Answer:
Step-by-step explanation:
geometric progresion formula:
![a_n=a_1*r^{n-1}\\a_1=0.5\\r=10\\a_n=0.5*10^{n-1}](https://tex.z-dn.net/?f=a_n%3Da_1%2Ar%5E%7Bn-1%7D%5C%5Ca_1%3D0.5%5C%5Cr%3D10%5C%5Ca_n%3D0.5%2A10%5E%7Bn-1%7D)
Answer:
D. 16 ft
Step-by-step explanation:
h = √20² - (24/2)² = √400-144 = √256 = 16
Answer:
Numeric expressions apply operations to numbers. For example, 2(3 + 8) is a numeric expression. Algebraic expressions include at least one variable and at least one operation (addition, subtraction, multiplication, division). For example, 2(x + 8y) is an algebraic expression.
Step-by-step explanation: