Here is the answer for questions like this you can use photo math for a simple fast way to do this math
Translated
so the distance from A to A' should be the same as form B to B'
distance formula
distance between (x1,y1) and (x2,y2) is
so distance between (1,5) and (-2,1) is
the distance is 5 units
Answer:
The number of questions in sixth assignment must be less than or equal to 28.
Step-by-step explanation:
The number of questions in first five assignments are 11,10,13,14 and 14.
It is given that Mrs hawk assigns her students an average of no more than 15 questions on each assignment. Therefore the average of six assignments is less than or equal to 15 questions.
Let the number of questions in sixth assignment be x
Average of six assignments are
Since the average of questions is no more than 15, therefore
Therefore the number of questions in sixth assignment must be less than or equal to 28.
I think its B. 7
Its less than 15 and all the others.
Remember 5 or more round up, 4 or less round down. 3 is in the ten thousands place so look behind it, 6 is 5 or more so round up. ANSWER:40,000