Answer:
7√3
Step-by-step explanation:
Pythagorean Theorem
a² + b² = c²
7² + b² = 14²
b² = 14² - 7²
b² = 196 - 49
b = √147
<u>Step 1: Determine side AC</u>
→
<u>Step 2: Subtract 49 from both sides</u>
<u>Step 3: Square root both sides</u>
Both pass there all higher the 50%
local calls per 1 long distance call.
Local calls
Long distance calls
For 20 long distance calls local call
46 in
3x12=36+10=46