Answer:
x=-5
Step-by-step explanation:
25 - 3x = 40
-3x + 25 =40
-3x +25--25=40-25
-3x=15
-3x÷-3=25÷-3
x=-5
Answer:
x = 84°
Step-by-step explanation:
The inscribed angle x is half the measure of the intercepted arc, that is
x = 0.5 × 168° = 84°
What you can do is start with the key details in it... the main ones are that the bacteria grows every 30 minutes, you start with 1 bacteria, and the end time is 180 minutes. Basically you know that 3 goes into 18 6 times so 30 goes into 180 6 times which means that if you started with 1 bacteria you will end up with 7. Understand?
43.9 + n = 49.65
43.9-43.9 + n = 49.65 -43.9
n = 5.75
