Marco's equation is correct. Cosine is an even function, which means that for every x, f(-x) = f(x). In other words, you get the same answer for a negative value that you would for its corresponding positive value.
Answer:
40 feet
Step-by-step explanation:
24^2+32^2=x^2
solve for x
x=40 feet
Answer:
3/40 hours
Step-by-step explanation:
Answer:
2.5%
Step-by-step explanation:
After 10.4 ounces, the number of adults goes down drastically. The rest of the options are 47.5%, 95% and 97.5%, which are not the answers. Hence, the answer is 2.5%.
= 
The 2 right triangles are similar and so the ratios of corresponding sides are equal
The corresponding sides are x and 2, 6 and 1.5, hence
= 