-0.5625
The numbers are 10 and 5.2
41x2=82
4 - 4.898979*i and 4 + 4.898979*i (to 6 dp) where i is the imaginary square root of -1.
The two numbers that have a product of -240 and a sum of 1 are 16 and -15. This is because 16 multiplied by -15 equals -240, and 16 added to -15 equals 1. These two numbers satisfy both conditions simultaneously.
A number multiplied by itself added to itself equals 30. What are the two possible numbers?
23
The numbers are: -25 and -30
313
-19
15.268 and 18.732
-0.5625
49
4
The numbers are 10 and 5.2
-1
-53