Answer:
Step-by-step explanation:
the circumference is : 2pi r= 2×3.14×4 = 25.2 ....
2x+6=x-3
if you also need the answer it's x=-9
The amount of the element remaining (y) in grams after time (t) in minutes is defined by the equation y=970(1-.151)^t. Substitute t=14 into the equation and solve for y. y=970(.849)^14=98.06 rounded to two decimal places.