Question

Answer these questions... Plzzzzz.. Fasttt.. ​

Answer 1

Step-by-step explanation:

[18]3√5+√125=3√5+5√5=8√5=17.88

so,√5=17.88/8=2.235

so,√80+6√5=10√5=10(2.235)=22.35

[19]√0.04×0.4×a=0.4×0.04×√b

squaring on both sides,

0.04×0.4×a=(0.4)^2×(0.04)^2×b

a/b=0.4×0.04=0.016

[20]√(144+X)/144=(√144+X)/12=13/12

we get,

√(144+X)=13

squaring on both sides,

144+X=169

x=25

Answer 2

Answer:

1.. 22.36

2. 0.016

3.. 25

hiiii mate here is ur solution

hope it's helpful