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3 years ago

7. Sea level is at an elevation of O feet. The lowest elevation in Arizona is 72 2 points

Mathematics

1 answer:

Sergio039 [100]3 years ago

8 0

Answer:

The 3rd one down

72 > -68

Step-by-step explanation:

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Write the equation of a line that is perpendicular to y=2/7x +9 and that passes through the point (4,-6).

Allisa [31]

Answer:

$y=-\frac{7}{2}x+8$

Step-by-step explanation:

Given the equation

$y\:=\:\frac{2}{7}x+9$

comparing the equation with the slope-intercept form

$y =mx+b$

Here,

m is the slope

y is the intercept

so the slope of the line is 2/7

As we know that the slope of the perpendicular line is basically the negative reciprocal of the slope of the line, so

the slope of the perpendicular line will be: -7/2

Therefore, the point-slope form of the equation of the perpendicular line that goes through (4,-6) is:

$y-y_1=m\left(x-x_1\right)$

$y-\left(-6\right)=\frac{-7}{2}\left(x-4\right)$

$y+6=\frac{-7}{2}\left(x-4\right)$

$y+6-6=\frac{-7}{2}\left(x-4\right)-6$

$y=-\frac{7}{2}x+8$

3 0

3 years ago

The distillation of raw data into useful information is known as ______. a. generalization b. data analysis c. data content d. e

PilotLPTM [1.2K]

Answer:

B. Data analysis

Step-by-step explanation:

Data analysis is a process of inspecting, cleansing and organizing , transforming and modeling data with the goal of discovering useful information, informing conclusion and supporting decision-making.

What is a Data?

Data are information, usually numerical, that are collected through observation, data is a set of values of qualitative or quantitative variables about one or more persons or objects.

Examples of data types are

1. Qualitative

2. Quantitative

3. Attribute

4. Discrete

5. Continuous Data

7 0

3 years ago

An insurance company is setting out its policy for the next year. The chance that a customer (on average) survives another year

Doss [256]

Answer:

The expected loss is $E =$ $6980