2007-05-10 15:09:07 · 3 answers · asked by Harshil 2 in Science & Mathematics ➔ Mathematics
sqrt(245)=sqrt(5*49)=7sqrt(5)
sqrt(320)+sqrt(500)=sqrt(5*64)+sqrt(5*100)
=8sqrt(5)+10sqrt(5)=18sqrt(5)
2007-05-10 15:15:13 · answer #1 · answered by bruinfan 7 · 1⤊ 0⤋
sqrt of 49 x sqrt of 5=sqrtof 245
sqrt of 64 x sqrt of 5= sqrt of 320
sqrt of 100 x sqrt of 5= sqrt of 500
7 sqrt of 5 +8 sqrt of 5+10 sqrt of 5=
25 x sqrtof 5 -- answer
2007-05-10 16:10:23 · answer #2 · answered by Dave aka Spider Monkey 7 · 0⤊ 0⤋
the answer is 25 times sqrt5
sqrt245= sqrt49 times sqrt5 =7 times sqrt5
sqrt320 = sqrt64 times sqrt5 = 8 times sqrt5
sqrt500 = sqrt100 times sqrt5 = 10 times sqrt5
answer = (7+8+10) times sqrt5
thus, 25 times sqrt5
trust me, i know this is the correct answer!
2007-05-10 15:22:03 · answer #3 · answered by the.dibster 2 · 0⤊ 0⤋