Can I show and hide the recommendations in the cart page?

Also Bought can display recommendations, not only on product pages, but also on the cart page. 

The recommendations displayed on the cart page are related to the products which are currently in the shopping cart, so it enables a new opportunity of cross-selling just before the checkout.

You can enable recommendations on the cart page at the dashboard preferences page at the top right, using the switches to enable or disable the app on the cart page  :

Shopping cart recommendations are only displayed on shopping cart pages. If you have a pop-up showing cart or a drawer shopping cart, you can probably change it to a shopping cart page from your theme preferences.