If necessary, write in simplest radical form
1 answer:
Answer:
2*sqrt(5)
Step-by-step explanation:
By using Pythagoras theorem, we have
4^2+2^2=(the third side)^2
16+4=(the third side)^2
Third side=sqrt(20)=2*sqrt(5)
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16. (x-5)(x+4) = x^2-x-20
17. 2x>7 = x=3.5
18. -4
Answer: $120
Step-by-step explanation: 30% off of 120 is 84
The radius of <span>(x^2−6x)+(y^2−10y)=−18
is 4
</span>
Simplify 
, 84 ÷ 12 = 7, so, as a unit fraction equals; 
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