A. 2.5 B. 0 C. -1.6, i think, this stuff was never really my forte ha
The answer is <span>B. 94
</span>
The perimeter of a circle is:
P = 2 π r
The distance from the center of the pool to the fence is actually a radius of the circle:
r = 15 ft
P = 2 * 3.14 * 15
P = 94.2 ft² ≈ 94 ft²
Answer:
the number A(t) of grams of salt in the tank at a time is <em>A(t)=150-110e-t/50</em>
Eighths and their multiples are common fractions which I recommend memorizing, but to actually solve this, you use the literal meaning of a fraction and divide 5 by 8. See the long-division below (it was surprisingly difficult to type, so I hope it helps!).
To round 0.625 to the nearest hundredth, we go to the second decimal place, which is 5, so we round up to 0.63.