The phrase "are a blending between" is not correct in standard written English.
It can be used when discussing the combination or mixture of two or more elements, but it should be rephrased for clarity.
Example: "These two styles are a blending of traditional and modern techniques."
Alternatives: "are a mix of" or "represent a fusion of".
Discrete numerical data are a blend between categorical and continuous data, and it is not obvious how to analyze such data.
We monitor our services, but there needs to be a blend between that core data and a sense of the place and this is where the members come in, as they are literally on the ground.
Here also there is a blend between the contemplative and the preaching life; the different Hindu orders place varying emphases on the one or the other, a distribution of functions that is similar to that within some Christian orders.
Gameplay is a blend between ultra popular Candy Crush Saga, innovative Ingress and modern MMORPGs with multiplayer battles.
The work I did for my doctorate while at Virginia Tech was a blend between the two fields of wearable computing and machine learning.
Compere Lapin is a blend between New Orleans traditions and those of St. Lucia the island where chef Nina Compton, named one of the best chefs in America, was born.
Wimbledon's fans were a blend between locals who had supported the club since its non-League days and supporters who had defected from other London teams.
Takers like to get more than they give, givers are other-focused and prefer to pay attention to what other people need from them, and matchers are a blend, wanting an equal balance between giving and taking.
As in many Deep South towns, relations between the races are a blend of formality and familiarity that outsiders find difficult to understand.
Today's games are mostly 3D, but this one is 2D (it's technically a blend between 2 and 3D, nicknamed "2.5D").
