Question

PLEASE ANSWER MY QUESTION ​

Answer 1

Answer:

a) 15.412

b) 11.18/8

Step-by-step explanation:

1) √72 + √48

=√2 x 2 x 2 x 3 x 3 + √2 x 2 x 2 x 2 x 3

= √2 x 2 x 3 x 3 x 2 + √2 x 2 x 2 x 2 x 3

= 2 x 3 √ 2 + 2 x 2 √ 3

= 6√2 + 4√3

= 6 x 1.414 + 4 x 1.732

= 8.484 + 6.982

= 15.412

2)√125/64

= √125 / √64

= √ 5 x 5 x 5 / √ 8 x 8

= √ 5 x 5 x 5 / √ 8 x 8

= 5√5 / 8

= 5 x 2.236 / 8

= 11.18 / 8

Answer 2

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