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azamat
2 years ago
6

2/5 + m = 5/6 Im stuck on that please help.

Mathematics
2 answers:
natima [27]2 years ago
7 0

Answer:

m = 13/30

Step-by-step explanation:

2/5 + m = 5/6

m + 2/5 = 5/6

m + 2/5 - 2/5 = 5/6 - 2/5

m = 13/30

mash [69]2 years ago
7 0

Answer:

M = 13/30

Step-by-step explanation:

2/5 + m = 5/6

Subtract 2/5 from both sides

m = 13/30

Hope its right

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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
What is the name of the period that has the digits 751 in the number 751,486
Rama09 [41]
Seven hundred and fifty one thousand 

I hope this helps
3 0
3 years ago
Factoring with Algebra Tiles Represent the quadratic polynomial 2x2 + x – 6 using algebra tiles and determine the equivalent fac
Nezavi [6.7K]

Answer:

Two zero pair

f(x)=(2x-3)(x+2)    

Step-by-step explanation:

We are given the following quadratic equation:

f(x) = 2x^2+x-6

Since, this a quadratic equation we would have two zero pairs for this model.

Factored form of polynomial:

f(x) = 2x^2+x-6\\f(x)=2x^2+ 4x -3x -6\\f(x)=2x(x+2)-3(x+2)\\f(x)=(2x-3)(x+2)

is the required factored form of the given polynomial.

6 0
3 years ago
12 = 6(n – 7)<br> Solve 2 -step equation
madam [21]

Answer:

9 = n

Step-by-step explanation:

12 = 6(n – 7)

Divide by 6 on both sides

12/6 = 6/6(n – 7)

2 = n-7

Add 7 to each side

2+7 = n-7+7

9 = n

4 0
3 years ago
Read 2 more answers
Is 5/8 closer to 0,1/2, or 1
Rina8888 [55]


0= 0/8

1/2= 4/8

1= 8/8

5/8 is closer to 1/2.

4 0
2 years ago
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