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Sergeeva-Olga [200]
3 years ago
11

1.) Write the formula, which assigns double x to double n raised to the double z power.

Computers and Technology
1 answer:
andrezito [222]3 years ago
3 0

Answer:

1.) Write the formula, which assigns double x to double n raised to the double z power.

Answer: 2\times x → 2\times n^(2\times z<u>)</u>

2.) Write a formula, which will add 5 to the cube of double t times double n, and assign it to double x.

Answer: 5\plus 2\times t^3→2\times x

3.) Write a formula, which will assign double x to square root of the sum of the squares of the lengths of the two legs of a triangle. Declare double leg1, and double leg2, in order to find the hypotenuse. (Pythagorean Theorem)

Answer: 2\times x → \sqrt \{(l^2)_1 + (l^2)_2\}= hypotenuse

4.) Write a program that find the distance between two values on the number line by taking the absolute value of their difference. Assign the answer to double x. The two numbers have been declared as follows:

double num1, num2

Answer: length = \sqrt\{|num2 - num1\|} → 2\times x

Explanation:

.

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Consider the following schema for customer: (id, name, street, city, state, zip, phone), in which customers are uniquely determi
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Answer:

Super key is a set of attributes that uniquely identifies all attributes in a relation.Super keys are more than candidate key.

Explanation:

For example in the given schema where

Customer: (id , name , street , city,state,zip,phone)

We have a relation we check super keys by following dependencies

Functional Dependencies                          Super Key

id                                                                     YES

name                                                               YES

id , name -> street , city,state,zip,phone       YES

id , street  ->name , city,state,zip,phone       YES

id,city ->name , street ,state,zip,phone         YES

id,state ->name , street ,city,zip,phone         YES

id,phone  ->name , street ,state,zip,city        YES

id , name , street                                             YES

id , name , street , city                                    YES

id , name , street , city,state                          YES

id , name , street , city,state,zip,phone         YES

All these are uniquely identified

All these are super key but in reverse they are not super key such as

street , city,state,zip,phone->id , name        No

8 0
3 years ago
A computer program that enables users to create and work with files and folders is called what?
murzikaleks [220]

Answer:

File manager

Explanation:

From the list of options 1 to 4, only option (2) is correct

Explaining the options one after the other

  • Web browser: It lets users access the internet
  • File Manager: Used to create and manage files/folders
  • User Interface: Means which the user of a computer interacts with the computer
  • File Reader: Used to read the content of a file. e.g. Adobe reader for pdf files, Notepad for text files, etc.

Having explained the options one after the other, <em>the file manager </em>is the answer to this question.

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