Answer:
see step by step
Step-by-step explanation:
sqrt 49
sqrt 64
sqrt 81
sqrt 100
perfect squares are always rational numbers because when solving any of these square roots they make whole numbers.
52.64°
sin x = 31/39
x = (31/39)
x = 52.64°
3/7*5/6
cross out 3 and 6
divide by 3
3/3= 1
6/3= 2
1/7*5/2
mutiply the denominators together
7*2= 14
mutiply the numerators together
1*5= 5
5/14
converse..............
