9.25 hope I have a nice day and stuff I have to write 20 words so
Answer:
This is a geometric sequence with a common ratio of -4
Step-by-step explanation:
Take the second term and divide by the first term
-4/1 = -4
Take the third term and divide by the second term
16/-4 = -4
Take the fourth term and divide by the third
-64/16 = -4
This is a geometric sequence with a common ratio of -4
Answer:
The last one, I think
Step-by-step explanation:
Answer:
He mows 1/3
Step-by-step explanation:
Well to start if 1/2 of and hour is 30 minutes, and she can mow 1/6 well she should be able to mow double that , which is 1/3
Answer: Total number of students will be 112.
Step-by-step explanation:
Since we have given that
The ratio of boys to girls in the top 10% of their class at Bixby High School was

So, Let the number of boys be 3x
Let the number of girls be 5x
According to question,

So, total number of students will be

Hence, Total number of students will be 112.