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wlad13 [49]
3 years ago
7

What is the solution to the equation? √x+3=12

Mathematics
2 answers:
djyliett [7]3 years ago
5 0
<h3>Answer:</h3>

3

<h3>Step-by-step explanation:</h3>

\sf  \sqrt{x + 3 = 12}

\sf  =  \sqrt{x = 12 - 3}

\sf  =   \sqrt{x = 9}

\sf  =  \sqrt{9}

\sf  =  \sqrt{3 \times 3}

= 3

Paha777 [63]3 years ago
3 0

Answer:

x = 81

Step-by-step explanation:

Combine like terms:  √x+3=12 becomes √x+3- 3= 12 - 3, or √x = 9.

Square both sides to obtain x:  x = 81

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Slav-nsk [51]

Answer:

  1. (√30 - 1, 0)
  2. (-√30 - 1, 0)

Step-by-step explanation:

Making the equation of the parabola :

⇒ y = a(x - h)² + k

⇒ y = (x + 1)² - 17 - 13

⇒ y = (x + 1)² - 30

x-intercepts have y = 0 :

  • 0 = (x + 1)² - 30
  • (x + 1)² = 30

Taking the square root on each side :

  • √(x + 1)² = √30
  • x + 1 = ±√30
  • x = ±√30 - 1

The x-intercepts are :

  1. (√30 - 1, 0)
  2. (-√30 - 1, 0)
7 0
2 years ago
Which expression represents the factored form of 6x^{2}-13x-5?
Leni [432]

Answer:(2x - 5)(3x + 1)

Step-by-step explanation:

6x^2 - 13x - 5

6x^2 + 2x - 15x - 5

2x (3x + 1) - 5 (3x + 1)

(2x - 5)(3x + 1)

7 0
3 years ago
Type 11/5 in the simplest form
aleksklad [387]

Answer:

2\frac{1}{5}

Step-by-step explanation:

11 ÷ 5 = 2 R 1 → 2\frac{1}{5}

Hope this helps! :)

7 0
3 years ago
Find 4+ (-1 2/3). Write your answer in simplest form.
kramer

Answer:

The answer is -5 1/3

Step-by-step explanation:

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Use the interior angles theorem for the triangles I hope my answer helped if you have any questions don't be afraid to ask <span>(o^▽^o) <3</span>

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3 years ago
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