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Strike441 [17]
2 years ago
8

Hey y’all can u please give me the correct answer.

Mathematics
1 answer:
ANEK [815]2 years ago
7 0

Step-by-step explanation:

-8 - 6x < 1

Bringing like terms on one side

-6x < 1 + 8

-6x < 9

x < 9/-6

x < 3/-2

I think the correct answer is none

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Items produced by a manufacturing process are supposed to weigh 90 grams. The manufacturing procon
Annette [7]

Using the normal distribution, it is found that 0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.

In this problem:

  • The mean is of 90 grams, hence \mu = 90.
  • The standard deviation is of 1 gram, hence \sigma = 1.

We want to find the probability of an item <u>differing more than 3 grams from the mean</u>, hence:

Z = \frac{X - \mu}{\sigma}

Z = \frac{3}{1}

Z = 3

The probability is P(|Z| > 3), which is 2 multiplied by the p-value of Z = -3.

  • Looking at the z-table, Z = -3 has a p-value of 0.0013.

2 x 0.0013 = 0.0026

0.0026 x 100% = 0.26%

0.26% of the items will either  weigh less than 87 grams or more than  93 grams.

For more on the normal distribution, you can check brainly.com/question/24663213

4 0
2 years ago
Can someone help with this question? thanks
Licemer1 [7]

Answer:

Regular: C & E

Irregular: A & B

Not a polygon: F & D

Step-by-step explanation:

A polygon is a close sided shape with no curves. Since F and D have curves they are not polygons. Regular polygons have side lengths which are all equal to each other. C and E are regular polygons. Irregular polygons are polygons whose sides have different values from each other. A and B are irregular.

7 0
3 years ago
There are 135 people in a sport centre.
nirvana33 [79]

Answer:

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7 0
1 year ago
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Brent needs to paint a logo made using two right triangles. The dimensions of the logo are shown below. What is the difference b
Advocard [28]
The difference of the area of the two right triangles is 33.0 cm^2.
5 0
3 years ago
What is the solution to 4(s – 3) – 4= 4+8(2 – s)?<br> Enter your answer in the box.<br> S=
zubka84 [21]

Answer:

11

Step-by-step explanation:

4(s-3)-4=4+8(3)

=4+24

=28

4s-12-4=28

4s-16=28

4s=28+16

4s=44

s=44/4

s=11

4 0
3 years ago
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