Answer:
The third point i.e " Use an alternating least squares (ALS) algorithm to create a collaborative filtering solution" is the correct answer .
Explanation:
The Alternating Less Squares is the different approach that main objective to enhancing the loss function.The Alternating Less Squares process divided the matrix into the two factors for optimizing the loss .The divided of two factor matrix is known as item matrix or the user matrix.
- As we have to build the machine learning model which proposes restaurants to restaurants that are based on the customer information and the prior restaurant reviews the alternating least squares is the best model to implement this .
- All the other options are not the correct model also they are not related to given scenario that's why they are incorrect options.
Answer:
The mass of the vehicle is 1250kg
Explanation:
Given


Required
Determine the vehicle's mass
This question will be answered using Newton's second law which implies that:

In other words:

Substitute values for F and a

Make m the subject


<em>Hence, the mass of the vehicle is 1250kg</em>
Use the "As an Outlook Contact" option.
From January 2005 through July 2017, approximately 853 million electronic data records in the US were breached.
This allowed the attackers to take control over people's personal data, such as their various credit card numbers, and other important data, as well as their addresses, etc. The cyber police, as well as the regular police have been working hard to stop this from happening, but the hackers are very strong and smart.
Answer: A)Website defacement
Explanation: Website defacement is the type of attack that is done on the website that works for the changing of the appearance or display of the particular site,. This is a unauthorized act that is done by the attackers or hackers to change the website and marking it with their own site.
Other given option are incorrect because they deal with display change of site rather a other types of the system attacks.Thus , the correct option is option(A).