proper maths questions!

[mathsteacher]

Ok tis time for couple of questions again let’s have a few escorts trying too!!!

Make 24 using all the numbers 1,1,5,5 and any maths operations (+, -, X,÷, etc)
And since we have had some great equations lately, Find the point(s) of intersection of the line 2X + Y – 10 = 0 and x^2+ y^2=25.
Remember answers on a postcard esp for part a.

[mathsteacher]

surprises surprise mm part (a) correct

[mathsteacher]

well done mm part (a) and (b) sr71 and few others good attempts, still no escorts, abby where are ya

[Doozer]

5 by 5 by 1 -1

[monster_monster]

5 by 5 by 1 -1

[mathsteacher]

mm have done number systems like hexadecimal,octal, binary and logic?

[mathsteacher]

5 by 5 by 1 -1

doozer that equals zero!
just like the marks u will get!

[Doozer]

5 by 5 = 25 by 1= 25 -1=24

[Doozer]

doozer that equals zero!
just like the marks u will get!

explain how it equals 0

[monster_monster]

well done mm part (a) and (b) sr71 and few others good attempts, still no escorts, abby where are ya