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Mkey [24]
3 years ago
11

When does state law require drivers to use their headlights (6)

Computers and Technology
2 answers:
WINSTONCH [101]3 years ago
7 0

Headlights are required when visibility is 500 feet or less. Drivers must use their headlights when they turn on the windshield wipers. Headlights are also necessary when driving through fog, smoke, mist or other weather conditions which reduce visibility. Hope this helps :)

larisa86 [58]3 years ago
6 0
During night. or during a dark cloudy day. this is logic but k
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Which of the following is opened when the Find command is clicked? Question 9 options: Navigation Pane Insert Hyperlink dialog b
Dima020 [189]

The element, from the following options, which is opened when the find command is clicked is the search pane.

What is find command?

Find command is the command which is used to find the list of files and their location.

Find command can be used in different manners-

  • To find the different files in a system.
  • Find command can find the files by their name, size, date or other information related to the required document.
  • This command can be modified with the requirement of the search.

The options for the given problem are-

  • Navigation Pane Insert- It is used to show the navigation pane in word or similar space.
  • Hyperlink dialog box-This open, when the insert hyperlink command is clicked.
  • Bookmark dialog box-This opens, when the bookmark command is clicked.
  • Search Pane- Search pane is opens, when the find commond is clicked.

Thus, the element, from the following options, which is opened when the find command is clicked is the search pane.

Learn more about the find command here:

brainly.com/question/25243683

4 0
2 years ago
Determine whether or not the following pairs of predicates are unifiable. If they are, give the most-general unifier and show th
Evgen [1.6K]

Answer:

a) P(B,A,B), P(x,y,z)

=> P(B,A,B) , P(B,A,B}  

Hence, most general unifier = {x/B , y/A , z/B }.

b. P(x,x), Q(A,A)  

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q.

c. Older(Father(y),y), Older(Father(x),John)

Thus , mgu ={ y/x , x/John }.

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))  

This is not unifiable as x cannot be bound for both A and B.

e) P(f(x), x, g(x)), P(f(y), A, z)    

=> P(f(A), A, g(A)), P(f(A), A, g(A))  

Thus , mgu = {x/y, z/y , y/A }.

Explanation:  

Unification: Any substitution that makes two expressions equal is called a unifier.  

a) P(B,A,B), P(x,y,z)  

Use { x/B}  

=> P(B,A,B) , P(B,y,z)  

Now use {y/A}  

=> P(B,A,B) , P(B,A,z)  

Now, use {z/B}  

=> P(B,A,B) , P(B,A,B}  

Hence, most general unifier = {x/B , y/A , z/B }  

b. P(x,x), Q(A,A)  

No mgu exists for this expression as any substitution will not make P(x,x), Q(A, A) equal as one function is of P and the other is of Q  

c. Older(Father(y),y), Older(Father(x),John)  

Use {y/x}  

=> Older(Father(x),x), Older(Father(x),John)  

Now use { x/John }  

=> Older(Father(John), John), Older(Father(John), John)  

Thus , mgu ={ y/x , x/John }  

d) Q(G(y,z),G(z,y)), Q(G(x,x),G(A,B))  

Use { y/x }  

=> Q(G(x,z),G(z,x)), Q(G(x,x),G(A,B))

Use {z/x}  

=> Q(G(x,x),G(x,x)), Q(G(x,x),G(A,B))  

This is not unifiable as x cannot be bound for both A and B  

e) P(f(x), x, g(x)), P(f(y), A, z)  

Use {x/y}  

=> P(f(y), y, g(y)), P(f(y), A, z)  

Now use {z/g(y)}  

P(f(y), y, g(y)), P(f(y), A, g(y))  

Now use {y/A}  

=> P(f(A), A, g(A)), P(f(A), A, g(A))  

Thus , mgu = {x/y, z/y , y/A }.

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The following program segment is designed to compute the product of two nonnegative integers X and Y by accumulating the sum of
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The program is correct: at the beginning, product = 0. Then, we start summing Y to that variable, and we sum Y exactly X times, because with each iteration we increase Count by 1, and check if Count=X so that we can exit the loop.

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