Answer:
current speed = 12 mph
Step-by-step explanation:
distance / rate = time
time upstream + time downstream = 26
25 / (13-c) + 25 / (13+c) = 26 ( c = current speed)
solve for c = 12 mi/hr
Ans:6300
Explanation: Estimating the value of 6296+0
Round up the number 6296 to 6300.
6300+0
Round up the number 0 to 0.
6300+0
Add 0 to 6300.
6300
6296+0≈6300
The Estimated Value of 6296+0 is 6300.
Answer:
Since Tracy is charged $29 for 250 free minutes so:
For x ≤ 250, f(x) = $29
tracy is charged an extra $0.35 per minute for calls over 250 minutes, so:
For x ≥ 250, f(x) = 29 + 0.35(x - 250)
Answer:
-4 degrees Fahrenheit
Step-by-step explanation:
(-17 +8 + -9 + -11 +12 + -13 +2) / 7 = -4