Answer:
92 in expanded form is 90+2 or (9x10) + (2x1)
Step-by-step explanation:
Split apart the number into the place values.
Answer:
Step-by-step explanation:
We can use combinations
20 choose 4:
20!/(16!*4!)
= (20*19*18*17)/4!
= 4845
Answer:
100
Step-by-step explanation:
The first 9 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, and 23.
Their sum is 2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 = 100
Answer:
(-5,-1,1)
Step-by-step explanation:
You must substitute for <em>x</em>.