Question

simplify following
a) √45 + 3√20
b) (√5+2) (√5-2)
c) 6√2 ÷ 3√2
d) (3-2√2)​

Answer 1

Step-by-step explanation:

The sphere of 6cm diameter has been melted into a wire with a radius of 0.2cm.

a) 6cm

b) 700cm

c) 900cm

d) 450cm

please answer to this question with an explanation

Answer 2

Answer:

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