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sergij07 [2.7K]
3 years ago
6

8 POINTS!!!!!!!!

Computers and Technology
2 answers:
user100 [1]3 years ago
6 0

Answer:

@ is your answer

Happy to help

Pls mark as Brainliest

kumpel [21]3 years ago
3 0
I believe it is @, since it means "directed to someone" showing that you are talking to them
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Define a method calcPyramidVolume with double data type parameters baseLength, baseWidth, and pyramidHeight, that returns as a d
Rudik [331]

Answer:

import java.io.*;

public class Main {

   public static void main(String[] args) throws IOException {

       double baseLength = 0, baseWidth = 0, pyramidHeight = 0;

       Object[] volume;

       volume = calcPyramidVolume(baseLength, baseWidth, pyramidHeight);

   }

   public static Object[] calcPyramidVolume(double baseLength, double baseWidth, double pyramidHeight) {

       double area = calcBaseArea(baseLength, baseWidth);

       double volume = baseLength * baseWidth * pyramidHeight;

       return new Object[]{volume, area};

   }

   public static double calcBaseArea(double length, double width) {

       return length * width;

   }

}

Explanation:

The problem is flawed because it is completely inefficient for one to create two separate methods to calculate the volume and the area when they can be done at once.

The second problem is that it was never specified whether to return something from the calcBaseArea method.

I assumed it required it, so it is not advisable to initiate the method as a double, but rather create it as an Object so that it can return two values: the volume and the area.

6 0
3 years ago
Viết chương trình hoàn chỉnh các yêu cầu sau:
Blababa [14]

Explanation:

the perimeter of an aluminium sheet is 120 CM if its length is reduced by 10% and its breadth is increased by 20% the perimeter does not change find the measure of the length and the breadth of the sheet

4 0
3 years ago
A bowl contains 20 candies; 15 are chocolate and 5 are vanilla. You select 5 at random. What is the probability that all 5 are c
Sindrei [870]

Answer: 0.1937

Explanation:

Given : A bowl contains 20 candies; 15 are chocolate and 5 are vanilla.

If we select 5 candies, then the number of ways to select them is given by permutations.

The number of ways to select 5 candies is given by :-

^{15}P_5=\dfrac{15!}{(15-5)!}=\dfrac{15\times14\times13\times12\times11\times10!}{10!}=360360

The number of ways of selecting any 5 candies out of 20:-

^{20}P_5=\dfrac{20!}{(20-5)!}\\\\=\dfrac{20\times19\times18\times17\times16\times15!}{15!}\\\\=1860480

Now, the probability that all 5 are chocolate :-

=\dfrac{360360}{1860480}=0.193691950464\approx0.1937

Hence, the probability that all 5 are chocolate =0.1937

5 0
3 years ago
Read 2 more answers
Given f(x) = -2x2 + 5x - 1 and g(x) = 3x + 4 determine a simplified
lukranit [14]

Answer:

-6x^4 + 7x^3 + 17x^2 -4x

Explanation:

( f x g )( x )

Substitute

[( -2x^2 + 5x -1 )( 3x + 4 )]( x )

Use the Distributive Property

[-2x^2( 3x) + 5x( 3x) - 1( 3x) -2x^2( 4) + 5x (4) -1 (4)] (x)

Simplify

( -6x^3 + 7x^2 + 17x -4)(x)

Distributive Property

-6x^4 + 7x^3 + 17x^2 -4x

7 0
3 years ago
Graphic design has as its goal the communication of some __________ message to a group of people.
Aleks [24]
Graphic design has as its goal the communication of some specific message to a group of people.

Specific is your answer.
3 0
3 years ago
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