Answer:
no, its not
Step-by-step explanation:
it does not have an angle of 90°
It is a scalene triangle
The inequality should be

The sign on the right is only a 'smaller than' sign because he spent less than 180.
On the left, assuming that even if Calvin took nobody (poor Calvin), we should assume that he at least went himself, hence he spent a minimum of $12.
Answer:
d = 18, c = 56.55
Step-by-step explanation:
Solution
d=2r=2·9=18
C=2πr=2·π·9≈56.54867
After 4 hours, his body will have processed 28% because 7*4 = 28. But, you're trying to find what's left (so, subtract that % from 100)
100%-28% = 72%
Then multiply the percent left by the total number of milligrams of caffeine
130*.72 = 93.6 mg
Answer:
x:16
this is related to the Pythagorean theorem