5 ÷ 1/2 => 5 x 2/1 => 10/1 => 10
Answer:
x = 19.6
Step-by-step explanation:
By applying cosine rule in ΔBCD,
cos(30)° = 
= 

BC = 
Now, by applying sine rule in ΔBAC,
sin(45)° = 


x = 
x = 19.59
x ≈ 19.6
17 miles / 5 mph = 3.4 hours
22miles / 7 mph = 3.14 hours
No would arrive before yes
Answer:
B Survey a random sample of eighth-grade students
Step-by-step explanation:
In order to reach the best conclusion without biased data, the best sampling method would be B because not only does it survey 8th graders, but it also surveys a random group, ensuring that not all of the students are potentially excelling in and/or having trouble with homework.
No don’t stab yourself! But I really hope someone helps you with this, I would but I just don’t understand sorry