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Kruka [31]
3 years ago
8

oint) Solve the following inequality. Enter the answer in interval notation. 10x - 5 < -10(8x - 2)+3 Answer: Note: If the ans

wer includes more than one interval, write the intervals separated by the "union" symbol, U. If needed, enter \infty as infinity and -\infty as -infinity.
Mathematics
1 answer:
nevsk [136]3 years ago
6 0
10x - 5 < - 10(8x - 2) + 3 \\ 10x < - 80x + 20 + 8 \\ 90x < 28 \\ x < \frac{14} {45}\\x \in (-\infty,\frac{14}{45} )
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timofeeve [1]

Answer:

Step-by-step explanation:

Inverse variation is written as

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c=\frac{k}{t}

We are given the initial condition for which we need to solve for k:

c = 4 when t = 30:

4=\frac{k}{30} so

k = 120.

Now we will use that value of k to solve the problem of how many cavities, c, would she have if she brushed her teeth 120 seconds, t, each night:

c=\frac{120}{120} (the 120 on top is the k value and the 120 on the bottom is the number of seconds she brushed) to get

c = 1

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 Expression for percent of survey participants who chose fishing =

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Answer:

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Step-by-step explanation:

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