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Dahasolnce [82]
3 years ago
11

Help and please make sure it’s right?

Mathematics
2 answers:
Vlad [161]3 years ago
6 0

Answer:

-10 or 4

Step-by-step explanation:

Marina CMI [18]3 years ago
5 0

Answer:

-9

Step-by-step explanation:

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A company manager for a tire manufacturer is in charge of making sure there is the least amount of defective tires. If the tire
Anestetic [448]

Answer:

0.347% of the total tires will be rejected as underweight.

Step-by-step explanation:

For a standard normal distribution, (with mean 0 and standard deviation 1), the lower and upper quartiles are located at -0.67448 and +0.67448 respectively. Thus the interquartile range (IQR) is 1.34896.

And the manager decides to reject a tire as underweight if it falls more than 1.5 interquartile ranges below the lower quartile of the specified shipment of tires.

1.5 of the Interquartile range = 1.5 × 1.34896 = 2.02344

1.5 of the interquartile range below the lower quartile = (lower quartile) - (1.5 of Interquartile range) = -0.67448 - 2.02344 = -2.69792

The proportion of tires that will fall 1.5 of the interquartile range below the lower quartile = P(x < -2.69792) ≈ P(x < -2.70)

Using data from the normal distribution table

P(x < -2.70) = 0.00347 = 0.347% of the total tires will be rejected as underweight

Hope this Helps!!!

6 0
3 years ago
5=1/3(2x+12)<br><br> Solve for X in simplest form
garik1379 [7]

9514 1404 393

Answer:

  x = 3/2

Step-by-step explanation:

Multiply by 3 and solve the resulting 2-step equation.

  5 = (1/3)(2x +12)

  15 = 2x +12 . . . . . . multiply by 3

  3 = 2x . . . . . . . . . . subtract 12

  3/2 = x . . . . . . . . . . divide by 2

4 0
3 years ago
Given two points on a line, write the equation of the line in slope intercept form. The points are (-4,10), (6,5). Please show a
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The slope is 1/2.
The y-intercept is 8.

Here is the equation:

y=1/2x+8

I hope this helps c:
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To complete the square, how do you find the value that must be added to the expression to make a perfect square trinomial? What
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Take half of the coefficient of x (which is 2/5) and square it:

[ (1/2)(2/5) ]^2 = (1/5)^2 = 1/25, or 0.04

Thus, to rewrite x^2 + (2/5)x to include a perfect square trinomial,

x^2 + (2/5)x  = x^2 + (2/5)x + (1/5)^2 - (1/5)^2, or

                 (x+1/5)^2 - (1/5)^2, or (x + 1/5)^2 - 1/25
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3 years ago
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Lab tests of a new drug indicate a 70% success rate in completely curing the targeted disease. The doctors at the lab created th
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Answer: 30%?

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