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3 years ago

Which of the following is not an ordered pair from the function f(x) = 5x-6

Mathematics

2 answers:

N76 [4]3 years ago

6 0

Answer:

5,19 is the answer

Thats the only answer i would think it would be

STatiana [176]3 years ago

3 0

Answer:

Step-by-step explanation:

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A car salesperson sells a car for $21,000. She receives a 5.25% commission on the sale of the car.

valkas [14]

She receives $1,102.50 for commission. All you need to do to solve this problem is multiply the amount given by the percentage as a decimal.

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At the movie theater, child admission is $5.10 and adult admission is $9.50. On Monday, 173 tickets were sold for a total sales

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4 years ago

The average lifetime of a certain new cell phone is 3.4 years. The manufacturer will replace any cell phone failing within three

melisa1 [442]

Answer:

68% of these phones last 3.87 years.

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

The probability that x is lower or equal to a is given by:

$P(X \leq x) = \int\limits^a_0 {f(x)} \, dx$

Which has the following solution:

$P(X \leq x) = 1 - e^{-\mu x}$

The probability of finding a value higher than x is:

$P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}$

The average lifetime of a certain new cell phone is 3.4 years.

This means that $m = 3.4, \mu = \frac{1}{3.4} = 0.2941$

$P(X \leq x) = 1 - e^{-0.2941x}$

68% of these phones last how long (in years)?

This is x for which:

$P(X \leq x) = 0.68$

$P(X \leq x) = 1 - e^{-0.2941x}$

Then

$0.68 = 1 - e^{-0.2941x}$

$e{-0.2941x} = 0.32$

$\ln{e{-0.2941x}} = \ln{0.32}$

$-0.2941x = \ln{0.32}$

$x = -\frac{\ln{0.32}}{0.2941}$

$x = 3.87$

68% of these phones last 3.87 years.

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3 years ago

What is 114% of 3200? Round to the nearest hundredth.

LenaWriter [7]

The answer is 3,648.

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4 years ago

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PLEASE HELP THIS IS DUE TODAY!!

AnnyKZ [126]

while excluding 0, the product and quotient is positive if operating between same sign, otherwise if we operating different sign will resulted negative.

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3 years ago