Answer:
Square each side
Subtract 1 from each side
Divide by 3
Step-by-step explanation:
sqrt(3x+1) = 4
Square each side
(sqrt(3x+1))^2 = 4^2
3x+1 = 16
Subtract 1 from each side
3x+1-1 = 16-1
3x= 15
Divide by 3
3x/3 = 15/3
x = 5
30 + 70 + D = 180
100 + D = 180
D = 80°
Answer:
500 g = 0.5 kg
Step-by-step explanation:
1 kg = 1000 g
500 g = 0.5 kg
∡1 = 180° - 30°
<h2><u>∡1 = 150°</u></h2>
Answer:
18
Step-by-step explanation:
