Answer:
19.2 in
Step-by-step explanation:
Set up a proportion to solve this...
4 inches is to 25 miles as x inches is to 120 miles
4/25 = x/120 now cross multiply to and solve for x
480 = 25x
480/25 = x
19.2 = x
This is a 3 to 2 ratio. So in this case you need 180g
Answer:
B. 4
Step-by-step explanation:
cos(45°) = x/4√2
√2/2 = x/4√2
x = 4√2•√2/2
x = 4