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svlad2 [7]
3 years ago
8

Which of the following sentences uses the correct verb tense?

Computers and Technology
2 answers:
Alina [70]3 years ago
6 0
B. My mother goes running every day.

Wittaler [7]3 years ago
3 0
B. 

A is incorrect because the verb tense is in the present, but talks about the past.
C is incorrect because the verb tense is past tense, while talking about the present. 
And D is incorrect because the verb tense is past tense, but talks about the future. 
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Forms often allow a user to enter an integer. Write a program that takes in a string representing an integer as input, and outpu
Bond [772]

Answer:

user_string = input("Input a string : ")

output = user_string.isnumeric()

if output == True:

   print("yes")

else:

   print("no")

Explanation:

  • First of all check whether user input have all numeric value or not .
  • Display yes if string contain all numeric values .
  • Display no if string contain at least one non - integer character .

7 0
3 years ago
Read 2 more answers
Write the function definition for a function called list_total that accepts a list of integers
uranmaximum [27]

Answer:

def list_total(numbers):

   sum_of_numbers = 0

   for number in numbers:

       sum_of_numbers += number

   return sum_of_numbers

Explanation:

So, to define a function, the syntax is simply:

def functionName(arguments here):

   # code

So to define a function called "list_total" which accepts a list of integers, you write:

"

def list_total(numbers):
   # code

"

any the "numbers" is a parameter, and it's just like any variable, so you can name it anything besides keywords. I just named it "numbers" since it makes sense in this context, you could also write "integers" instead and it would be just as valid, and may be a bit more specific in this case.

Anyways from here, the initial sum should be equal to 0, and from there we add each number in the list to that initial sum. This can be done by initializing a variable to the value "0" and then traversing the list using a for loop. This can be done as such:

"

def list_total(numbers):

   sum_of_numbers = 0

   for number in numbers:

       # code

"

So for each element or integer in the list "numbers" the for lop will run, and the variable "number" will contain the value of the current element it's on.

So we can add the "number" to the sum_of_numbers as such:

sum_of_numbers = sum_of_numbers + number

but there is a shorter way to do this, and it's represented as:

sum_of_numbers += sum_of_numbers

which will do the same exact thing. In fact this works for any mathematical operation for example:

a *= 3

is the same thing as

a = a * 3

and

a /= 3

is the same thing as

a = a / 3

It's the same thing, but it's a much shorter and more readable notation.

Anyways, this code will go in the for loop to almost finish the code

"

def list_total(numbers):

   sum_of_numbers = 0

   for number in numbers:

       sum_of_numbers += number

"

The last thing is to return this value, and this is simply done by using the syntax:

"return {value here}"

and since the sum_of_numbers has the value, we write

"return sum_of_numbers"

at the end of the function, which is very very important, because when you use the return keyword, you end the function, and return whatever value is next to the return to the function call

So to finish the code we just add this last piece to get:

"

def list_total(numbers):

   sum_of_numbers = 0

   for number in numbers:

       sum_of_numbers += number

   return sum_of_numbers

"

7 0
2 years ago
Technician A says that high pressure in recycled refrigerant is only caused by air contamination. Technician B says that recycle
hjlf

Answer:

a. A only

Explanation:

When air, is in excess of allowable amounts, it  can cause the system to operate at pressures that are higher than normal. This means that the recycled refrigerant is operating at high pressure. Thus Technician A is correct.

However, Technician B is incorrect because unlike reclaimed refrigerants where the process strip the refrigerant of impurities making it to meet the standards of a new refrigerant, the recycled refrigerant is not as pure as it's contaminants are only reduced.

Therefore, only technician A is correct.

6 0
3 years ago
A program that performs handy tasks, such as computer management functions or diagnostics is often called a/an ____________.
Elodia [21]

Answer:

DOS

Explanation:

Disk operating

4 0
2 years ago
Which is an example of a Boolean operator that evaluates as TRUE?
ladessa [460]

The expression NOT (3+2=7) evaluates as TRUE because is is NOT the case that 3+2=7.

Let me know if you have any questions.

4 0
3 years ago
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