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3 years ago

What’s the slope of (5,9) and (8,4)

Mathematics

2 answers:

Mila [183]3 years ago

8 0

The answer is -5/3 it shows it in the picture

Allushta [10]3 years ago

4 0

Answer: -5/3

Step-by-step explanation:

Use the slope formula: $\frac{y_{2}-y_1 }{x_2-x_1}$

You substitute the numbers in and subtract to get -5/3.

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A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of

Studentka2010 [4]

Answer:

The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

Step-by-step explanation:

A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of 8 dollars.

$Mean = \mu = 87$

Standard deviation = $\sigma = 8$

We are supposed to find proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars i.e.P(104.60<x<108.20)

$Z=\frac{x-\mu}{\sigma}$

At x = 104.60

$Z=\frac{104.60-87}{8}$

Z= 2.2

At x=108.20

$Z=\frac{108.20-87}{8}$

Z= 2.65

Refer the z table for p value :

P(x<108.20)-P(x<104.60)=P(Z<2.65)-P(Z<2.2)=0.9960-0.9861=0.0099

Hence The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

4 0

3 years ago

1. Find the length a of the altitude drawn to the hypotenuse. [Triangle is not drawn to scale.]

Minchanka [31]

Answer:

Step-by-step explanation:

5 0

2 years ago

A cubic box is completely filled with 2,179 g of water. What is the length of one side of the box, in meters? m Explain your rea

Mazyrski [523]

Answer:

$l\approx 1.296\,cm$

Step-by-step explanation:

The water density is approximately 1 gram per cubic centimeter, which means that 1 gram of water occupies a volume of a cubic centimeter. Hence, 2.179 grams occupies a volume of 2.179 cubic centimeters.

Let assume volume occupied by the water has a cube-like shape, whose side has the following measure:

$l = \sqrt[3]{2.179\,m^{3}}$

$l\approx 1.296\,cm$

5 0

3 years ago

1.6E-8 is equal to what numbers or scientific notation?

prisoha [69]

It's equal to 1.6x10^(-8)

7 0

3 years ago

Please helppp picture shownn

gizmo_the_mogwai [7]

Trinomial is the ancer to the first one

5 0

3 years ago