Express<span> the prime </span>numbers<span> 7, 15, and 261 as the </span>difference of two squares
Answer:
15
Step-by-step explanation:
8² + 15² = c²
To find : Value of c
8² = 8 x 8 = 64
15² = 15 x 15 = 225
c² = 225
225 = 15 x 15 = 15²
So,
c² = 15²
c = 15
Rounding to the nearest 10 means if the digit to the right of the 10s collum is 5 or more round up. if less than 5 round down.
605.8
610 is the answer as 5 is rounded up
The maximum number of minutes she could use her phone is 150
It will have 2 solutions because, if you take out the (-) it will be a whole diffrent answer!