The phrase "a mix of terms" is correct and usable in written English.
It can be used when describing a combination of different words or phrases that are grouped together for a specific purpose or context.
Example: "The report included a mix of terms from various disciplines, making it challenging to understand for those outside the field."
Alternatives: "a combination of terms" or "a blend of terms".
It should be noted that rather than explicitly using and referring to educational or learning theories, most studies instead refer to a mix of pedagogical terms or strategies (e.g., active, blended, inquiry-based, problem-based, flipped, student-centred learning, etc).
The phrases were a mix of slang terms that Heckerling discovered from various sources, including the UCLA slang dictionary, and things she made up herself.
Although no explanation has ever been offered for this, one plausible explanation is that humans actually consist of a mix of short-term (promiscuous) and long-term (monogamous) mating phenotypes.
The sensible step for Congress would be to pair long-term deficit reduction with a mix of short-term tax cuts and aid to states, whose budget cuts are leading to layoffs.
Gov. Jerry Brown and top lawmakers from both parties announced Thursday a $1-billion plan to deal with California's persistent drought, describing the legislation as a mix of short-term relief and support for long-term water projects.
It sticks to the same objectives that the White House has pursued for months: short-term investments in job growth, combined with a mix of long-term spending cuts and revenue raisers to achieve a decent amount of deficit reduction.
"Brazil faces a big competitive challenge, and the relationship with China only dramatises that," says Sérgio Amaral, a former industry minister who chairs the Brazil-China Business Council.The government's response is a mix of short-term protectionist measures combined with modest steps towards more constructive longer-term policy changes.
A mix of long-term thinking, good timing and some luck is the answer.
Its financing comes from a mix of short-term commercial paper, investment-grade debt and bank loans.
