Suppose the variable x has been assigned to some integer. Below are several expressions, all dependent on this variable x. Select the expressions that will always return False, regardless of the value of the integer assigned to x. a. x!=x b. x is x ☐ c. x not in [[x]] ✓ d. x in [] ☐ e. x>(x==x) ✓ f. x>(x+1)

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What does this function using to? int max(int a , int b) if(a > b) return a; else return b; } returns the maximum of two integer numbers returns the minimum of two integer numbers returns the maximum of an floating point numbers returns the minimum of two floating point numbers

Q4: the volume of a cylinder is given by the formula: V=r r2L Where r is the cylinder's radius and L is its length. Using the above formula; write a program that uses a function which accepts a cylinder's radius and length as parameters and returns its volume.

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The great circle distance is the distance between two points on the surface of a sphere. Let (x1, y1) and (x2, y2) be the geographical latitude and longitude of two points. The great circle distance between the two points can be computed using the following formula: d = radius * arccos(sin(x 1) * sin(x 2) + cos(x 1) * cos(x 2) * cos(y1 - y2)) Write a program that prompts the user to enter the latitude and longitude of two points on the earth in degrees and displays its great circle distance. The average earth radius is 6,371.01 km. Note that you need to convert the degrees into radians using the math.radians function since the Python trigonometric functions use radians. The latitude and longitude degrees in the formula are for north and west. Use negative to indicate south and east degrees.

Complete the function that calculates the sum of the first n+1 terms of the geometric series a, ar, ar² ar³, art Note that the series begins with a and the last term is ar", in total there are n+1 terms. # complete the function given the variables a,r,n and return the value as series_sum. def sum geometric_series (a,r,n): # YOUR CODE HERE return series_sum ... arr print (sum_geometric_series (4.0, 5, 10))

Problem: Feed Nibble Monster Till Full Write a program that generates a number in [0, 500] at the beginning -- this corresponds to how hungry the monster is -- and keeps asking the user to feed the monster until that number falls to zero.   Each time the user feeds the monster a nibble, hunger decreases by the decimal value of the character (i.e. if the user feeds 'A' hunger decreases by 65). But when the user feeds the monster some character that isn't a nibble, the hunger increases by the decimal value of the character (since puking depletes energy).   Use while loop.   Sample runs: Notice the loop exits after one iteration, because hunger was very low and one nibble made the monster full: Notice hunger increasing after non-nibble (pink highlight): Notice that the program just keeps going when the user feeds the monster only non-nibbles. Do you think the program will keep running forever if the user never gives the monster nibbles?

5. A prime number is a number that is only evenly divisible by itself and 1. For example, the number 5 is prime because it can only be evenly divided by 1 and 5. The number 6, how- ever, is not prime because it can be divided evenly by 1, 2, 3, and 6. Write a Boolean function named is_prime which takes an integer as an argument and returns true if the argument is a prime number, or false otherwise. Use the function in a program that prompts the user to enter a number then displays a message indicating whether the number is prime. 6. In another program, use the function you wrote in question 5 to print the prime numbers between 1 and 100 using for loop.

In C++ (Algebra: solve 2 × 2 linear equations) You can use Cramer’s rule to solve the following 2 × 2 system of linear equation: ax + by = ecx + dy = fx = (ed - bf) / (ad - bc)y = (af - ec) / (ad - bc)   Write a program that prompts the user to enter a, b, c, d, e and f and displays the result. If ad - bc is 0, report that “The equation has no solution”. Sample Run 1   Enter a, b, c, d, e, f: 9.0 4.0 3.0 -5.0 -6.0 -21.0 x is -2 and y is 3   Sample Run 2   Enter a, b, c, d, e, f: 1.0 2.0 2.0 4.0 4.0 5.0 The equation has no solution