Answer:
Step-by-step explanation:
What is known....AC=75 AB=4 times BC AB+BC=AC
4(BC)+BC=75 Add like numbers
4(BC)+BC=5BC
5(BC)=75 get the variable(BC) alone by dividing both sides by the number(5)
5(BC)/5=75/5 Then simplify....5(BC)/5=(BC) and 75/7=15
(BC)=15
Answer: The answer would be 3i
Step-by-step explanation: Absolute value is the magnitude of the real number meaning -3=3 or 3=3.
Answer:
8
Step-by-step explanation:
Step-by-step explanation:
![7-(5-4x)](https://tex.z-dn.net/?f=7-%285-4x%29%3C2%283x%2B8%29%5C%5C7-5%2B4x%3C6x%2B16%5C%5C2%2B4x%3C6x%2B16%5C%5C2-2x%3C16%5C%5C-2x%3C14%5C%5Cx%3E-7%5C%5C%28-7%2C%5Cinfty%29)