When using graphs to find proportional and nonproportional is easy. When it's proportional it goes right through the origin and it's nonproportional it doesn't go through the origin.
As 7 is above 5 so we round up 4 to 5. So the answer is 500 bcos the place where the number 4 is, is the hundredth place.
Answer:
The common difference is -3.
Step-by-step explanation:
You can simply find it by taking the difference of two numbers that are side by side.
Example: 35 - 32 = 3
Since it is decreasing though, it would be negative.
Answer:
≈ 38.64 units
Step-by-step explanation:
The length of arc s is calculated as
circumference of circle × fraction of circle
The central angle subtended by arc s is 360° - 114° = 246° then
arc s = 2πr × 
= 2π × 9 × 
= 18π ×
≈ 38.64 ( to 2 dec. places )
Answer:
temp after 7 minutes is 135°
temp after 't' minutes: y = 65 + 10t
Step-by-step explanation:
