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konstantin123 [22]
3 years ago
7

A. True

Computers and Technology
1 answer:
svetlana [45]3 years ago
6 0

Answer : True  

Explanation: Vectors can hold, data of the same type and can automatically expand accordingly and change it’s size. The date stored in vectors should be linear.  

- The syntax for vector is vector<int>v;

- Mostly this is used in C++ as an alternative to arrays  

- If you want to use vector in your program then define it in the header first  i.e.

#include <vector>

- Push back is a function, that is used to insert an element into the vector  

- Pop back removes the element from the vector  


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Which statement is true about encoding in Python?
vovangra [49]

Answer:

In Python 3, strings are automatically encoded using Unicode.

Explanation:

i just tookthe test

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3 years ago
What statement best describes Konrad Zuse?
vazorg [7]

Answer:

D

Explanation:

Konrad Zuse was a German civil engineer, inventor and computer pioneer. His greatest achievement was the world's first programmable computer; the functional program-controlled Turing-complete Z3 became operational in May 1941.

8 0
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When replacing a system board in a laptop, which feature is a must?
Marta_Voda [28]

Answer:

Having the integrated peripherals in the same locations as the old system board

Explanation:

System board is the printed circuit board that is used to connect the peripheral devices. It provides the slots and ports to connect the peripherals devices.

If there is a need to replace the system board of the laptop. You can change the system board. On new system board, all the peripherals that are installed on previous (old) system board should be placed on new system board. As the system requirements are same, only printed circuit board of the system is changed.

The new system board is replica of the previous board so, we can not change peripheral of the system boards.

5 0
3 years ago
A continuous and differentiable function f(x) with the following properties: f(x) is decreasing at x=−5 f(x) has a local minimum
butalik [34]

The continuous and differentiable function where f(x) is decreasing at x = −5 f(x) has a local minimum at x = −2 f(x) has a local maximum at x = 2 is given as: y = 9x - (1/3)x³ + 3.

<h3>What is a continuous and differentiable function?</h3>

The continuous function differs from the differentiable function in that the curve obtained is a single unbroken curve in the continuous function.

In contrast, if a function has a derivative, it is said to be differentiable.

<h3>What is the solution to the problem above?</h3>

It is important to note that a function is differentiable when x is set to a if the function is continuous when x = a.

Given the parameters, we state that

f'(5) < 0; and

x = -5

The local minimum is given as:
x = -3;

the local maximum is given as

x = 3

Thus, x = -3 ; alternatively,

x = 3.  With this scenario, we can equate both to zero.

Hence,

x + 3 = 0;

3-x = 0.

To get y' we must multiply both equations to get:

y' = (3-x)(x + 3)

y'   = 3x + 9 - x² - 3x

Collect like terms to derive:

y' = 3x - 3x + 9 - x²; thus

y' = 9-x²

When y' is integrated, the result is

y = 9x - (x³/3) + c

Recall that

F (-5) < 0

This means that:

9 x -5 - (-5³/3) + c < 0
⇒ -45 + 125/3 + c <0
⇒ -10/3 + c < 0

Collecting like terms we have:
c < 10/3; and

c < 3.33


Substituting C into

f(x) = 9x - x³/3 + c; we have

f(x) = 9x - x³/3 + 3, which is the same as  y = 9x - (1/3)x³ + 3.

Learn more about differentiable functions at:
brainly.com/question/15047295
#SPJ1

7 0
2 years ago
Which THREE of the following actions can you perform with most webmail services?
laila [671]

Answer:

C.find the email address of someone you know

D.maintain an address book of your contacts

E.organize your emails In folders

8 0
2 years ago
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