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SSSSS [86.1K]
3 years ago
10

If 1/2x +1/2(1/2x + 1/2(1/2x +1/2(1/2x + ... = y, then x=?

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
4 0

y=\dfrac{1}{2}x+\dfrac{1}{2}\left(\dfrac{1}{2}x+\dfrac{1}{2}\left(\dfrac{1}{2}x+\ldots \Longleftrightarrow y=\dfrac{1}{2}x+\dfrac{1}{2}y


y=\dfrac{1}{2}x+\dfrac{1}{2}y\\\\
2y=x+y\\\\
\boxed{x=y}

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Answer: lower bound = 9550

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

Since the number is rounded to the nearest hundred, the actual value is somewhere between 9550 (which rounds up to 9600) and 9649 (which rounds down to 9600).

The lower bound is: 9550

The upper bound is: 9649

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2 years ago
If y is 5 when x is 2.5 and y varies directly with x, find y when x is 10
ikadub [295]

Answer:

If x varies directly as y, then x=ky. y=5 and x=2.5 are substituted into x=ky to find k.

2.5=5k

k=2.5/5

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x=5y

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8 0
3 years ago
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<span>(y-7) = 3/5 (x+25)^2 so the y intercept is -7 and the vertex is 35

</span>
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