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wolverine [178]
3 years ago
11

3 x^2 +30 x +75 factored completely

Mathematics
1 answer:
Fofino [41]3 years ago
4 0

Answer:

3(x + 5)²

Step-by-step explanation:

3x² + 30x + 75

3[x² + 10x + 25]

3[x² + 5x + 5x + 25]

3[x(x + 5) + 5(x + 5)]

3[(x + 5)(x + 5)]

3(x + 5)²

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KiRa [710]

the graph is decreasing

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3 years ago
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A four sectioned spinner is numbered 1-4. What is the probability you spin a 2, and then a 4?
Vera_Pavlovna [14]

Answer:

1/4 25%

Step-by-step explanation:

The spinner has 4 sides so the denomination is 4 and you are trying to get one of the 4 sides each so it would be a 1/4 chance for both answers so 25%

5 0
3 years ago
PLEASE HELP!!<br><br> What is the slope of the line on the graph?
Amanda [17]

Answer:

Slope = (-1/3)

Step-by-step explanation:

Point 1: (-6, 6); Point 2: (6, 2)

            (x₁, y₁)                (x₂, y₂)          

        y₂ - y₁         2 - 6          -4            -4 ÷ 4         -1

m = ------------ = ----------- = ---------- = -------------- = -------

        x₂ - x₁        6 - (-6)      6 + 6        12 ÷ 4           3

y - y₁ = m(x - x₁)

y - 6 = (-1/3)(x + 6)

y - 6 = (-1/3)x - 2

   +6              +6

-------------------------

y = (-1/3)x + 4

I hope this helps!

8 0
1 year ago
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Solve 5x – 2 = 13 show your work
aniked [119]

Answer:

x = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

5x - 2 = 13

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 2 on both sides:                    5x = 15
  2. Divide 5 on both sides:                 x = 3
6 0
3 years ago
Write the equation for this line in intercept form.
STALIN [3.7K]

Answer:

y=(2/3)x-1

Step-by-step explanation:

The slope is (1-(-1))/(3-0) = 2/3

And the y intercept is -1,

Therefore: y=(2/3)x-1

4 0
3 years ago
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