The costs of materials for product B are made up as follows.Material P： $1，000Material Q： $600Material R： $1，025Material S： $375If the material proportions were displayed on a pie chart， how many degrees would material Q represent？（ ）
A: 120 degrees
B: 204 degrees
C: 144 degrees
D: 72 degrees
A: 120 degrees
B: 204 degrees
C: 144 degrees
D: 72 degrees
举一反三
- The cost of materials for product A are as follows. Material W: $2,250 Material X: $3,000 Material Y: $3,600 Material Z: $150 If the material proportions were displayed on a pie chart, how many degrees would material Y represent?
- 5.1 The cost of materials for product A are as follows. Material W:$2,250 Material X:$3,000 Material Y:$3,600 Material Z:$150 If the material proportions were displayed on a pie chart, how many degree would material Y represent ? A: 144 degree B: 90 degrees C: 120 degree D: 204 degree
- The structure of a material depends on how it is processed, and a material's performance is a function of its properties.
- An opaque material is （） A: a material that can be seen through B: a translucent(半透明的) material C: a material that can not be seen through D: a lucent material
- What is the process principle of welding A: laser radiation onto material B: melting of material C: resolidfying of material D: absorption of material