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Brut [27]
3 years ago
11

Find soluton to x^2-14x+49=25

Mathematics
1 answer:
Artyom0805 [142]3 years ago
6 0

\boxed{x=12 \ and \ x=2}

<h2>Explanation:</h2>

In this exercise, we have the following equation:

x^2-14x+49=25

We can write this Quadratic Equation in Standard Form as follows:

x^2-14x+49=25 \\ \\ Subtract \ 25 \ from \ both \ sides: \\ \\ x^2-14x+49-25=25-25 \\ \\ x^2-14x+24=0 \\ \\

So this is a Non-perfect Square Trinomial. To factor out this, let's choose two numbers such that:

  • The sum is -14
  • The product is 24

Those numbers are:

  • -12 and -2
  • SUM: -12-2 = -14
  • PRODUCT: (-12)(-2)=24

So we can write this as:

x^2 + (a + b)x + ab=(x + a)(x + b) \\ \\ a=-12 \\ b=-2 \\ \\  x^2-14x+24=(x-12)(x-2)=0 \\ \\ So \ the \ solutions \ are: \\ \\ \boxed{x=12 \ and \ x=2}

<h2>Learn more:</h2>

Quadratic Ffrmua: brainly.com/question/10188317

#LearnWithBrainly

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Kaya devoted 2/5 of her study time to mathematics, 3/20 of her time to social studies, 1/3 of her time to chemistry and the rema
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Answer:

  54 minutes

Step-by-step explanation:

The sum of fractions is ...

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Then the 42 minutes devoted to English represents 1 - 53/60 = 7/60 of her study time.

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On 12th day Rosita will walk all three dogs

<em><u>Solution:</u></em>

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Today she walked all three dogs

<em><u>To find: the day when she walked all three dogs</u></em>

From given question,

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Buddy is walked every fourth day:  4

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To find the day when she walked all three dogs, we have to find the least common multiple (LCM) of 2, 4, 3

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Prime Factorization of 3 shows:

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