Answer:
Step-by-step explanation:
The temperature change that occurred was -21 - - 3 = - 18 degrees
This occurred in 6 hours.
-18/6 = - 3
So each hour during the six hours the temperature went down 3 degrees.
- 3
- 6 the first hour
-9 the second hour
-12 the third hour
-15 the fourth hour
-18 the fifth hour
-21 the sixth hour
Answer is after 20 miles
10 +2.5x = 3x
10 = 3x-2.5x
10=0.5x
10/.5=x
x=20
At 20 miles they both have a cost of 60
12,288
aₙ = 3 (-2)ⁿ⁻¹
a₁₃ = 3 (-2)¹³⁻¹
a₁₃ = 12,288
y)(x 2) salamat po sana maka tulong
j=49