The phrase "are used to answer" is grammatically correct and commonly used in written English.
It is typically used to introduce a topic or to explain how something is used or functions. Example: "Question tags are used to answer more specific questions at the end of a sentence, such as 'isn't it' or 'don't you?'".
Or perhaps "Metagame," in which pairs of pop-cult images (Godzilla, "Pulp Fiction," "The Brady Bunch") are used to answer such questions as "Which is more ridiculous?" and "Which would Freud want?" Like all of Mr. Zimmerman's creations, his are truly games for smart grown-ups — literate, artistic and highly imaginative.
Oracles are devices which are used to answer questions with a simple yes or no.
Allometric principles are used to answer a variety of questions relevant to the application of preclinical PK data to the design of dose regimens for humans.
In a wide variety of spoken languages, rising intonation is used to mark questions, and variants of "Hello!" are used to answer the telephone.
In patients with clinical suspicion of a vascular injury, point-of-care ultrasound and Doppler ultrasound are used to answer 2 basic questions: 1.
In view of all of this, together with the fact that a great many theoretical claims can only be tested directly against phenomena, it behooves epistemologists to think about how data are used to answer questions about phenomena.
Founders are used to answering questions when they're asked.
"People are used to answering questions," Craig Charney, Miller's colleague and chief pollster, said later.
PARAMUS, N.J. — Tiger Woods stood before reporters at the Ridgewood Country Club on Wednesday and for two minutes answered the kinds of questions that golfers are used to answering.
Histories of ideas ReprintsDifferent strokes for different folksSimilar interfaces can be used to answer a variety of useful questions.
Rarely have so many words been used to answer so little.
