Answer:
Because:
30.5^2+73.2^2=79.3^2
=> Right triangle
=> Cos0 = 73.2/79.3 => A
Step-by-step explanation:
Answer:
x = 10
Step-by-step explanation:
y = 2x + 1
21 = 2x + 1
21 - 1 = 2x
2x = 20
x = 10
Answer: 60°
Step-by-step explanation:
- the two angles created by CD and EF are vertical angles so they are equal
- one angle is 30° so the other one is 30° and it splits an existing 90° angle so 90-30 = 60 so x is 60°
hope this helps :)
Answer:
A.) Buildings became taller and more detailed
Step-by-step explanation:
Hello there!
Based on my research and information, I really believe that (option a) would actually be your correct answer. I believe this basically because sense the letter k is always constant, we would only divide this by what it is, which is y, and from these, your solution would always look like your (option a). Please inform if correct.
Happy to help!
