3 years ago

Write 9/8 in atleast 3 different ways as a sum of fractions

Mathematics

1 answer:

Vlad1618 [11]3 years ago

7 0

Answer:

1/8+1 OR 1/8 +8/8

2/8+7/8 OR 1/4+7/8

3/8+6/8 OR 3/8+3/4

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Write the sum of 18+36 as the product of their GCF and another sum.

Orlov [11]

18 + 36 = 18(1+2)

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3 years ago

A mechanic sells a brand of automobile tire that has a life expectancy that is normally distributed, with a mean life of 27 com

Harrizon [31]

Answer:

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 27,000 miles

Standard Deviation, σ = 2100 miles

We are given that the distribution of life expectancy is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.10

$P( X < x) = P( z < \displaystyle\frac{x - 27000}{2100})=0.10$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 27000}{2100} = -1.282\\\\x = 24307.8$

Tires that wear out by approximately 24307.8 miles will be replaces free of charge.

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3 years ago

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Answer:

Step-by-step explanation:

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