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nika2105 [10]
3 years ago
12

In 12 years megan will be four times as old as she was 15 years ago. How old is she now?

Mathematics
2 answers:
Crank3 years ago
7 0

Answer:

x + 12 = 4 * (x - 15) --> x = 24


Arturiano [62]3 years ago
4 0

Answer:

Megan is 24 years old.

Step-by-step explanation:

Let her be x years old now.

x + 12 = 4(x - 15)

x + 12 = 4x - 60

72 = 3x

x = 24.  (answer).

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patriot [66]

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<u>to each other </u>

<u />

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

Let us firstly assume that  7 + 7x is equivalent ( to 7(x + 1/7) so that means

7 + 7x = 7(x + 1/7)

7 + 7x = 7x + 7(1/7)

7 + 7x = 7x + 1

7x + 7 = 7x + 1

Now, subtracting 7x from both sides, we get:

7x - 7x + 7 = 7x - 7x + 1

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Thus we can say that

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5 0
3 years ago
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5 0
3 years ago
What is the vertex of f(x)=x2−8x+15 ?
mr_godi [17]

Answer:

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Liula [17]

Answer:

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3 0
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