Answer:
x=16
Step-by-step explanation:
cos60 = 1/2
from figure
cos60 = 8/x
1/2 = 8/x
x= 8 * 2
x=16
Answer: 3.5a+5b=470 and a+b=115
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Adding positively to an x moves it right, and negative moves left. Adding to a y moves it up, and subtracting moves it down.
Answer:
5 in^2.
Step-by-step explanation:
Volume = area of the base * height
30 = area of the base * 6
area of the base = 30/6 = 5 in^2.
Answer:
See below:
Step-by-step explanation:
If we do this, we know that 2 gallons takes 14 seconds. (2:14)
Based on that data, we can know that 1 gallon takes 7 seconds. (1:7)
-> 2/14 = 1/7
Now we can multiply by 12 to get 12 gallons on one side.
What we do on one side has to happen to the other side.
So, 12 gallons * 1 gallons = 12 gallons and 12 gallons * 7 gallons = 84 gallons.
So the final answer is 85 gallons,