Answer:
The answer is -1.25
Hope that helps. x
Step-by-step explanation:
To find percent decrease and increase you must subtract the original value (old value) with the new value. Then divide the value you get by the original value and multiply by 100:
165-158 = 7
7÷ 165 × 100 = 4.2424....% or 4.2% rounded to 2 significant figures.
Answer:
y = -4x + 7
Step-by-step explanation:
Plug in the values into y = mx + b
To find the volume of the tube you will use the formula for finding the volume of a cylinder.
V = pi x r^2 x h
3.14 x 0.5^2 x 21
V = 16.485 cubic inches
The approximate volume of the tube is 16.49 cubic inches.
