Answer:
25
Step-by-step explanation:
The increments are 0.4, and the width of the interval is 10, so the number of increments (the number of times you need to use Euler's method) is:
10 / 0.4 = 25
Answer:
30.285 m²
Step-by-step explanation:
C = 2πr
2 · π · 2
≈ 12.57
12.57 ÷ 2 = 6.285
10 - 2 = 8
8 · 4 ÷ 2
32 ÷ 2
16
2 · 4 = 8
6.285 + 8 + 16
30.285
-.1666667
You can use khan academy or Socratic if you still not sure.
Answer:
x=17
Step-by-step explanation:
VS is a straight line so it equals 180 degrees
The arc with be 180 degrees
VR + RS = 180
45+ 6x+33 = 180
Combine like terms
78+ 6x = 180
Subtract 78 from each side
78+6x-78 = 180-78
6x = 102
Divide each side by 6
6x/6 = 102/6
x =17
It's known that Speed = Distance/Time. The truck can cover the distance of 145 miles in 2.5 hours. So its speed is 145/2.5 = 58 mi/hr. The speed of the car is 1.5 faster than the speed of the track. So the speed of the car is 58*1.5 = 87 mi/hr.
Let t = amount of time, in hours, it takes them to meet.
The distance that the truck travels in t hours would be 58t miles.
The distance that the car travels in t hours would be 87t miles.
In total they cover the whole distance when they meet. So we get
58t + 87t = 145
145t = 145
Divide both sides by 145:
t = 1
Thus it takes them 1 hour to meet.
