ssmithssmithk693 ssmithssmithk693
  • 21-12-2022
  • Mathematics
contestada

the average of the marks on an exam in a class was 80%. if 15 of the students had each gotten a mark which was 10 points higher, the average would have been 85. how many students are in the class?

Respuesta :

Otras preguntas

Choose THREE agricultural activities that humans perform to minimize their impact on climate change. A drain wetlands B plant cover crops C leave land untouc
convert 14 mg to kg ....​
Consider the probability that exactly 90 out of 147 students will pass their college placement exams. Assume the probability that a given student will pass thei
Roles of the parents as agents of socialization
what does it mean to state something in social studies?​
If we consider the concentric zone model, which is a conflict theorist's critique?
Can someone answer this question pls- 40 points? plus brainliest if you explain. 1. A light bulb is one-hundredth of an inch thick, with an allowable error of 2
Calculate the mass in grams of benzophenone required to make a solution of 2.5 mmoles
3. Mr. Black's pay increased by 15% when he got a raise, bringing his new salary to $184. What was Mr. Black's original pay? ​
What does the length of a vector arrow represent? O A. angle OB. magnitude C. direction OD. force