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maw [93]
2 years ago
6

I am in class 7 should I go with java or python.​

Computers and Technology
1 answer:
Kazeer [188]2 years ago
6 0

Answer:python

Explanation:

it’s a good coding program

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Answer:A. A default Variable

Explanation:

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Rocks created from compaction and cementation of sediments are called:
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Sedimentary Rocks

Explanation:

Sedimentary rocks are essentially the Frankenstein monsters of the rock world. They're made up of pieces of igneous and metamorphic rocks, sand, clay, and other sedimentary rocks.

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Who was responsible for the development of the rocket motor?
kiruha [24]

Answer: Robert H. Goddard

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Using Matlab programming I need to rotate the line defined by x,y by 45 degrees around 2,2
belka [17]

Answer:

% here x and y is given which we can take as

x = 2:2:10;

y = 2:2:10;

% creating a matrix of the points

point_matrix = [x;y];

%  center point of rotation  which is 2,2 here

x_center_pt = x(2);

y_center_pt = y(2);

% creating a matrix of the center point

center_matrix = repmat([x_center_pt; y_center_pt], 1, length(x));

% rotation matrix with rotation degree which is 45 degree

rot_degree = pi/4;      

Rotate_matrix = [cos(rot_degree) -sin(rot_degree); sin(rot_degree) cos(rot_degree)];

% shifting points  for the center of rotation to be at the origin

new_matrix = point_matrix - center_matrix;  

% appling rotation  

new_matrix1 = Rotate_matrix*new_matrix;          

Explanation:

We start the program by taking vector of the point given to us and create a matrix by adding a scaler to each units with repmat at te center point which is (2,2). Then we find the rotation matrix by taking the roatational degree which is 45 given to us. After that we shift the points to the origin and then apply rotation ans store it in a new matrix called new_matrix1.

4 0
3 years ago
Given input characters for an arrowhead and arrow body, print a right-facing arrow. Ex: If the input is: *
MrRa [10]

Answer:

Following are the code to this question:

b= input()#defining b variable for input character value

h= input()#defining h variable for input character value

b_width=6#defining b_width variable that holds an integer value 6

r1 = ' ' * b_width+h#defining r1 variable that calculates hash lines

r2 = b*b_width+h*2#defining r3 variable that calculates 6 asterisk and 2 hash line  

r3 = b*b_width+h*3#defining r3 variable that calculates 6 asterisk and 3 hash line

print(r1)#print r1 variable value

print(r2)#print r2 variable value

print(r3)#print r3 variable value

print(r2)#print r2 variable value

print(r1)#print r1 variable value

Output:

please find the attachment.

Explanation:

In the given python code, three variable "b,h, and b_width" is declared, in which "b_width" holds an integer variable "6" and variable "b and h" is used to an input character value.  In the next line, "r1, r2, and r3" is declared, that holds arrowhead values which can be defined as follows:

  • In the "r1" variable, it stores space with b_width variable and one h variable value.
  • In the "r2" variable it stores b_width and 2*h variable value.
  • In the "r3" variable it stores b_width and 3*h variable value.

At the last, it prints the "r1, r2, and r3" variable value and for arrowheads,  it follows the above program code.

6 0
3 years ago
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