Answer:
Step-by-step explanation:
If a number can be expressed by sum of two square, only if the number can be represented by 4k + 1 form
1975 = 4*493 + 3
So, 1975 can't be a sum of two squares
I hope this is what you need?
Answer:
Using mental math, the approximate tip to leave for a bill of $81.79, if you tip 15% would be?
c.$12.30
Step-by-step explanation:
10% is $8.179, then 5% is a half of this sum, i.e. $8.179:2=$4.0895
3. 15%=10%+5% and in $ it is $8.179+$4.0895=$12.2685 that is nearly $12.30.
Answer:
2
Step-by-step explanation:
1 + 1 = 2
12/3 = S/52
Solve ;
*12×52∛= 624
*624/3 = 208
[s=208 ]