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3 years ago

Division the following simply your answer

Mathematics

1 answer:

8_murik_8 [283]3 years ago

6 0

Answer:

1) 12 - 8/3 = ((12*3)-(8))/3 = 28/3

2) 10/ (4/7) = (10/1)*(7/4) = 70/4

3) 12/5 + 4/6 = ((5*4)+(12*6))/(5*6) = 46/15

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y = 2x - 1

Step-by-step explanation:

In an equation with the form y = mx + b, the slope is m. Because parallel lines have the same slope, the slope of the other line is also 2. Plug this back into the mx + b form to get y = 2x - 1.

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3 years ago

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3 years ago

If the life in years of a television set is normally distributed with a mean of 36 years and a standard deviation of 8 years wha

TiliK225 [7]

Answer:

The company should guarantee a lifetime of less than equal to 20.95 years so that less than 3% of the television sets fail while under warranty.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 36 years

Standard Deviation, σ = 8 years

We are given that the distribution of life of television sets 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 0.03.

$P( X < x) = P( z < \displaystyle\frac{x - 36}{8})=0.03$

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

$\displaystyle\frac{x - 36}{8} =-1.881\\\\x = 20.952\approx 20.95$

Thus, the company should guarantee a lifetime of less than or equal to 20.95 years so that less than 3% of the television sets fail while under warranty.

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3 years ago

Differentiate between interest and interest rate

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Answer:

<h3 /><h3>Interest:</h3>

Interest is the cost of borrowing money, and the money you earn from your savings.

<h3 /><h3>Interest rate</h3>

Interest rates indicate this cost or return as a percentage of the amount you are borrowing or lending (since you are “lending” your savings to the bank)

<h3>❤◍ jess bregoli ◍❤</h3>

#keep learning!!

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3 years ago

Division the following simply your answer​

Division the following simply your answer