Answer:
√3/10 = 0.1732
Step-by-step explanation:
√15 / 5√20 = (√5 x √3) / 5(√5 x √4) = √3 / (5 x√4) = √3 / 10
Answer:
| -3 | = 3
Step-by-step explanation:
minus is removed
Answer:

Step-by-step explanation:
subtract 3 from both sides


divide each term by 6


simplify

Answer:
x is 55 and the perimeter is 120
Step-by-step explanation:
55+55 is 110 and 5+5 is 10 so that all adds up to 120
No the side’s are different