PLEASE HELP ME ON THIS

Mathematics

1 answer:

Dmitry [639]4 years ago

4 0

The domain of the function is 80 to 180 because domain refers to the valid inputs of the function.

After receiving $42, the new domain (<em>that Albert can afford)</em> is from 80 to 147.

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Raymond was riding a zip-cable from the top of a viewing post. The cable is 65 yards long. The viewing post is 52 yards high and

grin007 [14]

In order to figure out the horizontal distance Raymond travels using his zip cable, we may simply apply Pythagoras theorem which is, for a right triangle:
hypotenuse² = base² + height²
base = √(hypotenuse² - height²)
base = √(65² - 52²)
base = 39 yards
Raymond will travel a horizontal distance of 39 yards.

3 0

3 years ago

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What is 20/12 in simplest form

Arisa [49]

1.6 repeating

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3 years ago

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A normal curve with mean = 25 has an area of .3531 between 25 and 34. What is the standard deviation for this normal curve?

Naddik [55]

Answer:

The desviation is 8 4/7 or 8.571

Step-by-step explanation:

The conversion for any variable X to a standard z is

$Z=\frac{X-\[Mu]}\\{\[Sigma]}$

where mu is the mean and sigma de desviation

You can find the value of Z whith the tables of the accumulated probability function. The accumulated probability for the mean is 0.5 .Remenber that the accumlated probability function represent the area at the left of an abscissa. Then

0.5+0.3531=0.8531

Acording to the accumulated probability function table, a Z=1.05 has an area of 0.8531 at its left.

Now it is only solving the equation

$\[Sigma]=\frac{X-\[Mu]}{Z}$