Answer:-9
Step-by-step explanation:
71-62=9
62-53=9
53-44=9
It is negative because the numbers are decreasing
Answer:
178
Step-by-step explanation:
Use Pythagorean Theorem to find the Hypotenuse
30^2+72^2=78^2
Use perimeter formula
a+b+c
38+72+30
Step-by-step explanation:
f(x) = 9 * 81^x
When x = -1/2,
f(-1/2) = 9 * 81^(-1/2) = 9 * (1/9) = 1.
Here's an explanation! :)
Answer:
La suma de los ángulos complementarios es 90 °
Step-by-step explanation:
