Answer:
15
Step-by-step explanation:
The formula for factoring a sum of cubes is:
We have a=3f and b=5g here.
So a*b in this case is 3f*5g=15fg.
The ? is 15.
Answer:
6 different primes.
3, 7, 13, 29, 31 , 89.
Step-by-step explanation:
Try dividing by primes starting with 3:
3 ) 65529009
3 ) 21843003
7) 7281001
13) 1040143
29) 80011
31 ( 2759
89. 89 is a prime number.
Answer:
a
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
8*4=32+8=40
Answer:
x = 8
Step-by-step explanation:
x + y + 10 = 20
if y = 2,
=> x + 2 + 10 = 20
=> x + 12 = 20
=> x = 20 - 12
=> x = 8