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r-ruslan [8.4K]
3 years ago
7

Help me solve the Inequality Word Problem and solve ?

Mathematics
1 answer:
viktelen [127]3 years ago
5 0
Let x represent the number
.. 1 +3x . . . . . . one more than three times a number
.. x -5 . . . . . . . the number decreased by 5

.. 1 +3x < x -5 . . . . the relation specified by the problem statement
.. 2x < -6 . . . . . . . subtract x+1
.. x < -3 . . . . . . . . . divide by the coefficient of x. (Positive, so < stays the same.)

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How many pages should the manufacturer advertise for each cartridge if it wants to be correct 99% of the time
PolarNik [594]

The manufacturer should advertise 13811 pages for each cartridge if it wants to be correct 99% of the time

z-score is the number of standard deviations from the mean value of the reference population

99%=0.99

The z-value associate with 0.99 is 2.33:

2.33 = (X - 12425) / 595:

X - 12425 = 2.33 * 595

X = (2.33 * 595) + 12425

X = 138111

Therefore, The manufacturer should advertise 13811 pages for each cartridge if it wants to be correct 99% of the time

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1 year ago
What’s the area of a circle with a diameter of 4
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Answer:

4\pi ≈ 12.57 units squared

Step-by-step explanation:

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Remember that diameter is twice the radius, so since the diameter equals 4, we know that the radius r = 4/2 = 2.

Now, plug this in: A=\pi *2^2=4\pi

We can round 4pi to 12.57 units squared.

Hope this helps!

7 0
3 years ago
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Step-by-step explanation:

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The answer should be:
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