Answer:x^2 +15x +36
Step-by-step explanation:
Answer:certiN
Step-by-step explanation:
Answer:
12.8
Step-by-step explanation:
make a beginning a a rectangle like a dividing box and put 45 on the outside and 3.5 in the inside
Answer:
The value of x is
Step-by-step explanation:
Given,
By cross multiplication,
Answer:
5P5×20P15
Step-by-step explanation:
A school bus has 25 seats, with 5 rows of 5 seats.
15 students from the first grade and 5 students from the second grade travel in the bus.
second-grade students occupy the first row.
The 5 students of second grade are to be seated in 5 seats,this can be done in:
5P5 ways where P is the permutation
Now 15 students from first grade are to be arranged in remaining 20 seats
This can be done in:
20P15 ways
Hence, total ways student can be seated is:
5P5×20P15