

Mathematics
1 answer:
Volgvan3 years ago
6 0

Answer:

y = 2x² + 18x + 36

Step-by-step explanation:

Given

y = 2(x + 6)(x + 3) ← expand the factors using FOIL

y = 2(x² + 9x + 18) ← distribute parenthesis by 2

  = 2x² + 18x + 36 ← in standard form

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**PLEASE HELP**
zepelin [54]
----------------------------------------------------------
Given information
----------------------------------------------------------
Area = 3x² + 14x + 8 
Length = x + 4

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Formula
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Area = Length x Width

----------------------------------------------------------
Find Width
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3x² + 14x + 8  = (x + 4) x width
width = (3x² + 14x + 8) ÷ (x + 4)
width =  (x+4)(3x+2) ÷ (x + 4)
width = 3x + 2

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Answer: The width is 3x + 2 (Answer C)
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5 0
3 years ago
To the nearest tenth, what is the perimeter of the triangle with vertices at (−2, 3), (3, 6), and (2, −2)?
katovenus [111]

9514 1404 393

Answer:

  20.3

Step-by-step explanation:

The distance formula can be used to find the side lengths.

  d = √((x2 -x1)^2 +(y2 -y1)^2)

For the first two points, ...

  d = √((3 -(-2))^2 +(6 -3)^2) = √(5^2 +3^2) = √34 ≈ 5.83

For the next two points, ...

  d = √((2 -3)^2 +(-2-6)^2) = √(1 +64) = √65 ≈ 8.06

For the last and first points, ...

  d = √((-2-2)^2 +(3-(-2)^2) = √(16 +25) = √41 ≈ 6.40

Then the sum of the side lengths is ...

  5.83 +8.06 +6.40 = 20.29 ≈ 20.3

The perimeter of the triangle is about 20.3 units.

7 0
3 years ago
Given the piecewise function shown below select all of the statements that are true please help
KengaRu [80]

Answer:

B and D

Step-by-step explanation:

Take a look at all the options x=4, 3, 1, 2 > 0

So, we just care about the domain where x>0, which is f(x)=x^{2}.

Then plug in x we will have the right answer.

5 0
3 years ago
Help plz:))) I’ll mark u brainliest
yKpoI14uk [10]

Answer:

x=8

Step-by-step explanation:

5x+14 = 6x+6

8=x or x=8

7 0
3 years ago
Read 2 more answers
Steve said that [5, 12) is the interval notation that represents the set of all real numbers greater than or equal to 5 and less
RideAnS [48]

Answer:

Steve

Step-by-step explanation:

Because it means greater than or equal to

3 0
3 years ago
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