Answer:
6
Step-by-step explanation:
The factors of 24 are : 1, 2, 3, 4, 6, 8, 12, 24
The factors of 30 are : 1, 2, 3, 5, 6, 10, 15, 30
The common factors are 1, 2, 3, 6
The greatest common factor is 6
x = 7
divide the five on both sides, and you get x = 7
best of luck!
This question bothers on combination. Combination has to do with selection. When selecting r objects from a pool of n objects, this is expressed as;
nCr = n!/(n-r)!r!
For us to choose rank the first 4 choices from 12 students nominated, this can be done in 12C4 number of ways;
12C4 = 12!/(12-4)!4!
12C4 = 12!/8!4!
12C4 = 12*11*10*9*8!/8!*4*3*2
12C4 = 12*11*10*9/24
12C4 = 11880/24
12C4 = 495 ways
Hence this can be done in 495 different ways
Answer: B. 183 cm^3
V = pi r^2 h/3
V = pi (5^2) (7/3)
V = pi (25) (2.33)
V = 183
