(b) Factorise fully 9b-3b squared
1 answer:
You might be interested in
Answer:
Test's average-95
Homework's average-96.67
Step-by-step explanation:
Average is mathematically defined as the sum of the values divided by the total number of values and is expressed as:
The Tests' average is calculated as:
Hence, the Tests' average is 95
#The Homework's average is calculated as:
Hence, the Homework's average is 96.67
Answer:
In 2025,the number of students at the villages high school=1159
Step-by-step explanation:
We are given that in 2018
Number of students at the villages high school=975
Increasing rate,r=2.5%=0.025
We have to write and use of exponential growth function to project the populating in 2025.
According to question
Number of students at the villages high School is given by
Substitute the values
t=7
Substitute the value
Then, the number of students at the villages high school in 2025